Robot 2010 Training Manual Metric Tiengviet

8/3/2019 Robot 2010 Training Manual Metric Tiengviet

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Autodesk Robot Structural Analysis Professional 2010 page:1

Autodesk Robot Structural

Analysis Professional 2010

Training Manual - Metric Version

NOVEMBER 2009


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page:2 Autodesk Robot Structural Analysis Professional 2010

Ngi dch: CAO TRUNG THNH

a ch: 52XD8 Trng i Hc Xy Dng.

Ps: trong qu trnh dch do vn Ting Anh hn ch cng s eo hp v t ng chuyn ngnh mongcc bn c ti liu thng cm


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THNG TIN TNG QUAN ..................................................................................................................................5

CI T V THIT LP .................................................................................................................................5LA CHN LAYOUT .......................................................................................................................................6THUC TNH MENU ........................................................................................................................................6BNG D LIU V KT QU ........................................................................................................................7CI T TRUY BT IM .............................................................................................................................7

HIN TH KCH THC KT CU ................................................................................................................8KIM TRA I TNG ..................................................................................................................................8

1. THIT K B TNG CT THP KHUNG 2D .......... ............. ............. ............ ............. ........... ........9

1.1 NH NGHA M HNH ...........................................................................................................................101.1.1 nh ngha phn t ...............................................................................................................................111.1.2 nh ngha th vin kt cu ..................................................................................................................121.1.3 nh ngha gi ........... ............. ............ ............. ........... ............. ............. ............ ........... ............. ......141.1.4 nh ngha cc trng hp ti ..............................................................................................................141.1.5 nh ngha ti trng cc trng hp ti ...............................................................................................15

1.2 PHN TCH KT CU ..............................................................................................................................161.3 PHN TCH KT QU ..............................................................................................................................171.4 THIT K DM BTCT ..............................................................................................................................181.5 THIT K CT BTCT ...............................................................................................................................19

1.6 THIT K NHIU PHN T BTCT .........................................................................................................212. THIT K THP KHUNG 2D ............ ............. ........... ............. ............. ............ ............. ........... ......23

2.1 NH NGHA M HNH ...........................................................................................................................242.2 NH NGHA CC TRNG HP TI V TI TRNG ........... ............ ............. ........... ............. ..........252.3 NH NGHA TI TRNG DO TUYT/GI ...........................................................................................262.4 PHN TCH KT CU ..............................................................................................................................272.5 PHN TCH CHI TIT ..............................................................................................................................272.6 PHN TCH TON B .............................................................................................................................282.7 THIT K THP ........................................................................................................................................292.8 B TR BN IN .........................................................................................................................................32

3. PHN TCH N HI-DO................... ............. ............ ............. ........... ............. ............ ............. ...34

3.1 NH NGHA M HNH ............ ............. ........... ............. ............ ............. ........... ............. ............ ............34

3.1.1 CHN TIU CHUN ...........................................................................................................................343.1.2 nh ngha h trc kt cu ....................................................................................................................353.1.3 nh ngha phn t ...............................................................................................................................363.1.4 nh ngha th vin kt cu ..................................................................................................................383.1.5 Thm nt ph ........................................................................................................................................393.1.6 nh ngha gi trn thanh ........... ............. ............ ............ ............ ............. ............ ............. ........... ..393.1.7 nh ngha gi .................................................................................................................................403.1.8 nh ngha khim khuyt hnh hc ........................................................................................................403.1.9 nh ngha cc trng hp ti ..............................................................................................................413.1.10 nh ngha ti trng cc trng hp ti.............. ........... ............. ............. ............ ............. ........... ......413.1.11 S pht sinh ti trng tuyt/gi ...........................................................................................................423.1.12 T ng to t hp ti trng tiu chun ........... ............. ............. ............ ........... ............. ............. .......42

3.2 PHN TCH KT CU V KIM TRA KT QU ............ ............. ........... ............ ............. ............. .......423.3 PHN TCH N HI- DO ........... ............ ............. ........... ............. ............. ............ ............. ........... ......43

3.3.1 Thay i nh ngha cc trng hp ti ................................................................................................433.3.2 Phn tch kt cu ........... ............ ............. ........... ............. ............. ............ ........... ............. ............. .......443.3.3 Thay i tit din thanh cho phn tch n hi-do ........... ............. ............. ............ ............. ........... ......443.3.4 Phn tch kt cu v kim tra kt qu ............. ............. ............ ............. ........... ............. ............. ...........45

4. TI TRNG DI CHUYN KHUNG 2D ............ ........... ............. ............. ............ ............. ........... ......46

4.1 NH NGHA M HNH ...........................................................................................................................474.1.1 nh ngha phn t ...............................................................................................................................474.1.2 nh ngha th vin kt cu (1 mi v 1 dm cu trc di chuyn bn trn) ............ ........... ............. ......484.1.3 nh ngha gi .................................................................................................................................504.1.4 nh ngha ti trng kt cu .................................................................................................................514.1.5 nh ngha ti trng di chuyn p dng cho kt cu ........... ........... ............. ............. ............ ............. ...52

4.2 PHN TCH KT CU ........... ........... ............. ............. ............ ........... ............. ............. ............ ............. ...54


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4.3 BIU DIN XE V TRNG HP TI TRNG DI CHUYN ............. ........... ............. ............ ............544.4 KT QU PHN TCH ........... ........... ............. ............ ............. ........... ............. ............. ............ ............. ...554.5 NG NH HNG ............ ............ ............. ............ ............ ............ ............. ............ ............ ............ ..57

5. TI TRNG DI CHUYN KHUNG 3D ............ ........... ............. ............. ............ ............. ........... ......59

5.1 NH NGHA M HNH ............ ............. ........... ............. ............ ............. ........... ............. ............ ............605.2 PHN TCH KT CU ........... ........... ............. ............ ............. ........... ............. ............. ............ ............. ...715.3 THIT K THP ............ ............. ........... ............. ............. ............ ............. ........... ............. ............ ............73

5.4 NG NH HNG ............ ............ ............. ............ ............ ............ ............. ............ ............ ............ ..776. KT CU THP 3D VI MI NI THP ........... ............ ........... ............. ............. ............ ............. ...79

6.1 NH NGHA M HNH ............ ............. ........... ............. ............ ............. ........... ............. ............ ............796.2 PHN TCH KT CU ........... ........... ............. ............ ............. ........... ............. ............. ............ ............. ...846.3 KT QU PHN TCH ........... ........... ............. ............ ............. ........... ............. ............. ............ ............. ...846.4 THIT K THP ............. ............ ........... ............. ............. ............ ............. ........... ............. ............ ............856.5 THIT K MI NI THP ........... ............ ............. ........... ............. ............ ............. ........... ............. ..........86

7. KHUNG THP 3D DNG KHI ............. ............ ........... ............. ............. ............ ............. ........... ......88

7.1 NH NGHA M HNH ............ ............. ........... ............. ............ ............. ........... ............. ............ ............897.2 TNH TON V KT QU PHN TCH .................................................................................................95

8. NH NGHA V PHN TCH 1 SN B TNG ........... ........... ............. ............. ............ ............. ...98

8.1 NH NGHA M HNH ...........................................................................................................................988.1.1 nh ngha ng bao ..........................................................................................................................988.1.2 nh ngha li chia ........... ............. ............. ............ ............ ............ ............. ............ ............ ............ ..998.1.3 Thuc tnh ca sn ............. ........... ............. ............ ............. ........... ............. ............. ............ ............. ...998.1.4 nh ngha tm v l m.............. ............ ............. ........... ............. ............. ............ ............. ........... ... 1008.1.5 nh ngha gi ........... ............. ............ ............. ........... ............. ............. ............ ............. ........... ... 1008.1.6 nh ngha cc trng hp ti .......... ............. ............. ............ ............. ........... ............. ............ ......... 1028.1.7 nh ngha ti trng cho cc trng hp ti ........... ............. ............. ........... ............. ............ ............. 1028.1.8 Hin th cc trng hp ti trng ............ ............. ........... ............. ............. ............ ............. ........... ... 104

8.2 PHN TCH KT CU/KT QU (DNG BN TRN TM CT ).............. ............. ............. .... 1058.3 TNH TON DIN TCH THP YU CU (L THUYT) ............. ........... ............ ............. ............. .... 1088.4. TNH TON DIN TCH THP CUNG CP ( THC) ........................................................................ 110

9. KT CU KHI RN 3D ........... ............. ............ ........... ............. ............. ............ ............. ........... ... 112

9.1 NH NGHA M HNH ........................................................................................................................ 1149.2 PHN TCH KT CU ........................................................................................................................... 1279.3 BIU DIN KT QU DI DNG BN ............ ............ ............ ............. ............ ............ ........... 127

10. KT CU V ............. ............ ............ ............ ............. ............. ............ ............ ............ ............. .... 129

10.1 THNG CHA ............. ............ ........... ............. ............. ............ ............. ........... ............. ............ ......... 12910.2 THNG LNH ............ ............ ............ ............. ............ ............ ............ ............. ............ ............. .......... 13410.3 NG DN ............ ............. ............ ............ ............ ............. ............. ............ ........... ............. ............. .... 13610.4 KT CU I XNG TRC .......... ............. ............. ............ ........... ............. ............. ............ ............. 140

11. NG CU 1 NHP 3D VI TI TRNG DI CHUYN ............ ............. ........... ............. ....... 145

11.1 NH NGHA M HNH ...................................................................................................................... 14711.1.1 nh ngha hnh hc kt cu ............................................................................................................ 14711.1.2 nh ngha ti trng ............ ........... ............. ............. ............ ............. ........... ............. ............ ......... 152

11.1.3 nh ngha ti trng di chuyn p dng cho sn cu ............... ............ ............. ........... ............. ....... 15611.2 PHN TCH KT CU ......................................................................................................................... 15911.2.1 Biu din kt qu di dng bn ................................................................................................. 160

11.3 THIT K B PHN KT CU .......................................................................................................... 16111.3.1 Thit k thp .................................................................................................................................... 162

11.4 PHN TCH TI TRNG P NG THEO THI GIAN ............. ........... ............ ............. ............. .... 169

12. NH NGHA TIT DIN ............ ........... ............. ............ ............. ........... ............. ............. ........ 174

12.1 TIT DIN KHI ........... ............. ............ ............. ........... ............. ............ ............. ........... ............. ....... 17412.2 TIT DIN THNH MNG ........... ............. ............ ........... ............. ............. ............ ............. ........... ... 176


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Thng tin chung

Setup and Preferences

Preferences c hin th t menu Tools > Preferences. y c nhm thnh nhng ci t chungti ty bin giao din ngi dng v nh ngha cch lm vic ca chng trnh. y bn c th chnngn ng lm vic( ngn ng ca giao din), ci t vng ( tiu chun,d liu) v ngn ng in n. Ttc chng c ci t c lp, bi vy bn c th lm vic vi 1 ngn ng( chn t 10 ci hin th) theo

l tiu chun v ti liu in n 1 ngn ng khc.Cng trong Preferences, bn c th thay i hin th cc phn t ring l bng cch s dng nhngmu nh ngha sn hay do chnh bn to ra.

Trc khi bt u nh ngha kt cu, bn nn ci t ngn ng lm vic v tiu chun p dng trongd n nh hnh bn di:

Xc nhn thao tc bng cch n nt, v sau chn t menu chnh Tools / Job Preferences. Ci ttiu chun v tc ng nh hnh bn di:

Job Preferences c nhm trong 6 mc: units, materials, databases, design codes, structureanalysis and work parameters.Autodesk Robot Structural Analysis Professional bao gm hn 60 d liu tit din v vt liu t khpni trn th gii. Vi 1 chui 70 tiu chun thit k c a vo, k s kt cu c th lm vic vi hnhdng tit din ca quc gia chn la, n v Inch hay mt, v chn tiu chun xy dng quc gia bntrong cng vi cch tch hp.


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Chn la Layout

iu ny l cn thit chn la layout thch hp trong tin trnh nh ngha kt cu. Layouts c truy cp

bng cc click hp danh sch trn nh gc bn phi ca mn hnh chnh ci m danh sch layout biu din

trong hnh bn di :

Menu ng cnh

Khi lm vic trong mn hnh ha, 1 menu ng cnh c th kch hot ( nh hnh di) bng cch nnt chut phi.

Menu cho php thc hin nhiu hu ch ( v s dng thng xuyn) tin trnh khi chng trnh thchin trc y c ra lnh.


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Bng d liu v kt qu

Kch thc kt cu c th c hiu chnh bi bng cng c thch hp. Bng thch hp vi layout hinhnh hin th khi chn layout. Trong cch sp xp c th thc hin hiu chnh tng th tin trnh, nns dng la chn View menu / Tables t menu chnh. S xut hin hp thoi Tables: Data andResults.

Trong hp thoi ny, nn tch vo du hng mc yu cu v n nt OK. 1 bng cha d liu s cto ra cho mi hng mc chn. Ln na tab Edit c kch hot trong gc tri bn di ca 1 bng cho, ngi s dng c th thc hin hiu chnh kch thc kt cu.

Ci t bt im

Hp thoi Snap Settings hin th khi n biu tng ( biu tng u tin c b tr di gcbn tri mn hnh).


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Hin th kch thc kt cu

Hp thoi Displaym khi n biu tng (biu tng th ba gc di cng bn tri mn hnh)nh hnh di.

Tab hin th cho php truy cp d liu trn kch thc kt. La chn ny cng hin th t menuchnh bng cch chn lnh View menu / Display.

Kim tra i tng

Object Inspector c b tr dc bn tri giao din ngi dng. S dng cng c ny ngi dng c th: Trnh by ni dung d n trong 1 cch c trt t Chn phn t ci s thc hin trn lnh c chn Trnh by v hiu chnh thuc tnh i tng d n ( c hai phn t n l v ton b itng ) Lc mu phn t To v qun l ti liu ca d n

Object Inspector cha 1 vi ch phn t c trng. Tabs chn nhng ch nm dc bn di hpthoi.

Object Inspector (tabs: Geometry and Groups)

Steel Connection Inspector

RC Component Inspector

Inspector - Preparation of Results


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Ch : Trong v d bn di theo nguyn tc gi nh xc nh chn la caim bt u v cui ca kt cu thanh:V d, (0,0,6) (8,0,6) ngha l 1 thanh bt u b tr ti nt vi ta nh sau x =

0.0, y = 0.0 and z = 6.0 and im cui ca thanh ti nt vi ta nh sau x = 8.0, y= 0.0 and z = 6.0. Du phn cch ( ci t trong h iu hnh ) ring r vi ta ni tip bng cch s dng 1 du phy , gia gi tr..

1. Thit k b tng ct thp - khung 2DV d ny a ra cch nh ngha, phn tch v thit k 1 khung 2D n gin minh ha trong hnhbn di. Khung c to bi khung BTCT v gin to bi cch s dng th vin kt cu inhnh trong chng trnh RSAP.

n v d liu: (m) v (kN).

4 trong 5 trng hp ti trng p dng cho kt cu c hin th trong bn v bn di.

LOAD CASE 2 LOAD CASE 3


Nhng nguyn tc sau y s c p dng trong sut qu trnh nh ngha kt: bt k k t biu tng no ngha l biu tng thch hp s c n vi nt chut tri ( x ) c gi tr c chn l x trong hp thoi hoc nhp gi tr x LMC v RMC - nhng ch vit tt cho Click chut tri v Click chut phi. RSAP - vit tt cho Autodesk Robot Structural Analysis Professional.

nh ngha kt cu bt u chy chng trnh RSAP( n vo biu tng thch hp hoc chn lnh ttaskbar). Ca s ha s xut hin.

Chn icon trong hng u 2D Frame Design).

Ch : D liu tit din Chu u c s dng trong v d ny.


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1.1 nh ngha m hnh

QU TRNH THC HIN

Chn icon Axis Definition tthanh cng c kt cu.Trn tab X:Position: (0)Number of repetitions: (4)Distance: (6)

Numbering: (1, 2, 3 ...)

LMC trn nt Insert

LMC trn tab Z

Trn tab Z:Position: (0)Number of Repetitions: (3)Distance: (3)

Numbering: (A, B, C ...)

LMC nt Insert

Apply, Close

MIU T

Bt u nh ngha trc kt cu. Hp thoi StructuralAxis xut hin trn mn hnh.

nh ngha kch thc phng ng.

Trc ng c nh ngha v s hin th trn Set ofCreated Axis field.

Bt u nh ngha kch thc phng ngang.

nh ngha kch thc phng ngang.

Trc ngang c nh ngha v s xut hin trong Set OfCreated Axes field.

To xong trc cu kin v ng hp thoi StructuralAxes.H trc kt cu s xut hin trn mn hnh nh hnh di.


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1.1.1 nh ngha cc thnh phn

Chn Bar Section icon tthanh cng c m hnh kt.

Chn New Section

Definition icon.

LMC vo I family icon,chn (HEB) t danh sch Family,v chn (HED 240) t danh schtit dinAdd

LMC trong Section Type field ( gcdi bn phi thoaitt v chn RCbeam.Trong nhn Label enter B 45x60.

Di Basic Dimensions, g vo b =(45) cm, h = (60) cmAdd, Close

Close

Chn Bars icon t thanh cngc m hnh kt cu

LMC vo Bar type field v chn RCcolumnLMC vo Section field v chn loi:(C 45x45)

LMC vo Beginning( mu nn thay i thnh xanh)

Nhp theo nhng im trongBeginningv End.Beginning: (0,0) End: (0,3), AddBeginning; (0,3) End: (0,6), Add

RMC bn trong vng hin th vchn lnh Select t menu ngcnh

CTRL+A

Edit menu / Edit / Translate

LMC trn dX,dZ=: (6,0)LMC trn:Numbering Increment Nodes: (1)Numbering Increment Elements:(1)

M hp thoi Sections.

M hp thoi NewSection.

nh ngha tit din mi. Tit din t d liu tit dinChu u (European) c s dng.

nh ngha 1 tit din dm BTCT.

ng hp thoi Sections .

M hp thoi Bars.

Chn thuc tnh ca thanh.

Bt u v thanh kt cu ( Ct kt cu).

Xc nh v tr 2 thanh trn trc kt cu s 1.

M menu ng cnh v chn . Con chut s thay ihnh dng thnh bn tay.

Chn tt c thanh. ( Nh kch hot trc ca s mn

hnh.)

M hp thoi Translation.

nh ngha vecto chuyn v v s gia cho nt v thanh.


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LMC trn Number of repetitions:(4)

Execute, Close

LMC trn Bar type trong hpthoi Bars v chn RC beamLMC trn Section v chn

(B 45x60)

LMC trn Beginning( mu nn thay i thnh xanh)

Beginning: (0,3) End: (6,3), AddBeginning: (6,3) End: (12,3), AddBeginning: (12,3) End: (18,3), AddBeginning: (18,3) End: (24,3), Add

Close

View menu / Display

LMC Bars tabTch la chn Section-Shape,Apply, OK

nh ngha s bc lp( s phn t sao chp) trong qutrnh di chuyn.

Ct c sao chp; ng hp thoi Translation.

Bt u nh ngha dm kt cu v chn thuc tnh chochng.

Bt u xc nh v tr thanh kt cu.

Xc nh v tr dm trn trc kt cu B.

ng hp thoi Bars .

M hp thoi Display.

La chn ny cho php hin th hnh dng tit nghiaxthanhkt cu c nh ngha. Thanh s c hin th trn mnhnh nh hnh di.

1.1.2 nh ngha th vin kt cu

View menu / Display M hp thoi Display

LMC Nodes tab La chn ny cho php hin th s nt ti im cui caChn Node numbers, mi thanh .

Apply, OK


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Chn Library Structure iconc b tr thanh cng c m hnhkt cu.

LMC (click p) vo icon

LMC vo Length L trnDimensionstab: (24)

LMC vo Height H: (3)

LMC vo Number of Fields:(12)

LMC vo the Sectionstab;Chn tt c thanh bin ( trn v di)gn (DCED 90x10) v ccthanh xin v ng gn (CAE

70x7)LMC vo Inserttab

LMC vo Insertion point , chnnt s 3 theo h ta : (0,0,6)

Apply, OK

View menu / Display

M hp thoi Typical Structures v bt u nh nghath vin kt cu.

Chn gin tam gic loi 1. Hp thoi Merge Structurexut hin v kch thc gin c th c xc nh.

Xc nh di gin (N cng c th xc nh bng thtrong vng hin th).

nh ngha chiu cao gin (N cng c th xc nh bng th trong vng hin th).Xc nh s bc chia ca gin.

Gn hnh dng thanh gin.

Xc nh nt bt u gin .

Xc nh ng v tr gin v ng hp thoi Mergestructure . Kt cu c xc nh xut hin nh hnhdi.

M hp thoi Display


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LMC Nodes tabTt la chn Node numbersLMC Structure tabTt la chn Structural axis,Apply, OK

Geometry menu / Releases

LMC vo Pinned-Fixed kiu giiphng lin kt

LMC vo Current selection, chuynsang vng hin th v ch vo ( dicon tr qua) thanh ng cao nhtca gin ( thanh gia nt 9 v 29)

Close

M hp thoi Releases.

Chn kiu gii phng lin kt s c gn cho thanhgin

Khi chn thanh; CH : mi tn xut hin sng trn thanhgin sau lc ch vo thanh mi tn hng ln trn( hngca lin kt gii phng c ngha: ti nt u tin khp cgn, ti nt cn li ngm c gn).

ng hp thoi Releases

1.1.3 nh ngha gi

Chn Supports icon t thanhcng c m hnh kt cu

LMC vo Current Selection trnNodaltab ( con chut s nhp nhytrong trng)

Chuyn sang vng hin th bngcch n nt chut tri; chn tt cnt di ct trong ca s

Trong hp thoi Supports chngi l ngm ( gi s c nnh)

Apply, Close

M hp thoi Supports

Chn nt kt cu ni gi c xc nh.

Chn nt: 1to13by3 s c nhp vo trng CurrentSelection.

Chn loi gi .

Chn loi gi c gn ti nt kt cu, ng hp thoiSupports

1.1.4 nh ngha cc trng hp ti

Chn Load Types icon tthanh cng c m hnh kt cu

LMC vo nt New

LMC vo Nature: (Live1)

LMC vo nt NewLMC vo nt New

LMC voNature: (Wind)

M hp thoi Load Types.

nh ngha dead load (self-weight) vi tn chun lDL1.

Chn loi ti t nhin: live.

nh ngha 2 trng hp ti live load vi tn chun lLL1 v LL2.

Chn loi ti t nhin: wind.


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LMC vo nt New nh ngha loi ti trng gi vi tn chun l WIND1.

LMC vo Nature: (Snow) Chn loi ti t nhin: snow.

LMC vo nt New, Close nh ngha loi ti trng tuyt vi tn chun l SN1V ng hp thoi Load Types.

1.1.5 nh ngha ti trng cho cc trng hp ti

Loads menu / Load Table

, Chn Restore Down icontrong gc trn cng bn phi bngview.B tr bng trong 1 phn di mnhnh nh 1 cch hiu chnh rng v hin th m hnh kt cu

LMC chn ti trng th 2 trong ctCase, chn trng hp ti 2nd LL1t danh sch

LMC trn ct Load Type, chnuniformload

LMC trn trng trong ct List,chn tt c dm b tng trn mnhnh hin th ( thanh 11to14)

LMC trn trng trong ct "PZ=" vnhp gi tr: (-40)

LMC trn trng tip theo trongct Case, chn trng hp ti 3rdLL2 t danh sch

LMC trn ct Load Type , chntrapezoidal load (2p)

LMC trn trng trong ct List, chnhin th trong vng ha nhp utin bn tri ca dm BT (thanh 11)

LMC trn trng trong ct"PZ1=" v nhp gi tr: (-20)LMC trong trng X2 v nhp gi tr:(1.0)LMC trn trng trong ct "PZ2="v nhp gi tr: (-25)

LMC trn trng k tip trong ctCase v chn trng hp ti 4thWIND1 t danh sch

Opens a table for loads acting in defined load cases.

Gim kch thc bng nh th c th hin th ti trng. (bn cng c th dng Windows/Align Windows sau khi cas ti trng thay i kch thc.)

Tnh ti ( hng -Z) t ng p dng cho tt c ktcu thanh

nh ngha ti trng cho trng hp ti th 2.

Chn loi ti trng.

Chn thanh gn ti trng uniform

Chn hng v gn gi tr ti trng uniform.

nh ngha ti trng trng hp ti th 3.

Chn loi ti trng.

Chn thanh s c gn ti trng trapezoidal(hnh thang)

Chn hng v gi tr ti trng trapezoidal



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LMC trn trng trong ct LoadType chn ti trng uniform

LMC trn trng trong ct List chnhin th trong vng giao din, chn ctbn tri ( thanh 1 v 2)

LMC trn trng trong ct "PX=" vnhp gi tr: (15)

LMC trn trng trong ct Casechn trng hp ti 5th SN1 t danhsch

LMC trn trng trong ct LoadType , chn nodal force nh 1 loiti trng

LMC trn trng trong ct List,chn hin th trong vng giao din

nt trn cng ca thanh cnh trn (

khng k nt gc)( nt 24to34)

LMC trn trng trong ct "FZ=" vnhp gi tr: (-25)

ng Load table

1.2 Phn tch kt cu

Tools menu / Job Preferences

Units and Formats / Other

Tng s ch s thp phn choDisplacement (chuyn v) ti 4

OK

Chn Calculations icon tthanh cng c m hnhResults menu / Diagrams for bars

Chn loi ti trng.

Chn thanh s gn ti trng uniform.

Chn hng v gi tr ti trng phn b u.


Chn loi ti trng.

Chn nt gn lc tp trung.

Chn hng v gi tr ti trng.

M hp thoi Job Preferences

Chn la ny cho php nh ngha s ch s thpphn sau du phy.

Tng s ch s thp phn cho chuyn v ti 4.

Chp nhn v ng hp thoi Job Preferences

Bt u tnh ton kt cu.


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1.3 Analysis Results

LMC Reactions table

T thanh cng c chn la , chn (2:LL1)

Chn My Moment trn tabNTMtrong hp thoi Diagrams

Apply

Tt la chn My Moment trong hpthoi Diagrams,Apply

Chn Displacements icon tthanh cng c m hnh kt cuLMC trn Global extremes tabtrong bngDisplacements

Hin th kt qu cho trng hp ti th 2.

Chn m men un My cho hin th.

Hin th s momen un trong thanh kt cu ( nhnnh bn v di). Trong cch tng t, s c tha ra gi tr khc t hp thoi Diagrams

M 1 bng cha chuyn v kt cu.

Hin th chuyn v ln nht v b nht t c trong ntkt cu ( nhn nh bn v di).


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LMC trn tab Values

RMC trn bng Displacements

Bng Columns

LMC trn tab General v chnCoordinates,nt OK

ng bng Displacements

Gi menu ng cnh.

Chn bng Columns v m hp thoi.

2 ct thm vo cha ta nt.

1.4 Thit k dm BTCT

CH : Tiu chun tnh ton thc hin theo EN 1992-1-1:2004 AC:2008.

RMC trn vng ha v chnSelect t menu ng cnh; chntt c dm BTCT t ca s mnhnh

Analysis menu / Design of RCStructure Elements / RC BeamDesign

Simple CasesOK

LMC ti khung nhn Beam -Section

Analysis / Calculation Options

Trn tab Concrete chn C25/30 ttrng NameTrn Longitudinal reinf. Khng

chn ng knh t 6 n 18 mmOK

Analysis / Reinforcement pattern

Chn dm thit k.

Chy modun ci cho php thit k. D liu trn dm cngvi kt qu phn tch tnh s c load ti modun ny.

Chn Simple Cases trong hp thoi Parameters of RCElements.

Chn khung nhn hin th tit din dm.

M hp thoi Calculation Options.

nh ngha kch thc BT v thp. ng hp thoiCalculation Options.

M hp thoi Reinforcement patern.


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Trn tab Shapes cho Longitudinalbars - Main thay i gi tr LeftandRight hookti 90.0OK

LMC trn hp chn layouts RSAP

programLayout: RC Beams / Beam - results

RC Beams / Beam - reinforcementLayout

Results menu / Drawings

RC Beams / Beam - Reinforcement

Results menu / Calculation NoteOK

ng cng c hiu chnh tnh ton

nh ngha kiu ct thp. ng hp thoiReinforcement patern

Mn hnh v bng xut hin kt qu c c.(s mt ct ngang lc gii hn khc nhau v s cho din tch ct tho dc chiu di dm).

CH : Thit k dm BTCT bt u 1 cch t ng.

Mn hnh v bng xut hin ct thp trong dm (nhn nhhnh v bn di).

Hin th 1 bn v ca dm u tin c thit k.

Quay li layout BEAM - REINFORCEMENT

M hp thoi Calculation Note ni ngi dng c thchn phn t tnh ton v bt u hiu chnh d liu vkt qu hin th trong dm .

1.5 Thit k ct BTCTCH : Tiu chun tnh ton c thc hin theo EN 1992-1-1:2004 AC:2008.

Chn layout START t danh sch layouts hin th

Layout Structure Model / Start ca chng trnh RSAP


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Khi trong vng hin th RMC vchn Select; chn ct trong ca sdi cng bn tri (thanh 1)

Analysis menu / Design of RCStructure Elements / RC ColumnDesign

Simple cases,OK

LMC khung Column - Section

Analysis menu / Calculation Options

Trn tab Concrete tab chn C25/30t trng NameTrn tab Longitudinal reinf khng

chn ng knh t6 n12 mmOK

Chn Start Calculations icont thanh cng c m hnh

LMC chn Results layout trong hpthoi Calculation Option SetCalculations

T danh sch t hp ti trnghin th b tr trn mt bn trica hp thoi Intersection chn thp u tin trn cng

Chn ct s c thit k

Chy modun cho php thit k ct BTCT. D liu trn ctcng vi kt qu phn tch tnh s c load ti modunny.

Chn la Simple cases trong hp thoi Parameters of RCElements.

Chn khung nhn tit din ct.

M hp thoi Calculation Options

nh ngha kch thc BT v thp. ng hp thoiCalculation Options.

Bt u tnh ton ct thp yu cu theo kch thc cchn.

Khi tnh ton hon thanh mn hnh hin th b mt catc ng tng h gia N-M, My-Mz.

Hin th tit din ct vi phn t nh du theo sau trn

n nh: trc trung ha, vng chu nn v ko cng vi hs an ton thch hp cho t hp ti trng c chn .


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Close

LMC trn trng la chn layoutRC Columns / Column -reinforcement

ng hp thoi Intersection

Hin th ct thp c c trong ct v dng bng ( nhnnh bn v bn di)

1.6 Thit k nhiu phn t BTCT

Tiu chun EN 1992-1-1:2004 AC:2008


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layout START c chn t gia nhng ci chng trnh

Structure Model / Start Layout

Analysis menu / Design of RCStructure Elements / RC MemberDesign / Calculations

a vo danh sch thanh 1to14trong trngCalculations for: ( vi la chnDesign c kch hot)

a vo danh sch cc trnghp ti (1to5) p dng cho kt cuv s dng trong sut qu trnhthit k vo trng Lists of cases

La chn Calculate cho dm ginh theo kch thc sau:in (11) points

LMC nt Calculate

ng hp thoiRC MemberCalulations: Report

ng hp thoi CalculationsAccording

to EN 1992-1-1:2004 AC:2008

Results menu / Reinforcement /RC Member Reinforcement

ng bng Results forrequiredmember reinforcement

cung cp

Hp thoi Calculations According to EN 1992-1-1:2004 AC:2008 c m.

Chn phn t s c tri qua qu trnh thit k

Chn tt c cc trng hp ti trng

Xc nh kch thc tm kim din tch ct thp l thuyt(yu cu) cho phn t kt cu c chn

Tnh ton din tch thp l thuyt (yu cu) cho phn t

kt cu c chn v v thng s theo tnh ton cbt u.

Hin th 1 ca s cha cnh bo tnh ton v li v dintch thp l thuyt ( yu cu)

M bng Results for required member reinforcementkt qu tnh ton ct thp l thuyt (yu cu) cho tit dinphn t BTCT c chn s hin th


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2. Thit k thp khung 2DTip sau l 1 v d nh ngha, phn tch v thit k 1 khung thp 2D n gin hin th nh hnh v bn

di..n v d liu: (m) v (kN).

3 loi ti trng s c gn cho kt cu (trng lng bn thn v 2 trng hp hot ti hin thtrong hnh v di). Hn na, (10) trng hp ti trng c t ng to ra cho ti tuyt/gi gn chokt cu.

CASE 2 CASE 3

Nhng nguyn tc sau y s c p dng trong sut qu trnh nh ngha kt: bt k k t biu tng no ngha l biu tng thch hp s c n vi nt chut tri ( x ) c gi tr c chn l x trong hp thoi hoc nhp gi tr x

LMC v RMC - nhng ch vit tt cho Click chut tri v Click chut phi. RSAP - vit tt cho Autodesk Robot Structural Analysis Professional.

nh ngha kt cu bt u chy chng trnh RSAP( n vo biu tng thch hp hoc chn lnh ttaskbar). Ca s ha s xut hin. ,

Chn icon u tin trong dng u tin (khung 2D) .

CH : D liu tit din Php c s dng trong v d ny. Ci t vng French regional settingstrong Preferences (Tools menu / Preferences).


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2.1 nh ngha m hnh

TIN TRNH THC HIN

Structure model / Bars Layout

LMC trong trng Bar type v chnkiu ColumnLMC trong trng Section v chnkiu HEA 300( nu tit din khnghin th trong danh sch, ngidng nn m hp thoi Newsection bng cch n nt

V chn tit din yu cu)

LMC trong trng Beginning( mu nn s chuyn mu xanh )

Ct 1:Beginning:(0,0) End:(0,5)Beginning:(0,5) End:(0,10)Beginning:(0,10) End:(0,15)Ct 2:

Beginning:(8,0) End:(8,5)Ct 3:Beginning:(16,0) End:(16,5)Beginning:(16,5) End:(16,10)Beginning:(16,10) End:(16,15)Ct 4:

Beginning:(24,0) End:(24,5)

Beginning:(24,5) End:(24,8)

LMC trong trng Bar type v chnloi Beam.LMC trong trng Section v chnloi HEA300

LMC trong trng Beginning( mu nn s thay i sang xanh)

Dm 1:Beginning:(0,5) End:(8,5)Beginning: (8,5) End:(16,5)

Beginning:(16,5) End:(24,5)dm 2:Beginning:(0,10) End:(16,10)dm 3:Beginning:(16,10) End:(24,8)dm 4:Beginning:(0,15) End:(16,15)

MIU T

Layout BARS s c chn t nhng hin th trongchng trnh RSAP

nh ngha thuc tnh ca thanh. Tit din t d liu titdin ca Php c s dng trong v d ny.

Bt u nh ngha kt cu thanh (ct ca kt cu)

Xc nh ct trong khung

Bt u nh ngha kt cu dm v xc nh thuc tnh cachng. Tit din t d liu tit din ca Php c s dngtrong v d ny.

Bt u xc nh kt cu dm

Xc nh dm trong khung


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Chn layout u ca chng trnh RSAP

LMC trong trng v chn layoutsTrong RSAP v chn

Structure model / Start Layout

Chn biu tng Zoom All tthanh cng c m hnh kt cu

Chn biu tng Supports tthanh cng c m hnh kt cu

LMC trn trng Current selectiontrong tab Nodal

Chuyn sang khung nhn hin th;khi n nt chut tri, chn tt c ntdi ca ct.

Chn biu tng ngm trong

hp thoi Supports( n s sng ln)

Apply, Close

Khung nhn u

M hp thoi Supports

Chn nt kt cu ni s gn gi

Chn cc nt 1, 5, 7 v 11 s c a vo Actualselection

Chn loi gi

Chn loi gi s c gn cho nt chn ca ktcu

2.2 nh ngha loi ti trng v ti trng

Chn Load Types icon tthanh cng c m hnh kt cu

LMC vo nt New

LMC trng Nature(Live)

LMC nt NewLMC nt New

Close

Loads menu / Load Table

n , b tr bng bn dimn hnh, thay i rng cakhung nhn v cho php m hnhkt cu c nh ngha hin th

LMC th 2 trong ct CASE, chn trng hp ti 2: LL1

M hp thoi Load Types

nh ngha 1 trng hp tnh ti (trng lng bn thn)v nhn chun DL1

Chn loi ca trng hp ti: hot ti

nh ngha 2 trng hp ti vi hot ti t nhin v nhnchun LL1 v LL2

ng hp thoi Load types

M bng nh ngha ti trng trong cc trng hp ti

nh ngha

Thu nh kch thc bng c th sp xp hin th ti trng c nh ngha

nh ngha thao tc ti trng trong trng hp ti th 2


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Tng t tip tc LMC trong ctLOAD TYPE , chn ti uniform load

LMC trn dng trong ct LIST,hin th chn la trong khungnhn ca dm 1 ( thanh10to12)

LMC trn hng trong ct "PZ="v nhp gi tr (-20)

LMC hng th 3 trong ct CASEchn trng hp 3 - LL2

LMC vo hng trong ct LOADTYPE, chn ti phn b u

LMC vo hng trong ct LIST,chn hin th dm 2 (thanh

13)

LMC hng trong ct "PZ=" vnhp gi tr (-14)

ng bng ti trng

Chn loi ti trng

La chn thanh ci c gn ti trng phn b u

Chn hng v gi tr ti trng phn b u

nh ngha ti trng trong trng hp ti th 3

Chn loi ti trng

Chn thanh s c gn ti phn b u


2.3 nh ngha ti trng tuyt/gi

Tiu chun Php: NV65 Mod99+Carte 96 04/00Loads menu / Special loads / Windand Snow 2D/3D

n nt Auto;

Khng la chn:without parapetswith base not on groundisolated roofs

Xc nh cc kch thc sau:Total depth = (60)Bay spacing= (10)La chn:windsnow

n nt Parameters

Xc nh thng s ti trng tuyt/gi:Global parameters tab:khu hnh chnh: Alpes-Maritimesaltitude above the sea level: (200)structure height: (15) mreference level: (0.8) mrise of roof: automatic

M hp thoi Snow and Wind 2D/3D

T ng to ng bao cho ti trng kt cu (trong trngEnvelope chng trnh a ra s nt sau: 1, 2, 3, 4, 10, 9,13, 12, 11) v xc nh thng s c bn cho ng bao ktcu

Xc nh cc thng s c bn cho ti trng gi/tuyt

M hp thoi b sung (Snow/Wind Loads 2D/3D), ningi dng c th nh ngha thng s chi tit

Xc nh thng s tng th


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Windtab:Site: NormalType: NormalWind pressure: automaticStructure dimension effect:automaticKo la chn trong nhmSpecific actions

Snowtab:Snow pressure: automatic chonormal and extreme

La chn: Snow redistribution

Generate

ng hp thoi ch tnh ton

ng hp thoi Snow and Wind

2D/3D

2.4 Phn tch kt cu

Chn Calculations icon tthanh cng c chun

2.5 Phn tch chi tit

Chn dm 1 trong mn hnh hinth ( thanh 10,11,12)

LMC chn layout RSAP :

Results / Detailed Analysis Layout

Chn trng hp ti th 2

Trong hp thoi Detailed Analysischn Open a new windowb tr gc di cng bn tri,Trn tab NTM chn MY

Moments

Xc nh cc thng s ti trng tuyt/gi

Xc nh thng s cho ti trng tuyt

n nt kt qu s bt u c to cho ti trng tuytv gi vi thng s c chp nhn . Ch tnh ton sxut hin trn mn hnh. N s hin th thng s trnghp ti tuyt/gi

Tnh ton kt cu bt u. Khi tnh ton xong, thanh trncng ca chng trnh RSAPs hin th tin nhn: Results(FEM) : available.

Phn tch chi tit thanh kt cu c bt u. Mn hnhquan st c chia thnh 2 phn: mn hnh hin th mhnh kt cu v hp thoi DetailedAnalysis

Chn hin th cho dm c chn la


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Apply

Trong hp thoi Detailed analysischn theo la chn sau:

Chn ng sut ln nht Smax trntab StressesChn im c trng trn tab

Division points

LMC vo Refresh

Apply

Chn tab Global extremes trong bng

Exit

2.6 Phn tch ton b

LMC chn RSAP programlayout:Structure Model / Start Layout

1 khung hin th b sung xut hin trn mn hnh.N cha 2 phn: 1 mn hnh hin th thng tin (s , titrng, tit din thanh) cho thanh c chn v bng hin thkt qu dng s c c trn thanh chn

Chn khi lng hin th cho dm chn

Thm khi lng hin th mi cho dm chn

Kch hot hin th im cc tr c c trn dm chn(nh hnh di)

ng khung nhn hin th phn tch chi tit ca dm chn

Chn layout u tin trong RSAPlayout.


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Results menu / Global Analysis -Bars

RMC khi con tr ang trong khungnhn.

Table Columns

Trn tab Stresses ko chn tt chp chn.

Design tab: La chn Ratio

LMC nt OK

LMC vo Upper limit trong bng vnhp gi tr 1.0

RMC khi con tr chut ang trongkhung nhn ha

Chn la Constant display of limitvalues

Close

2.7 Thit k thp

Tiu chun CM66

Bt u phn tch ton b tt c thanh trong kt cu.1 khung nhn xut hin. N gm 2 phn: mn hnhhin th thng tin v bng hin th kt qu dng s.

1 menu ng cnh xut hin

Chn la 1 la chn trong menu ng cnh m hpthoi Parameters of presentation windows

Trn khi lng phn tch ton b s hin th

Chp nhn chn la

Gi tr cao nht ca h s c xc nh

1 menu ng cnh xut hin trn mn hnh ha

Gi tr gii hn c hin th vi ng thng nm ngangtrong khung nhn ha ca phn tch tng th(nh di)

ng khung nhn hin th phn tch tng th


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Thit k thnh phn kt cu thp c bt u.

LMC chn layout RSAP program:Structure design / Steel/Aluminumdesign LayoutLMC nt New trn tab Groupstrong hp thoi Definitions

Xc nh nhm u tin vi kchthc nh sau:Number: 1Name: columnsMember list: 1to9Material: ACIER Defaut

Save

LMC nt New trn tab Groups tabtrong hp thoi Definitions

Xc nh nhm th 2 theo thng

s nh sau:Number: 2Name: beamsMember list: 10to15Material: ACIER Defaut

Save

LMC nt List trong Codegroup design trong hp thoiCalculations

LMC nt All (trong trng trnnt Previous, ni s xut hin danh

sch: 1to2), Close

LMC nt List trong nhm Loads(hp thoi Calculations)

LMC trong trng trn ntPrevious; xc nh danh sch: 1to3,Close

Kch hot la chn: Optimizationch gii hn: UltimateKo la chn: Save calculation resultsLMC nt Calculations

Mn hnh iu khin c chia thnh 3 phn: khung nhnhin th, hp thoi Definitions v hp thoi Calculations

nh ngha cc nhm phn th c bt u

nh ngha nhm u tin cha tt c cc ct trong ktcu

Lu thng s nhm u tin

nh ngha nhm th 2

nh ngha nhm th 2 cha tt c dm trong kt cu

Lu thng s ca nhm th 2

Ti hp thoi Calculations v m hp thoi CodeGroup Selection

Chn cc thnh phn nhm c gn

M hp thoi Load Case Selection

Chn 3 trng hp ti (DL1, LL1, and LL2)

Thit k nhm s c s dng 1 cch ti u ( tit dinthch hp s c ch ti trng lng ca chng); ch gii hn ti a s c kim tra

Thit k nhm phn t chn c bt u; xut

hin hp thoi CM66 - Code Group Design trn mn hnh


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LMC nt Change all trong hpthoi Code Group Design biudin nh trn; chp nhn cnh bov c th thay i tnh trng kt quti ko hin th not available

Close

Chn Calculations icon tthanh cng c m hnh

LMC nt Calculations trong hpthoi Calculations

LMC nt Change all trong hpthoi Code group design ; chpnhn cnh bo v c th thay itnh trng kt qu thnh not

available

Close


LMC the Calculations button in theCalculationsdialog box

Thay i hnh dng hin hnh s dng trong phn tthuc c 2 nhm ti tnh ton tit din (cho ct: t HEA300 thnh HEA 240, cho dm: t HEA 300 thnh HEA450). Khi tit din c thay i, thanh trn cng cachng trnh RSAP s hin th tin nhn: Results (FEM) :out of date.

ng hp thoi Code Group Design

Tnh ton li kt cu vi phn t thay i tit din .Khi tit din thay i, thanh trn cng caRSAP s hin th tin nhn: Results (FEM) :available.

Thit k li cc nhm phn t chn trong kt cu (1,2)vi kch hot la chn ti u; Ni s xut hin khung nhnShort results

Thay i hnh dng tit din hin hnh s dng trongphn t thuc c 2 nhm ti tnh ton tit din. Khi titdin thay i, thanh trn cng ca

RSAP s hin th tin nhn sau: Results (FEM) :out of date.


Tnh ton li kt cu vi phn t thay i tit din. Khitit din thay i, thanh trn cng caRSAP s hin th tin nhn: Results (FEM) :available.

Thit k li cc nhm phn t chn trong kt cu (1,2)vi kch hot la chn ti u; Ni s xut hin khung nhnShort results di. Khi tit din ko thay i trong sut qutrnh thit k nhm c th ni rng tnh ton tit din l

tit din ti u cho thit k phn t nhm. Bn phi lp litin trnh thit k li n khi bn s nhn thy kt qu bndi.


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Close

LMC trong trng Memberverification trong hp thoiCalculations v nhp : (1to15)

LMC trn trng Load case listtrong hp thoi Calculations v

nhp y: (1to3)

LMC nt Calculations

Close

2.8 Thnh phn bn in

File Menu / Printout Composition

LMC tab Simplified printout


Chn phn t kim tra

Chn tt c cc trng hp ti

Kim tra phn t kt cu chn c bt u (kimtra c tin hnh n khi kt qu thu c cho tngphn t kt cu ring bit; tuy nhin iu ny ko cnthit); C xut hin 1 khung nhn Short results

ng hp thoi Member Verification

M hp thoi Printout Composition - Wizard, ni c thnh ngha dng bn in cho kt cu thit k hin thi

Ti tab Simplified printout


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Tt la chn ( k t Ko xuthin):Quantity survey,Combinations

Chn d liu t danh sch hinth nh sau:Reactions - global extremesDisplacements - envelopeForces - valuesStresses - envelope

LMC nt Save template

LMC tab Standard

Hin sng la chn trong bng tri:

Member Group Design

LMC nt AddLMC nt Preview

Close

Close

D liu v khi lng kim tra v t hp ti trng s khngc trong bn in

Chn d liu hin th cho kt qu tnh ton kt cu

n nt kt qu trong tab Templates trong hp thoiPrintout composition - Wizard v bao gm bn inphn t rt gn chn trong bng bn phi

Ti tab Standard

Chn phn t cu thnh nn bn in

Going to the selected option in the right panel

Trnh by xem trc in n bn in nh ngha cho kt cuthit k

ng khung xem trc khi in

ng hp thoi Printout Composition - Wizard


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3. Phn tch n hi-doV d ny trnh by cch nh ngha, phn tch v thit kt 1 khung thp 2D n gin nhn nh hnh

di. Tin trnh nh ngha gm ng dng to gin bng th vin kt cu in hnh hin th trongchng trnh Autodesk Robot Structural Analysis Professional. M hnh xt n iu kin tiuchun Chu u (EuroCode) vi ch ti khim khuyt hnh hc v phn tch vt liu n hi- do .n v d liu: (m) and (kN).


bt u nh ngha kt cu chy chng trnh RSAP( n icon thch hp hoc chn lnh t

taskbar). Trong nh hin ra trn mn hnh chn icon u tin (Frame 2D Design) s c chn.

3.1 nh ngha m hnh

3.1.1 Chn tiu chun

Tin trnh thc hin Miu t

Tools menu / Job Preferences M hp thoi Job Preferences

Materials

Chn t Materials di danh sch:Eurocode

Design codes

Steel / Aluminum structures:(EN 1993-1:2005)

Loads

Chn Materials t cy la chn trong hp thoi

Chn d liu vt liu tiu chun Chu u

Chn tiu chun thit k t cy trong hp thoi

Chn tiu chun Chu u cho thit k kt cu thp

Chn Loads t cy hp thoi


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Code combinations:EN 1990:2002Chp nhn cnh bo v thay i

tiu chun

OKChp nhn cnh bo v tiu

chun thay i

Chn tiu chun Chu u cho t ng t hp ti tng tiu

chun

Chp nhn cc thng s theo sau v ng hp thoi Jobpreferences

Chp nhn cnh bo tiu chun thay i

3.1.2 Structural Axis Definition

Geometry menu / Axis definition

On the X tab:Position: {0}Number of Repetitions: {2}Distance: {6}

Numbering: 1, 2, 3 ...LMC nt Insert

LMC tab Z

Trn tab Z:Position: {0.0}

Numbering: A, B, C ...

LMC nt Insert

Position: {3.6}, Insert



Apply, Close

Bt u nh ngha h trc kt cu. Hp thoiStructural Axis hin th trn mn hnh

Xc nh thng s trc ng kt cu

Trc ng c xc nh v nhp vo trng Definedaxes

Bt u xc nh thng s ca trc ngang kt cu

Xc nh thng s trc ngang kt cu

Trc ngang u tin c xc nh v nhp vo trngDefined axes

Cc trc cn li c xc nh v nhp vo trngDefined axes

H trc kt cu c to ra v ng hp thoi StructuralAxis. H trc kt cu hin th trong hnh bn di cxut hin trn mn hnh.


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3.1.3 nh ngha phn t

Geometry / Properties / Sections

Chn New section definitionicon.

Chn I-section family,trong trng Section chn titdin IPE 240, AddHEA 300, AddHEA 240, Add

Close (hp thoi New Section)Close (hp thoi Sections )

Chn Bars icon t thanhcng c m hnh kt cu

LMC trong trng Bar type vchn loi: Column

LMC trng Beginning( mu nns thay i sang xanh)

Ch vo mn hnh hin th hoc gim u v cui ca thanh(0,0) (0,6), Add(12,0) (12,6), Add

M hp thoi Sections

M hp thoi New Section

Xc nh cc tit din sau: IPE 240, HEA 240 and HEA300

ng hp thoi Sections v New Section

M hp thoi Bars

Chn thuc tnh ca thanh thit k. Trng Section shin th tit din nh ngha gn y HEA 240

Bt u xc nh thanh trong kt cu (ct kt cu)

Xc nh v tr ca thanh trn ng kt cu to vi s 1v 3 (trong khong A-C)


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LMC trong trng Section v chntit din HEA 300

LMC trong trng Beginning(mu nn ca trng thay ithnh xanh)

Ch vo mn hnh hin th hoc g

im u v cui ca thanh(6,0) (6,3.6), Add

LMC trong trng Bar type v chnloi: Beam

LMC trong trng Section vchn tit din IPE 240

LMC trong trng Beginning(mu trng thay i thnh xanh)

Ch vo mn hnh hin th hoc gim u v cui ca thanh

(6.0,3.6) (12.0,3.6), Add

Close

View menu / Display

tab Bars, bt la chn Section -shapeApply

Chn HEA 300nh tit din hin hnh

Bt u xc nh thanh trong kt cu (ct gia)

Xc nh v tr ca thanh trn ng kt cu to vi s 2(trong khong A-C)

Chn thuc tnh ca thanh thit k

Chn IPE 240 nh tit din hin hnh

Bt u xc nh thnah trong kt cu (1 dm gia ccct)

Xc nh v tr ca thanh trn ng kt cu to t B ( trongkhong 2-3)

ng hp thoi Bars

M hp thoi Display


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3.1.4 nh ngha th vin kt cu

tab Nodes, bt la chn Nodenumberstab Structure, tt la chnStructural axisApply, OK

Chn Library Structure icon tthanh cng c m hnh kt cu

LMC (2 ln) biu tng(biu tng u tin hng cui)

Trn tab DimensionsLMC trong trngLength L {12}

LMC trng Height H{1.2}

LMC la chn:Moments Released: No

LMC trn tab Sections ;Tt c thanh cnh (trn v di)gn (DCED 90x10) vthanh xin,ng gn (CAE 70x7)

LMC tab Insert

LMC trng Insertion point

Chn nt th 2 trong khung nhn cah ta (0, 0, 6)

Apply

OK

M hp thoi Typical Structures v bt u nhngha th vin kt cu

Chn gin tam gic ca loi 1. Hp thoi Merge Structurehin th trn mn hnh trong thng s gin c thc xc nh

Xc nh di gin (n cng c th xc nh t mn hnhtrong khung nhn hin th)

Xc nh chiu cao gin (n cng c th xc nh t mnhnh trong khung nhn hin th)

Gn tit din cc thanh gin

Xc nh im bt u ca gin

Xem nh d liu c nhp vo, c th hiu chnh d liu

To xong gin v ng hp thoi Merge Structure . Ktcu c nh ngha hin th nh hnh di


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3.1.5 Thm nt ph tr

Edit menu / Divide

Trong trng DivisionLMC in distance

Trong trng Distance from thetop nhp gi tr 3.6 (m)

Chuyn sang khung nhn v chchut tri, click ln ct tri tichn ct (thanh 1)

Close

M hp thoi Division

Chn cch xc nh im chia c chn vo qua ta trn di thanh

nh im chn ni nt ph c chn vo

Ch ln thanh chia. Ch : nu khong chia xc nh quata trn di thanh, ch rng ta c tnh tont im bt u thanh khi ch chut

ng hp thoi Division

3.1.6 nh ngha gi thanh

Geometry menu / Additional

Attributes / Brackets

LMC trn trng vi danh sch nhngha thuc tnh, chn gi tr mcnhBracket_ 0.1x1

Di chuyn sang khung hin th; chvo im bt u v cui ca dm(s 4)

Close

M hp thoi Brackets

Selects the bracket type (it will be highlighted)

Xc nh gi trn im u v cui ca dm

ng hp thoi Brackets


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3.1.7 nh ngha gi

Chn Supports icon t thanhcng c m hnh kt cu

Trong hp thoi Supports chngi Fixed (ngm)

Chuyn sang khung hin th vchn nt 1 (nt di cng ct bin)

Trong hp thoi Supports chngi Pinned(gi ta)

Chuyn sang khung hin th chnnt 3 v 5 (nt di ca cc ctcn li)

Close

M hp thoi Supports

Chn loi gi l ngm ( n s hin sng)

Gn gi ti nt 1.

Chn loi gi l gi ta ( n s hin sng)

Gn gi ti nt 3 v 5

ng hp thoi Supports

3.1.8 nh ngha khuyt tt hnh hc

Geometry menu / AdditionalAttributes / GeometricalImperfections

Chn Definition of a new type

of geometrical imperfection icon.

Trong trng Label gDuring_AssemblyTt la chnAutomaticBt la chn User-definedBt la chn AbsoluteNhp gi tr 5 (cm)

Add, Close

LMC trong trng vi danh schnh ngha thuc tnh, chn loi

khuyt tt mc nh (Automatic)

Chuyn sang khung nhn, chnthanh s 1 (ct tri)

LMC trong trng vi danh schnh ngha thuc tnh, chn loikhuyt tt nh nghaDuring_Assembly

Chuyn sang khung hin th; chnthanh di ca gin (thanh s 5)

M hp thoi Geometrical Imperfections

M hp thoi Imperfection definition

Xc nh thng s ca loi khuyt tt mi vi gi trvng lch bng 5cm

Xc nh khuyt tt v ng hp thoi Imperfectiondefinition

Chn loi khuyt tt ( n s hin sng)

Xc nh khuyt tt (khuyt tt t ng theo EC3) cho ct

Chn loi khuyt tt ( n s hin sng)

Xc nh khuyt tt (nh ngha bi ngi dng) chothanh di ca gin


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Close ng hp thoi Geometrical Imperfections

3.1.9 nh ngha cc trng hp ti

Di thanh trng thi

Loads menu / Load Types

LMC nt New

LMC trng Nature : Live (Live 1)

LMC nt New

LMC nt Close

Phc hi ci t hin th mc nh


inh ngha trng hp ti t nhin: tnh ti v tn chunDL1

Chn trng hp ti: live

nh ngha trng hp ti t nhin: hot ti vi tnchun LL1

ng hp thoi Load Types

3.1.10 nh ngha ti trng cho cc trng hp ti

Chn ti trng s. 1 - ti trng bn thn DL1.

Chn 1: DL1

Loads menu / Load Definition

Chn tab Bar

Values:pZ: {-3} (kN/m),Add

LMC trng Apply to - nhpthanh bao ngoi :1 2 6 7

Apply

Chn 2: LL1

Chn tab Node

Load parameters,X: {10} (kN)Z: {-100} (kN)

LMC nt Add trong phn di cahp thoi

M hp thoi Load Definition .

Chn Uniform load.

nh ngha gi tr ti trng phn b u trn thanh

Xc nh ti trng phn b u trn thanh c ch nh-n m hnh trng lng tng v mi lp

Xc nh ti trng p dng cho danh sch cc thanh

Chn trng hp hot ti LL1.

Chn loi ti Nodal Force

Xc nh gi tr ti trng ti nt.


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Chuyn sang khung nhn hin th kt Xc nh nt ti trng ni m hnh ti trng cu trc di chuynCu v ch chut chn bn trn.(LMC) nt. 6 v 18

Close ng hp thoi Load Definition

3.1.11 Ti trng to bi tuyt/gi

Loads menu / Special loads / Windand Snow 2D/3D

n nt AutoTrong Total depth : 30,Trong Bay spacing : 6 (m)

n nt Parameters

Generate, OK

ng hp thoi ch tnh ton

Close

M hp thoi Snow and Wind 2D/3D

T ng to ng bao bn ngoi kt cu cho ti trng tobi gi/tuyt

M hp thoi thm vo (Snow/Wind Loads 2D/3D) trong thng s chi tit c xc nh. Thng s mc inh sc chp nhn .

n nt ny bt u to ti trng do tuyt/gi vi thngs mc nh. Trn mn hnh ch tnh ton s hin ththng s gi tr cc trng hp ti tuyt v gi

Trng hp ti mi c to ra (ti trng gi v tuyt)

ng hp thoi Snow and Wind 2D/3D

3.1.12 To t ng tiu chun t hp ti trng

Loads menu / AutomaticCombinations

Chn Full automatic combinations

More >Trn tab Combinations tt la

chnACC v FEU

Generate

M hp thoi Load Case Code Combinations theoEN 1990:2002.

Chn la chn ny v click OK to t hp y sau khitnh ton tnh kt cu .

ng hp thoi tiu chun t hp ti trng v nh nghat hp ti trng .

3.2 Phn tch kt cu v kim tra kt qu

Analysis menu / Calculations Chy tnh ton.

Results menu / Stresses M bng ng sut thanh.


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LMC tab Global extremes btr di din tch bng.

LMC trong gc bng trn cng

File menu / Save

Nhp tn cho file , v d.

Frame_EC3

LMC nt Save

3.3 Phn tch n hi-do

Calculates maximal stresses in bars.

ng bng.

M hp thoi lu.

Lu nh dng mc inh: RTD.

Lu v d.

Trong phn b sung, phn tch s va p ngu nhin vi ct xng bi cu trc di chuyn bn trn.

Trong trng hp ny, phn tch trong gii hn n hi s c xem xt.

3.3.1 Thay i nh ngha cc trng hp ti trng

Loads menu / Load Types

LMC nt Delete all

LMC nt New

Close

Loads menu / Load Definition

Load parameters,X: {120} (kN)Z: {0}

LMC nt Add di bng hp thoi

Chuyn sang khung hin th kt cuv (LMC) chn nt s 18

Close


Xa tt c cc trng hp ti

nh ngha trng hp ti vi ti t nhin mc nhv tn chun DL1

ng hp thoi Load Types

M hp thoi Load Definition .

Chn loi ti Nodal Force .

Xc nh gi tr ti trng ti nt.

Xc nh ti trng nt n m hnh ti trng ngu

nhin kt qu t s chuyn ng ca cu trc bn trn.

ng hp thoi Load Definition .


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3.3.2 Phn tch kt cu

Analysis menu / Calculations

nh v con tr chut vo ct bin(thanh 1) n s hin sng,RMC

Object Properties

Chn tab Code check

Close

Chy tnh ton

M menu ng cnh trong khung nhn kt cu.

Kch hot la chn Bar properties cha thng tin v thanhs .1.

Thc hin thit k n gin thanh thp. Nh bn thy, nkhng tha mn iu kim kim tra theo tiu chun .

ng hp thoi Bar properties .

3.3.3 Thay i tit din thanh cho phn tch n hi-do

Chn Bar Sections icon tthanh cng c m hnh kt cu.

LMC vo HEA 240 trn danh sch


LMC du tch cnh nt Elasto-plastic analysis

Add,Close

Chuyn sang khung nhn hin th ktcu v chn (LMC) cc ct bin(thanh s. 1, 2)

Trong hp thoi Sections LMCvo IPE 240 trong dnh sch


LMC du tch cnh nt Elasto-

plastic analysis

Add,Close

Chuyn sang khung nhn hin th ktcu v chn (LMC) dm (thanh s. 4)

Close trong hp thoi Sections

M hp thoi Sections

Chn tit din hin dng

M hp thoi New Section vi tit din HEA 240 cchn

Bt phn tch n hi-do cho tit din c chn. 1 titdin mi vi tn c gn: HEA 240EP

nh ngha tit din HEA 240EP, ng hp thoi NewSection .

Thay i tit din thanh c ch nh thnh tit dinHEA 240EP .Chp nhn cnh bo v thay i c th a kt qusang trng thi not available.Chn tit din hin dng

M hp thoi New Section vi tit din IPE 240 cchn

Bt phn tch n hi-do cho tit din c chn. 1 tit

din mi vi tn c gn: IPE 240EP

nh ngha tit din IPE 240EP, ng hp thoi NewSection .

Thay i tit din thanh c ch nh thnh tit din IPE240EP .

ng hp thoi Sections .


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3.3.4 Phn tch kt cu v kim tra kt qu

Analysis menu / Calculations

Results menu / Displacements

LMC tab Global Extremes

File menu / Save as

Trong File name nhp tn cho vd e.g.

Frame_EC3_EP

LMC nt Save button

Chy tnh ton.

M bng chuyn v nt.

Tnh ton chuyn v ln nht ti nt (nhn nh hnh di).

Nh bn nhn thy, mc d lm vic giai on do nhngkt cu vn n nh .

M hp thoi lu.

Lu vi dng mc nh - RTD.

Lu v d.


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4. Ti trng di chuyn khung 2DV d ny gii thiu cch nh ngha, phn tch v thit k 1 khung 2D n gin (nhn nh hnh bn

di), vi 1 ti trng di chuyn c nh ngha.n v: (m) v (kN).

3 trng hp ti trng s c gn cho kt cu (trng lng bn thn v 2 trng hp ti: gi vtuyt, biu din nh hnh di). Thm na,1 ti trng di chuyn s c gn cho kt cu


MOVING LOAD CASE


Trong th t bt u nh ngha kt cu, nn chy chng trnh RSAP (n biu tng thch hphoc chn dng lnh thch hp t toolbar). Sau , s xut hin trn mn hnh 1 hp thoi, chnbiu tng u tin hng u tin (2D frame).

CH : D liu tit din Chu u (French) (CATPRO) c s dng trong v d ny.


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4.1 nh ngha m hnh

TIN TRNH THC HIN

Chn Axis Definition t thanhcng c m hnh kt cu.

Trong tab X:Position: {0}Number of repetitions: {4}Distance: {3}

Numbering: A, B, C ...

LMC nt Insert

LMC trong tab Z

Trong tab Z :Nhp lin tip cc ta sau:

{0}, Insert{3}, Insert{5}, Insert{6.5}, Insert

Numbering: 1, 2, 3 ...

Apply, Close

MIU T

Bt u nh ngha h trc kt cu. hp thoi Structuralaxis xut hin trn mn hnh.

Xc nh thng s trc ng kt cu.

Trc ng c xc nh v a vo trng Set of definedaxes .

Bt u nh ngha thng s trc ngang kt cu.

Xc nh thng s trc ngang kt cu.

To xong h trc kt cu v ng hp thoi Structural axis.

4.1.1 Member Definition

Chn Bar Selections icon tthanh cng c

Chn New SelectionDefinition icon

Chn nhm I-section trong trngSection v chn theo nhng tit dinsau: HEA 200, HEA 260 vIPE 200

Add, Close

Close

Chn Bars icon t thanhcng c m hnh

LMC trong trng BAR TYPE:Column LMC trong SECTIONv chn loi tit din: HEA 260

M hp thoi Sections

M hp thoi New sections

nh ngha tit din mi v ng hp thoi New sections

ng hp thoi Sections

M hp thoi Bars

Chn thuc tnh thanh


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LMC trong trng Beginning (muca nn thay i sang xanh)

Ct 1 - gia li A1-A3, vi ta nh sau:Beginning: (0,0)End: (0,5)

Ct 2 - gia li E1-E3, vi ta nh sau: Beginning: (12,0)End: (12,5)

Ct 3 - gia li C1-C2, vi ta nh sau:Beginning: (6,0)End: (6,3)

Close

Bt u xc nh thanh kt cu ( cc ct kt cu)

Xc nh ct kt cu. Hnh di th hin kt cu cto n thi im ny .

ng hp thoi Bars

4.1.2 nh ngha th vin kt cu (1 mi v 1 dm cu trc di chuyn trn)

Chn Library Structure icon tthanh cng c m hnh

LMC ( p) biu tng( th 1 hng di)

Trong tab DimensionsLMC trong trngLength L {12}

LMC trong trngHeight H {1.5}

M hp thoi Typical structures v bt u nhngha th vin kt cu (mi).

Selects the triangular truss of type 1. On screen, thereappears the Merge structuredialog box where one maydefine truss parameters

Xc nh chiu di gin (c th xc nh trong khung nhnhin th)

Xc nh chiu cao gin (c th xc nh trong khung nhnhin th)


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LMC trong trng Number offields {8}

LMC trn tab Sections ;Tt c thanh bin ( trn v di)gn (DCED 90x10) vthanh xin,ng gn (CAE 70x7)

LMC trong tab Insert

LMC trong trng Insertion pointchn im A3 vi ta nh sau:

(0,0,5)

Apply, OK

Geometry menu / Releases

LMC trn loi gii phng lin kt:Pinned-Fixed

LMC trn trng Current selection,chuyn sang khung nhn v chchn thanh ng cao nht gin(trong nh mi) bng cch di contr chut trn phn t.

Close

Chn Library Structure icon tthanh cng c m hnh.( icon th 3 trong hng 2)

LMC ( p) vo icon

Trn tab DimensionsLMC trng Length L{12}

LMC trng Height H{1.0}

LMC trong trng Number offields {8}

LMC trn tab Sections ;Tt c thanh bin ( trn v di)gn (DCED 90x10) vthanh xin,ng gn (CAE 70x7)

LMC trong tab Insert

LMC trong trng Insertion point vchn im theo ta sau (0,0,2)

Xc nh s khong chia m gin c chia thnh

Gn tit din cho thanh gin.

Xc nh v tr im chn kt cu

To kt cu v tr thch hp bn trong khung kt cu vng hp thoi Merge structure

M hp thoi Releases

Chn loi gii phng lin kt gn cho thanh gin

Chn thanh gin; Ch : lu mi tn ci xut hin sngtrn thanh gin- khi a chut ln thanh, mi tn phi chng ln (hng ca lin kt gii phng rt quan trng: tiin nt u l lin kt khp, cn li im th 2 lin kt ngmc gn)

ng hp thoi Releases

M li hp thoi Typical structures v bt u nhngha t th vin kt cu ( di chuyn- dm cu trc).

Chn gin ch nht loi 3. Trn mn hnh, xut hin hpthoi Merge structure ni c th xc nh cc thng scho dn

Xc nh chiu di gin (c th xc nh trong khung nhnhin th)

Xc nh chiu cao gin (c th xc nh trong khung nhnhin th)

Xc nh s khong chia gin

Gn tit din thanh gin

Xc nh im chn kt cu gin


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Apply, OK

Chn thanh ng bn ca cn trcgin di chuyn v thanh ng gia(nh hnh) thanh s hin sng(thanh 108, 112 v 116)

n nt Delete trn bn phmChn No, delete only the selectedbars v n nt Apply

To kt cu v tr thch hp bn trong khung kt cu vng hp thoi Merge structure

Xa nhng thanh c chn

4.1.3 nh ngha gi

Chn Supports icon t thanhcng c m hnh

LMC trong trng Current selectiontrn tab Nodal

Sang khung nhn; khi di chut tri vn, chn ca s tt c cc nt dica ct (cc im nm cao trnhtrc 1)

Trong hp thoi Supports , chnbiu tng gi ngm (n s hinsng)

Apply

Close

M hp thoi Supports

Chn nt kt cu s c gn gi

Chn nt (1 3 5) s c chn trong trng Currentselection .

Chn loi gi

Gi c chn s c gn cho nt kt cu.

ng hp thoi Supports


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4.1.4 nh ngha ti trng kt cu

Chn RSAP layout ci cho php ngi dng nh ngha cctrng hp ti

LMC trong RSAPlayout chn

Structure model / Loads Layout

LMC nt New trong hp thoiLoadtypes

LMC trong Nature :Wind

LMC nt New

LMC trong NatureSnow

LMC nt New

LMC trng 2 trong ct CASEv chn trng hp ti 2ndWIND1

LMC trng trong ct LOADTYPE v chn ti trng phn b u

LMC trng trong ct LIST v chnsang khung hin th kt cu ct tri

LMC trng trong ct "PX=" v ggi tr 5.0

LMC trng 3 trong ct CASE vchn trng hp ti th 3: SN1

LMC trng trong ct LOADTYPE v chn ti trng phn bu

LMC trng trong ct LIST v chnsang khung nhn hin th thanh bintrn ca gin mi

LMC trng trong ct "PZ=" vnhp gi tr: -3.0

trong RSAPlayout chnStructure Model / Start Layout

nh ngha theo trng hp ti:nature: dead (self-weight)standard name: DL1

Chn trng hp ti: wind

nh ngha theo trng hp ti:nature: wind

standard name: WIND1

Chn trng hp ti: snow

nh ngha theo trng hp ti:nature: snowstandard name: SN1

Trng lng bn thn t ng c gn cho ton bthanh kt cu hng u tin (hng "-Z)

nh ngha ti trng cho trng hp ti th 2

Chn loi ti trng

Chn thanh s c gn ti trng lc ti nt (thanh 1)

Chn hng v gi tr ti trng

nh ngha ti trng cho trng hp ti th 3

Chn loi ti trng

Chn thanh s c gn ti trng phn b u (thanh s 5v 6)


Chy layout u tin ca RSAP


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4.1.5 nh ngha ti trng di chuyn v p dng cho kt cu


LMC la chn Databases / Vehicleloads

Chn Create a newdatabase icon.

G:Trong Database : USERTrong Database name :User-defined databaseUnits: length - (m)

force - (kN)

Create

OK

Loads menu / Special loads / Moving

Chn New vehicle icon.

LMC nt New

G tn ln: Moving crane,OK

LMC dng u tin trong bng b trphn thp ca hp thoi

Chn loi ti trng: lc tp trung

(concentrated force)

F = 30, X = -1.2, S = 0

LMC ng tip theo trong bng tiphn di ca hp thoi

Chn loi ti trng: lc tp trung(concentrated force)

F = 30, X = 0.0, S = 0

LMC ng tip theo trong bng tidi na ca hp thoi

Chn loi ti trng: lc tp trung(concentrated force)

F = 30, X = 1.4, S = 0


Chn la t cy th mc bn tri ca hp thoi

n Create a new database icon m hp thoi New MovingLoad

nh ngha d liu ngi dng

ng hp thoi New Moving Load

ng hp thoi Job Preferences

M hp thoi Moving Loads

M hp thoi Moving Loads v bt u xc nh 1 lnxe miXc nh ln xe mi

Xc nh tn ln mi v ng hp thoi Newvehicle

Xc nh lc tc ng

Chn loi ti trng

Xc nh gi tr v v tr lc tp trung

Xc nh lc tc ng

Chn loi ti trng

Xc nh gi tr v v tr lc tp trung

Xc nh lc tc ng

Chn loi ti trng

Xc nh gi tr v v tr lc tp trung. Hp thoi

Moving Loads hin th nh hnh di.


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LMC nt Save to database

Chn USER database v OKtrong hp thoi Moving LoadDatabases

Add, Close

Trong trng Name , g tn cati trng di chuyn (case 4):

moving crane load

LMC nt Define

Xc nh 2 im nh tuyn ca ln:beginning (0,3)end (12,3)

Apply, Close

LMC trng Step {1}Gi nh gi tr mc nh ca hng(0,0,-1), ngha l ti trng tc dng

theo phng Z v hng ngcvi trc Z

LMC la chn Selection ti trngApplication plane

{8}

LMC nt Parameters

M hp thoi Moving Load Databases

Lu ln nh ngha ti d liu ngi dng nh ngha

Thm ln nh ngha ti danh sch ln hot ng vng hp thoi Moving Loads

Xc nh tn ca ti trng di chuyn

Bt u nh ngha tuyn ca ln cu trc di chuyn:hp thoi Polyline - Contour c m, vi la chnPolyline kch hot.

Xc nh cc tuyn ln

ng hp thoi Polyline - contour

Xc nh cc bc thay i v tr ti trng di chuyn v hngca ti trng p dng .

Chn mt phng ti trng tc dng

Chn thanh bin trn ca gin cu trc di chuyn (thanh s 8)

M hp thoi Route Parameters


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LMC trng cho h s:Coef. LR and coef. LLv g gi tr 0.1

Bt la chn sau:Vehicle position limit - routebeginningVehicle position limit - route end

OK

Apply, Close

4.2 Phn tch kt cu


Structure Analysis

Method of Solving the System ofEquations: Iterative

OK


Xc nh h s cho lc tc dng dc tuyn ln chuynng. N to lc c ngun gc t phanh xe, c gi tr bng0.1*F

Chuyn nhng la chn m bo rng lc c nh nghacho ti trng di chuyn cu trc ko c v tr ngoi m hnh ktcu.

ng hp thoi Route Parameters

To trng hp ti di chuyn theo nhng thng s vng hp thoi Moving Loads .


Chn la Structure Analysis t cy trong hp thoi

Chn phng php gii cc h phng trnh cho m hnhkt cu

Chp nhn kch thc gi nh v ng hp thoi JobPreferences

Bt u tnh ton kt cu. Khi tnh ton xong, thanh tiu ca khung nhn s hin th theo thng tin sau:Results -(FEM):available.

4.3 Trnh din ln xe v trng hp ti trng di chuyn

View menu / Display

Tab Loads : bt la chn Movingloads / Moving loads - vehicle ,OK

Chn 4: moving-crane load

Loads / Select Case Component

Chn: Current component4

LMC nt Animation

LMC nt Start

M hp thoi Display

Hin th ln nh ngha trn kt cu

Chn trng hp ti 4 ( ti trng di chuyn cu trc)

M hp thoi Case component

Chn thnh phn 4 ca trng hp ti di chuyn

M hp thoiAnimation

Bt u m phng ti trng di chuyn trn kt cu; ln s dichuyn dc theo knh xc nh.


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Dng (LMC nt ) v ngcng c m phng

Close

4.4 Phn tch kt qu

LMC chn RSAPlayoutResults / Results Layout

Chn: 4 moving load

Bt la chn My Moment tronghp thoi Diagrams

Chn tab Deformation trong hpthoi Diagrams

Bt la chn Deformation

Apply

Dng m phng ln xe

ng hp thoi Case component

M layout RESULTS RSAP . Mn hnh iu khin s chiathnh 3 phn: khung nhn cha m hnh kt cu; hp thoiDiagrams .v bng hin th gi tr phn lcCH : Bng hin th thm vo trng hp ti di chuyn(to vi k t + v -) nh gi tr ca ng bao trnv di, the

value of the upper and lower envelope, ring tng ci.

Chn trng hp ti 4 ( ti trng cu trc di chuyn).

Chn hin th momen un trong kt cu vi trnghp ti trng di chuyn

Chn hin th bin dng trong kt cu vi trng hp titrng di chuyn .

Hin th s momen un v s bin dng trong ktcu. Tng t, c th hin th s khc trong hp thoiDiagrams .


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Loads menu / Select CaseComponent

LMC nt Animation

LMC nt Start

Dng (LMC nt ) v ngcng c m phng

Close

Tt la chn My Moment tronghp thoi Diagrams

Chn tab Deformation trong hpthoi DiagramsTt la chn DeformationApply

M hp thoi Case component

M hp thoiAnimation

Bt u ghi li m phng momen un v bin dng ca ktcu

Dng ghi li m phng

ng hp thoi Case component


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4.5 ng nh hng

Ti layout START ca chng trnh RSAP .

LMC trong layout RSAP chn

Structure model / Start Layout

Results menu / Advanced / InfluenceLine

M tab NTM ca hp thoiInfluence Lines , bt 2 la : Myv Fz

LMC trong trng Element v g{8}

Apply

Trong tab Nodes ca hp thoiInfluence Lines , bt 2 la chn :Ux v Uz

LMC trong trng Node v g {2}

Bt la chn Open in a new window

Apply

RMC trong hp thoi InfluenceLines ni ng nh hng hinth cho nt s 2

Add coordinates

M hp thoi Influence Lines

Chn hin th: momen un v lc ct cho trng hp ti dichuyn

Chn thanh s c hin th ng nh hng. im c vtr (bng 0.5) ngha l ng nh hng s c to choim gia ca thanh.

M thm 1 ca s hin th ng nh hng cho khi

lng chn (nhn nh hnh di)

Chn hin th chuyn v ti nt cho trng hp ti trndi chuyn .

Chn nt s hin th ng nh hng.

S ng nh hng cho nt th 2 s hin th trong 1ca s mi .

M thm 1 ca s ni ng nh hng ca khi lng chn hin th .

M menu ng cnh

Nu la chn c chn, bng b tr di s ngnh hng s hin th thm ct cha ta ca im ktcu lin tip .


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5. Ti trng di chuyn - khung 3DV d ny hng dn nh ngha, phn tch v thit k 1 khung xng thp n gin minh ha trong

hnh bn di.n v d liu: (m) and (kN).

5 trng hp ti c gn ti kt cu v 3 trong s biu din trong hnh bn di


LOAD CASE 5


bt u nh ngha kt cu chy chng trnh RSAP (n icon thch hp hoc chn t lnh trong taskbar) .Ca s m s hin th trn mn hnh, chn biu tng (Frame 3D Design),

Cui trong hng u tin.

CH : D liu tit din tiu chun Chu u (EURO) c s dng trong v d ny.


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5.1 nh ngha m hnh

nh ngha thanh kt cu

TIN TRNH THC HIN

Structure Model / Bars Layout

LMC trn trng BarType v chnColumnLMC trn trng Section v chn(IPE 600)

LMC trn trng Beginning( mu thay i sang xanh)

Nhp ta trong trng Beginningand End nh sau:(-8,0,0) (-8,0,7), Add(-8,0,7) (-8,0,14), Add

LMC trn trng BarType tronghp thoi Bars v chn BeamLMC trong trng Section v chn:(IPE 240)

LMC trong trng Beginning( mu thay i sang xanh)

Nhp im trong trng Beginningand Endnh sau:(-8,0,10) (-6,0,10), Add

LMC trong trng Bar Typetrong hp thoi Bars v chnSimple barLMC trn trng Section v chnUPN 240

LMC trong trng Beginning(mu nn i sang xanh)

Nhp im trong trng Beginningand End nh sau:(-8,0,8) (-6,0,10), Add

LMC trng Bar type trong hpthoi Bars, chn Simple barLMC trng Section , chn HEB240

LMC trng Beginning

( mu nn thay i sang xanh)

MIU T

Chn layout BARS t danh sch layouts hin th RSAP .

Chn thuc tnh ca thanh. D liu tit din tiuchun Chu u (EURO) c s dng.Ch : Nu tit din IPE 600 ko hin th trong danh sch,chn layoutSTRUCTURE MODEL / SECTION

and MATERIALS, n icon New trong hp thoiSections v thm tit din ti danh sch hin hnh.

Bt u xc nh thanh kt cu (ct kt cu)

Xc nh v tr ct kt cu.

Bt u nh ngha dm v chn thuc tnh cho n.D liu tit din Chu u (EURO) c s dng.Ch : Nu tit din IPE 240 ko hin th trong danh sch,chn theo bc trn.

Bt u nh ngha dm kt cu.

Xc nh 1 dm.

Bt u nh ngha 1 thanh thun ty v chn thuc tnhcho n. Tit din t d liu tiu chun Chu u (EURO)c s dng.

Bt u xc nh thanh thun ty trong kt cu

Xc nh 1 thanh thun ty.

Bt u xc nh thanh v gn thuc tnh cho n .CH : Nu tit din HEB 240 ko c trong danh schhin th, n nt v lmnhng bc tip theo nh bn trn.

Bt u xc nh ta thanh trong kt cu.


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Nhp ta thanh trong trngBeginningand End :(-8,0,14) (0,0,16), Add

Chn icon Zoom All t thanhcng c chun.

nh ngha gi

LMC trn trng chnStructure Model / Start Layout

Geometry menu / AdditionalAttributes / Brackets

Chn icon New Bracket .

Trong trng Length (L) nhp gi tr0.15; cc thng s cn li ko thayi

Add, Close

LMC trng Bars , chuyn sangkhung nhn hin th v chn thanhc nh ngha gn y (s 5s hin th trong trng Bars )

Apply, Close

nh ngha gi

LMC chnStructure Model / Supports Layout

Xc nh 1 thanh.

Phc hi ch xem ton mn hnh.

Chn layout u tin ca chng trnh RSAP .

M hp thoi Brackets nh ngha gi nt khung thanh kt cu .

M hp thoi New Bracket .

Xc nh di gi

Xc nh gi mi, ng hp thoi New Bracket

Chn thanh s c gn gi .

Gn gi ti thanh c chn, ng hp thoiBrackets . Kt cu c nh ngha hin th nh hnhdi.

Chn layout trong RSAP cho php nh ngha gi .


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Trong hp thoi Supports , LMCtrn trng Current Selection trongtab Nodal (con tr nhp nhytrong trng)

Chuyn sang khung hin th; nnt chut tri chn nt ct bngca s chn

T hp thoi Supports chn biutng gi ngm (icon s hinsng)

Apply

LMC chnStructure Model / Start Layout

CTRL+A

Edit menu / Edit / Vertical Mirror

Sang khung hin th v chn trcsao chp qua n (x = 0), LMC,Close

Chn icon Zoom All t thanhcng c chun.

nh ngha ti trng kt cu

LMC chnStructure Model/Loads Layout

LMC nt New trong hp thoiLoad Types .

Chn nt kt cu ni gi c xc nh.

Chn nt 1 s c nhp vo trong trng CurrentSelection .

Chn loi gi .

Chn loi gi c gn cho nt kt cu chn.

Chn layout u tin ca chng trnh RSAP .

Chn tt c cc nt v thanh.

i xng nhng thanh chn.

Xc nh trc i xng sao chp v ng hp thoiVertical Mirror .

Khi la chn ny c chn th m hnh kt cu s hin thton b .Kt cu nh ngha hin th nh hnh di.

Chn layout RSAP cho php nh ngha ti trng tcdng.

nh ngha 1 trng hp tnh ti (trong lng bn thn)vi tn chun DL1.


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LMC trong trngNature (Wind)

LMC nt NewLMC nt New

LMC trng Nature(Snow)

LMC nt New button

LMC trn trng th 2 trong ctCase ca bng Loads , chntrng hp ti th 2: WIND1 tdanh sch

LMC trn trng trong ct LoadType , chn loi ti trng (uniformload)

LMC trn trng trong ct List,chn ct tri nh cch hin th

trong khung

LMC trong ct "PX=" v g gi tr:(2.0)

LMC trn trng th 3 trong ctCase, chn trng hp ti th 3WIND1 t danh sch

LMC trn trng trong ct LoadType , chn loi ti trng (uniformload)

LMC trn trng trong ct List,chn ct hin th bn phi

LMC trn trng trong ct "PX=" vnhp gi tr: (1.5)

LMC trn trng th 4 trong ctCase, chn trng hp ti th 4:SN1 t danh sch

LMC trn trng trong ct Load

Type chn loi ti trng (uniformload)

LMC trn trng trong ct List,chn dm mi hin th

LMC trn trng trong ct " PZ=" v nhp gi tr: (-1.75)

LMC trong khung nhn View

Chn trng hp ti: wind.CH : Nu s trng hp ti ko thay i t ng, nhpbng tay s (2)Xc nh 2 trng hp ti ca gi (wind) vi tn chun:

WIND1 and WIND2.

Chn trng hp ti: snow.

nh ngha 1 trng hp ti tuyt (snow) vi tn chun SN1.

CH : Trng lng bn thn p dng cho mi loi thanhkt cu ( hng Z).

Xc nh ti trng cho trng hp ti th 2.

Chn loi ti trng.

Chn ct s gn ti trng uniform load .

Chn hng v gi tr ti phn b u.

nh ngha ti trng khc cho trng hp ti th 2.

CHn loi ti trng.

Chn thanh s gn ti trng uniform load .


Xc nh ti trng cho trng hp ti th 4.

Chn loi ti trng.

Chn thanh s c gn ti trng phn b u.



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CTRL + A

Khi trong khung nhn hin th mhnh kt cu hin hnh, chnEdit / Edit / Translate

LMC trn trn

Date post:	06-Apr-2018
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