Post on 06-Jul-2018
transcript
8/18/2019 Masela LNG Stress Analysis
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For Masela LNG PJ
Piping Stress Analysis
Review and Support
Piping Sunada
28th-Feb-’14
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Visit Purpose:
1.Revie !or "nderstanding o!
Spe#i!i#ation and $nterna% Pro#edure
2.&ngineering Revie !or Piping Stress
'na%(sis or) in *ase%a Pro+e#t
3.Stress 'na%(sis Revie !or ,*R/*R#ir#uit
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$n this session:
Suar( o! Point
o support (ou0 advi#e0 share ideas
and in!oration hi#h $ !ound to so%ve
the prob%e
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,e%% one.
ood "nderstanding o!
Spe#i!i#ation and $nterna%
Pro#edure.
$nput0 isp%a#eent0 '##e%eration0
oad obination is #orre#t%(in#orporated into Stress 'na%(sis
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*ase%a P is F&& stage.
,e have to #op%ete 156 stress
#a%#u%ations be!ore &nd-'pri%
*an( ata is not 'vai%ab%e
7oever0 it’s our engineering.
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$! e need to #onsider the detai%s0&P$ stage a( be a%so a##eptab%e
he iportant is9&p%ain the reason;
9&p%ain the situation;
9&p%ain the p%an to so%ve;
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Stru#ture e!%e#tion
1. SR '##. Sagging/7ogging
2. SR '##. 7ori=onta% isp%a#eent
3. ,ave *otion Sagging/7ogging
4. ,ave *otion isp%a#eent
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F? Stress 'na%(sis
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Stress 'na%(sis in F? is di!!i#u%t
@ Pipe ead ,eight
@ hera% &!!e#t A7ot and o%dB@ ,ave '##e%erations
@ SR e!%e#tion
@ 7u%% *otion due to ,ave⇒ P%ease a)e it #%ear hat the
a+or e!!e#t is in piping s(ste⇒ he#) ea#h e!!e#t one b( one⇒ $! thera% is a a+or prob%e0 (ou
shou%d so%ve it at !irst.
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he resu%t is 255C.
, @ P @ DDC@ '## DDC
@ e! DDC
@ ,ind DDC
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?E& &V'"'$E?
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'%%oab%e For#e and *oent
Fo%%o the #urrent a%%oab%e evenit’s not sure
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Vesse% &GP ?o==%e
Support !ro &GP 's u#h aspossib%e
Reboi%er as e%%
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Printed ir#uit 7& Hotto ?o==%e e%ete Fied Side
Printed ir#uit 7& op ?o==%e 'n#hor near the no==%e
IJ onsider ho to inii=e oent
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Pup
Support !ro the sae &’s
additiona% SR an be Sae isp%a#eent
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,ater Pup/ P%ate 7&
r( to provide an#hor near the
no==%e
1
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opressor
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opressor
$gnore SR disp%a#eent at this
tie0 sin#e e don’t )no no==%e
disp%a#eent and an( in!o et#
etai%ed a%#u%ation ReK’d be!ore&P$
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SR&SS &V'"'$E?
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H%ast
hi#)er Fitting Aee and &%boB
#an be proposed as stress reK’d
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PSV arrange and F%are 7eader
hi#)er Fitting Aee0 &%bo0
runnion0 Redu#erB #an be
proposed as stress reK’d
Stopper a!ter PSV
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oing 'na%(sis
Lou don’t need to do an( ore
!ro no
"pdate Pro#edureM
Epe #ase is govern #ase
Spring setting #an be de#ided in
&P$ stage
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'dditiona%%(0
- Lou #an !ee% sure o! (our tea.
- is#uss i! (ou !a#e an( di!!i#u%ties
- Spea) %oud an( ties Aever(one is
bus(B
- &p%ain hat and h(
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