Pad Foundation Design to Bs 81101997

Project Spreadsheets to BS 8110

Client Advisory Group Made by Date Page

Location Level -1 Base B1 RMW 8-Apr-23 113

PAD FOUNDATION DESIGN to BS 8110:1997 Checked Revision Job No

chg - R68

MATERIALS fcu 35 N/mm² h agg 20 mm 1.5 concrete

fy 460 N/mm² cover 50 mm 1.05 steel

Densities - Concrete 23.6 kN/m³ Soil 18 kN/m³

Bearing pressure 200 kN/m² (net allowable increase)

BASE COLUMNL = 3300 h = 1200B = 1800 b = 250

450ex = 0 ey = 0

Key

DEAD IMPOSED WIND

1001.0 128.0-20.0

STATUS Err:520

CORNER 1 2 3 4

no wind 198.7 186.5 198.7 186.5with wind 198.7 186.5 198.7 186.5 Efficiency

REINFORCEMENT Err:520 Err:520

Mxx = 275.0 kNm Myy = 268.0 kNm

b = 1800 mm b = 3300 mm

d = Err:520 mm d = Err:520 mm

As = Err:520 mm² As = Err:520 mm²

PROVIDE Err:520 PROVIDE Err:520As prov = Err:520 mm² As prov = Err:520 mm²

Err:520 Err:520

BEAM SHEAR Err:520 Err:520

Vxx = 329.4 kN at d from col face Vyy = 361.4 kN at d from col face

v = Err:520 N/mm² v = Err:520 N/mm²

or Vxx = 135.2 kN at 2d from col face or Vyy = 31.2 kN at 2d from col face

v = Err:520 N/mm² v = Err:520 N/mm²

vc = Err:520 N/mm² vc = Err:520 N/mm²

PUNCHING SHEAR Err:520 Err:520

d ave = Err:520 mm u crit = Err:520 mm

As prov = Err:520 % v max = Err:520 N/mm² at col face

v = Err:520 N/mm² vc = Err:520 N/mm²

REINFORCED CONCRETE COUNCIL

Single column base

Originated from RCC81.xls on CD © 1999 BCA for RCC

gc

gs

DIMENSIONS mm

depth H =

COLUMN REACTIONS kN, kNm characteristic Plot (to scale)

Axial (kN)

Mx (kNm)

My (kNm) Hx (kN)

Hy (kN)

BEARING PRESSURES kN/m² characteristicpunching

v yy

Shear v xx

(As/Asprov) fsy

Bending fsx

Grnd Brg Pressure

0% 25% 50% 75% 100% 125%

99.4%

Project Spreadsheets to BS 8110 Location Level -1 Base B1 Made by RMW Job No R68

PAD FOUNDATION DESIGN to BS 8110:1997 Single column base Date 8-Jan-99Originated from RCC81.xls on CD © 1999 BCA for RCC sheet 1 of 3

CALCULATIONS - SINGLE BASE

Gross base wt 63.08 L= 3.3 B= 1.8

CHARACTERISTIC PRESSURESG + Q G + Q + W G + W

P kN 1192.08 1192.08 OK 1064.08 Text Asx increased Mx kNm -20.00 -20.00 -20.00 Asy increased My kNm 0.00 0.00 0.00ex m -0.017 -0.017 -0.019 FS o'turn 87.78683ey m 0.000 0.000 0.000 FS o'turn 100 0

6ex/L -0.0305 -0.0305 -0.0342if ex>L/6 1.3470 1.3470 1.3487 Rebar ares Area Dia

k 2-4 0.9695 0.9695 0.9658 50.3 8k 1-3 1.0305 1.0305 1.0342 78.5 10

6ey/B 0.0000 0.0000 0.0000 113.1 12if ey>B/6 1.3333 1.3333 1.3333 201.1 16

k 1-2 1.0000 1.0000 1.0000 314.2 20k 3-4 1.0000 1.0000 1.0000 490.9 25

P/A kN/m² 200.69 200.69 179.14 804.2 32corner 1 kN/m² 206.81 206.81 185.26 Gross 1256.6 40corner 2 kN/m² 194.57 194.57 173.02 Grosscorner 3 kN/m² 206.81 206.81 185.26 Grosscorner 4 kN/m² 194.57 194.57 173.02 Gross

ULTIMATE PRESSURES1.4G+1.6Q 1.2(G+Q+W) 1.0G+1.4W

N kN 1694.52 1430.50 OK 1089.32Mx kNm -28.00 -24.00 -20.00My kNm 0.00 0.00 0.00ex m -0.017 -0.017 -0.018 FS o'turn 89.86856ey m 0.000 0.000 0.000 FS o'turn 100 0

6ex/L -0.0300 -0.0305 -0.0334if ex>L/6 1.3468 1.3470 1.3483

k 2-4 0.9700 0.9695 0.9666k 1-3 1.0300 1.0305 1.0334

6ey/B 0.0000 0.0000 0.0000if ey>B/6 1.3333 1.3333 1.3333

k 1-2 1.0000 1.0000 1.0000k 3-4 1.0000 1.0000 1.0000

N/L kN/m 513.49 433.48 330.10edge 2-4 kN/m 498.06 420.26 319.08edge 1-3 kN/m 528.92 446.71 341.12

N/B kN/m 941.40 794.72 605.18edge 1-2 kN/m 941.40 794.72 605.18edge 3-4 kN/m 941.40 794.72 605.183(L/2-ex) m 4.900 4.900 4.8953(B/2-ey) m 2.700 2.700 2.700

XX MOMENTS 1.4G+1.6Q 1.2(G+Q+W) 1.0G+1.4W

LEFT RIGHT LEFT RIGHT LEFT RIGHT

from right m 2.250 1.050 3.11.2.2

from left m 1.050 2.250 3.11.2.2

to zero press m 3.850 3.850 3.850 3.850 3.845 3.845local press kN/m 519.10 507.88 438.29 428.68 334.10 326.09

M1 kNm 289.8 276.4 244.7 233.2 186.8 177.2M2 kNm 1282.7 1255.0 1082.6 1058.8 823.2 803.5

choose M kNm 275.0 261.6 232.1 220.6 176.2 166.6Design Mxx kNm 275.0

XX SHEARS @ d from col facefrom right m 2.640 0.660 3.4.5.10

from left m 0.660 2.640 3.4.5.8


V1 kN 347.0 330.8 293.1 279.1 223.7 212.0V2 kN 1108.3 1069.1 935.7 902.1 713.0 685.0

choose V kN 329.4 313.1 277.9 264.0 211.1 199.4Design Vxx kN 329.4

@ 2d from col facefrom right m 3.030 0.270 3.4.5.10

from left m 0.270 3.030 3.4.5.8


V1 kN 142.5 134.8 120.3 113.8 91.9 86.4V2 kN 1218.7 1159.0 1029.0 977.8 784.6 742.0

choose V kN 135.2 127.6 114.1 107.6 86.7 81.2

Design Vxx kN 135.2



YY MOMENTSfrom top m 1.025 0.775 3.11.2.2

from btm m 0.775 1.025 3.11.2.2


M1 kNm 282.7 282.7 238.7 238.7 181.7 181.7M2 kNm 581.4 581.4 490.8 490.8 373.8 373.8

choose M kNm 268.0 268.0 226.0 226.0 171.2 171.2Design Myy kNm 268.0

YY SHEARS @ d from col facefrom top m 1.395 0.405 3.4.5.10

from btm m 0.405 1.395 3.4.5.8


V1 kN 381.3 381.3 321.9 321.9 245.1 245.1V2 kN 1080.3 1080.3 911.9 911.9 694.4 694.4

choose V kN 361.4 361.4 304.8 304.8 230.9 230.9Design Vyy kN 361.4

@ 2d from col facefrom top m 1.765 0.035 3.4.5.10

from btm m 0.035 1.765 3.4.5.8


V1 kN 32.9 32.9 27.8 27.8 21.2 21.2V2 kN 1254.4 1254.4 1059.0 1059.0 806.4 806.4

choose V kN 31.2 31.2 26.3 26.3 20.0 20.0Design Vyy kN 31.2

REINFORCEMENT min As 0.13%X-X Y-Y

b mm 1800 choose dia 3300 choose dia

dia mm Err:520 20 Err:520 20

d mm Err:520 390 Err:520 370

K' 0.1558 0.1558K Err:520 0.0287 Err:520 0.0169

z mm Err:520 Err:520 Err:520 Err:520 PunchingAs mm² Err:520 Err:520 Err:520 Err:520 0.00054 Err:520

As shear mm² Err:520 Err:520 Err:520 Err:520 As X Err:520 Err:520

required mm² Err:520 Err:520 Err:520 Err:520 As Y Err:520 Err:520

No Err:520 6.17 Err:520 Err:520 Err:520 Err:520

ave centres mm Err:520 325 Err:520 325 As X Err:520 Err:520

As prov mm² Err:520 Err:520 As Y Err:520 Err:520

= % Err:520 Err:520Lc mm 900 1650

Lc max mm Err:520 Err:520 Err:520 Err:520b central mm Err:520 Err:520

Final centres mm Err:520 Err:520

BEAM SHEARv @ d N/mm² Err:520 0.4692 Err:520 0.2960

v @ 2d N/mm² Err:520 0.1927 Err:520 0.0256

vc N/mm² Err:520 Err:520 Err:520 Err:520

As enhanced % Err:520 Err:520 Err:520 Err:520

PUNCHING SHEARd ave mm Err:520 .5 x d ave Err:520 380

L R B T 570

to edges mm 1650 1650 900 900 Err:520to 1.5d per mm Err:520 Err:520 Err:520 Err:520 Err:520

standard perimeter? Y,N Err:520 Err:520 Err:520 Err:520 Err:520 1170 1170

U mm Err:520 Err:520 Err:520 Err:520 695

within base? Y,N Err:520 Err:520 Err:520 Err:520 Err:520 Err:520 1 1 1

perimeter falls Err:520U crit mm Err:520 7460

Area m² Err:520 3.253

As prov % Err:520vc N/mm² Err:520

1.4G+1.6Q 1.2(G+Q+W) 1.0G+1.4W

N kN 1694.5 1430.5 1089.3v max N/mm² Err:520 Err:520 Err:520 Err:520 Err:520 Err:520 2 1 1

ave press kN/m² 285.27 240.82 183.39V kN Err:520 Err:520 Err:520 766.6 647.2 492.8

v N/mm² Err:520 Err:520 Err:520 Err:520 Err:520 Err:520 0.2704 0.2283 0.1739

ave r

ave r



SIZING TIPS Net press = 197.5

G + Q G + Q + W G + W

N kN 1129.0 1129.0 1001.0Mx kNm -20.0 -20.0 -20.0My kNm 0.0 0.0 0.0ex m -18 -18 -20ey m 0 0 0

min A m² 5.72 4.57 4.06min L mm 1200min B mm 250

sq base iteration 0 2.391 2.391 2.2510 0 0

-120 -120 -120sq base iteration 1 4.782 4.782 4.503

16197 16197 1352216077 16077 13402

sq base iteration 2 2.438 2.438 2.303110 110 106-10 -10 -14

sq base iteration 3 2.442 2.442 2.308118 118 118-2 -2 -2

SQUARE SIZE L & B mm 2442 2442 2309 2445 SQif L = 3300

331 331 292B mm 1677 1341 1184 or 3300 x 1680

if B = 1800627 627 556

L mm 3066 2430 2126 or 3070 x 1800

F/S OVERTURNING <1.5OVERTURNS at ULTIMATE

695

1

Project Spreadsheets to BS 8110

Client Advisory Group Made by Date Page

Location Base B3/B4 Combined base RMW 8-Apr-23 114

PAD FOUNDATION DESIGN to BS 8110:1997 Checked Revision Job No

Originated from RCC81.xls on CD © 1999 BCA for RCC chg - R68

MATERIALS fcu 35 N/mm² h agg 20 mm 1.5 steel

fy 460 N/mm² cover 50 mm 1.05 concrete

Densities - Concrete 23.6 kN/m³ Soil 18 kN/m³

Bearing pressure 125 kN/m² (net allowable)

DEAD IMPOSED WIND DEAD IMPOSED WIND

Axial 225.0 225.0 112.5 Axial 225.0 225.0 112.5Mx MxMy My 50.0Hx HxHy Hy 25.0

BASE

L = 3000 h1 = 300 h2 = 300B = 3000 b1 = 300 b2 = 300

750300 ex1 = 150 ex2 = 1501000 ey1 = 500 ey2 = 500

STATUS Err:520

CORNER 1 2 3 4

no wind 104.2 104.2 104.2 104.2with wind 144.5 144.5 113.9 113.9

REINFORCEMENT405.0 kNm Myy - 251.7

b = 3000 mm b = 3000d = Err:520 mm d = Err:520

As = Err:520 mm² As = Err:520

Err:520 Err:520 Efficiency'

As prov = Err:520 mm² As prov = Err:520Err:520 Err:520

0.0 kNm Myy + Err:520d = Err:520 mm d = Err:520

As = Err:520 mm² As = Err:520

Err:520 Err:520As prov = Err:520 mm² As prov = Err:520

Err:520 Err:520

BEAM SHEAR Err:520 Err:520 Mx Diagram

Vxx = Err:520 kN at d Vyy = Err:520v = Err:520 N/mm² v = Err:520

or Vxx = Err:520 kN at 2d or Vyy = Err:520v = Err:520 N/mm² v = Err:520

vc = Err:520 N/mm² vc = Err:520

PUNCHING SHEAR Err:520 Err:520

d ave = Err:520 mm u crit = Err:520 mm

REINFORCED CONCRETE COUNCIL

gc

gs

COLUMN REACTIONS kN, kNm characteristic

Column 1 (rhs) Column 2 (lhs)

DIMENSIONS mmCOLUMN 1 (rhs) COLUMN 2 (lhs)

depth H =Sex =Sey =

PLOT (to scale)

BEARING PRESSURES kN/m² characteristic

Btm Mxx -

Top Mxx +

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5

-450-400-350-300-250-200-150-100-50

0

Moment Columns Zero axis

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5

-250

-200

-150

-100

-50

0

punching

v yy

Shear v xx

(As/Asprov) fsy

Bending fsx

Grnd Brg Pressure

0% 133%

92.5%

document.xls 06:29:51 04/08/2023 10

Project Spreadsheets to BS 8110 Location Base B3/B4 Made by RMW Job No R68

PAD FOUNDATION DESIGN to BS 8110:1997 Combined base Date 8-Apr-23Originated from RCC81.xls on CD © 1999 BCA for RCC sheet 1 of 5

CALCULATIONS - DOUBLE BASE

Gross base wt 159.30 L= 3.00 B= 3.00

CHARACTERISTIC PRESSURESG + Q G + Q + W G + W

N1 kN 450.0 562.5 337.5 Dims clear x

N2 kN 450.0 562.5 337.5 clear y

Total N kN 1059.3 1284.3 OK 834.3Mx1 kNm 67.5 84.4 50.6 Rebar areas AreaMx2 kNm -67.5 -84.4 -50.6 50.3

Total Mx kNm 0.0 0.0 0.0 78.5ex m 0.000 0.000 0.000 FS o'turn 100 113.1

My1 kNm 225.0 281.3 168.8 201.1My2 kNm -225.0 -212.5 -100.0 314.2

Total My kNm 0.0 68.8 68.8 490.9ey m 0.000 0.054 0.082 FS o'turn 18.20291 0 804.2

6ex/L 0.0000 0.0000 0.0000 1256.6if ex>L/6 1.3333 1.3333 1.3333

k 2-4 1.0000 1.0000 1.0000 Suggested values for 'e'k 1-3 1.0000 1.0000 1.0000 N = 900.0

6ey/B 0.0000 0.1071 0.1648 Mx = 0 My =if ey>B/6 1.3333 1.3827 1.4108 ex' = 0 ey' =

k 1-2 1.0000 1.1071 1.1648 300k 3-4 1.0000 0.8929 0.8352 ex1 ex2 ey1

N/A kN/m² 117.70 142.70 92.70 150 150 500corner 1 kN/m² 117.70 157.98 107.98 Grosscorner 2 kN/m² 117.70 157.98 107.98 Grosscorner 3 kN/m² 117.70 127.42 77.42 Gross Text Asx increased corner 4 kN/m² 117.70 127.42 77.42 Gross Asy increased

ULTIMATE PRESSURES1.4G+1.6Q 1.2(G+Q+W) 1.0G+1.4W

N1 kN 675.0 675.0 382.5N2 kN 675.0 675.0 382.5

Total N kN 1573.0 1541.2 OK 924.3Mx1 kNm 0.0 0.0 0.0Mx2 kNm 0.0 0.0 0.0

kNm 0.0 0.0 0.0My1 kNm 0.0 0.0 0.0My2 kNm 0.0 82.5 96.3

kNm 0.0 82.5 96.3ex m 0.000 0.000 0.000 FS o'turn 100ey m 0.000 0.054 0.104 FS o'turn 14.40468 0

6ex/L 0.0000 0.0000 0.0000if ex>L/6 1.3333 1.3333 1.3333

k 2-4 1.0000 1.0000 1.0000k 1-3 1.0000 1.0000 1.0000

6ey/B 0.0000 0.1071 0.2083if ey>B/6 1.3333 1.3827 1.4328

k 1-2 1.0000 1.1071 1.2083k 3-4 1.0000 0.8929 0.7917

N/L kN/m 524.34 513.72 308.10edge 2-4 kN/m 524.34 513.72 308.10edge 1-3 kN/m 524.34 513.72 308.10

N/B kN/m 524.34 513.72 308.10edge 1-2 kN/m 524.34 568.72 372.27edge 3-4 kN/m 524.34 458.72 243.933(L/2-ex) m 4.500 4.500 4.5003(B/2-ey) m 4.500 4.339 4.188

XX MOMENTS 1.4G+1.6Q 1.2(G+Q+W) 1.0G+1.4W

Column 1 LEFT RIGHT LEFT RIGHT LEFT RIGHT

from right m 1.500 1.200 3.11.2.2

from left m 1.500 1.800 3.11.2.2


M1 kNm 589.9 377.5 577.9 369.9 346.6 221.8M2 kNm 0.0 -471.9 0.0 -462.3 0.0 -277.3

add kNm -101.3 -101.3 -57.4choose M kNm 405.0 324.0 405.0 324.0 229.5 183.6

Column 2from right m 1.800 1.500 3.11.2.2

from left m 1.200 1.500 3.11.2.2


M1 kNm 377.5 589.9 369.9 577.9 221.8 346.6

Sex = Sey =

SMx

SMy

document.xls 06:29:51 04/08/2023 11

M2 kNm -471.9 0.0 -462.3 0.0 -277.3 0.0add kNm -101.3 -101.3 -57.4

choose M kNm 324.0 405.0 324.0 405.0 183.6 229.5Design Mxx+ kNm 405.0

document.xls 06:29:51 04/08/2023 12

BETWEENclear span m 0.000

End V kN 0.0 0.0 0.0 0.0 0.0 0.0local press kN/m Err:520 Err:520 Err:520 Err:520 Err:520 Err:520

quad a Err:520 Err:520 Err:520 Project Spreadsheets to BS 8110if ex<=L/6 m Err:520 Err:520 Err:520 Location Base B3/B4

quad a Err:520 Err:520 Err:520 Err:520 Err:520 Err:520 PAD FOUNDATION DESIGN to BS 8110:1997 Combined baseotherwise m 0.000 Err:520 0.000 Err:520 0.000 Err:520 Originated from RCC81.xls on CD

choose X bar m Err:520 Err:520 Err:520 Made by RMW Job No R68

from left/right m Err:520 Err:520 Err:520 Err:520 Err:520 Err:520 Date 8-Apr-23

local press kN/m Err:520 Err:520 Err:520M1 kNm Err:520 Err:520 Err:520M2 kNm Err:520 Err:520 Err:520

choose M kNm 0.0 0.0 0.0Design Mxx- kNm 0.0

XX SHEARS 1.4G+1.6Q 1.2(G+Q+W) 1.0G+1.4W

Column 1 @ d LEFT RIGHT LEFT RIGHT LEFT RIGHT

from right m Err:520 Err:520 3.4.5.10

from left m Err:520 Err:520 3.4.5.8

to zero press m Err:520 Err:520 Err:520 Err:520 Err:520 Err:520local press kN/m Err:520 Err:520 Err:520 Err:520 Err:520 Err:520

V1 kN Err:520 Err:520 Err:520 Err:520 Err:520 Err:520V2 kN 1573.0 1573.0 1541.2 1541.2 924.3 924.3

add kN -675.0 -675.0 -382.5choose V kN 0.0 Err:520 0.0 Err:520 0.0 Err:520

@ 2d from col facefrom right m Err:520 Err:520 3.4.5.10




add kN -675.0 -675.0 -382.5choose V kN 0.0 Err:520 0.0 Err:520 0.0 Err:520Column 2 @ d from col facefrom right m Err:520 Err:520 3.4.5.10




add kN -675.0 -675.0 -382.5choose V kN Err:520 0.0 Err:520 0.0 Err:520 0.0

Design Vxx (d) kN Err:520@ 2d from col face

from right m Err:520 Err:520 3.4.5.10




add kN -675.0 -675.0 -382.5choose V kN Err:520 0.0 Err:520 0.0 Err:520 0.0

Design Vxx (2d) kN Err:520

YY MOMENTS 1.4G+1.6Q 1.2(G+Q+W) 1.0G+1.4W

Column 1 LEFT RIGHT LEFT RIGHT LEFT RIGHT

from top m 1.150 0.850 3.11.2.2

from btm m 1.850 2.150 3.11.2.2


M1 kNm 897.3 189.4 823.7 201.7 462.6 130.1M2 kNm 550.6 -1022.5 823.7 -919.3 462.6 -504.5


Column 2from top m 2.150 1.850 3.11.2.2

from btm m 0.850 1.150 3.11.2.2


M1 kNm 189.4 897.3 169.5 934.5 92.5 591.9M2 kNm -1022.5 550.6 169.5 621.9 92.5 419.8


Design Mxx+ kNm 251.7

document.xls 06:29:51 04/08/2023 13

BETWEENclear span m 0.700

End V kN Err:520 Err:520 Err:520 Err:520 Err:520 Err:520 Spreadsheets to BS 8110

local press kN/m Err:520 Err:520 Err:520 Err:520 Err:520 Err:520 Base B3/B4

quad a Err:520 Err:520 Err:520 PAD FOUNDATION DESIGN to BS 8110:1997 Combined base

if ex<=L/6 m Err:520 Err:520 Err:520 Originated from RCC81.xls on CD © 1999 BCA for RCC

quad a Err:520 Err:520 Err:520 Err:520 Err:520 Err:520otherwise m 0.000 Err:520 0.000 Err:520 0.000 Err:520 Made by RMW Job No R68

choose X bar m Err:520 Err:520 Err:520 Date 8-Apr-23

from left/right m Err:520 Err:520 Err:520 Err:520 Err:520 Err:520local press kN/m Err:520 Err:520 Err:520

M1 kNm Err:520 Err:520 Err:520M2 kNm Err:520 Err:520 Err:520

choose M kNm Err:520 Err:520 Err:520Design Myy- kNm Err:520

YY SHEARS 1.4G+1.6Q 1.2(G+Q+W) 1.0G+1.4W

Column 1 @ d LEFT RIGHT LEFT RIGHT LEFT RIGHT

from top m Err:520 Err:520 3.4.5.10

from btm m Err:520 Err:520 3.4.5.8


V1 kN Err:520 Err:520 Err:520 Err:520 Err:520 Err:520V2 kN 1573.0 1573.0 Err:520 1541.2 Err:520 924.3

add kN -675.0 -675.0 -382.5choose V kN Err:520 Err:520 Err:520 Err:520 Err:520 Err:520

@ 2d from col facefrom top m Err:520 Err:520 3.4.5.10

from btm m Err:520 Err:520 3.4.5.8



add kN -675.0 -675.0 -382.5choose V kN Err:520 Err:520 Err:520 Err:520 Err:520 Err:520Column 2 @ d from col facefrom right m Err:520 Err:520 3.4.5.10





Design Vyy (d) kN Err:520@ 2d from col face

from right m Err:520 Err:520from left m Err:520 Err:520




Design Vyy (2d) kN Err:520

REINFORCEMENT min As 0.13%Bottom steel X-X Y-Y

b mm 3000 choose dia 3000 choose dia Err:520

dia mm Err:520 20 Err:520 20

d mm Err:520 690 Err:520 Err:520

K' 0.1558 0.1558K Err:520 0.0081 Err:520 Err:520 X-X Y-Y

z mm Err:520 Err:520 Err:520 Err:520 Min 0.13%bd Err:520 Err:520

As mm² Err:520 Err:520 Err:520 Err:520 As as as % Err:520 Err:520

As shear mm² Err:520 Err:520 Err:520 Err:520

required mm² Err:520 Err:520 Err:520 Err:520

No Err:520 9.86 Err:520 Err:520

ave centres mm Err:520 325 Err:520 Err:520

As prov mm² Err:520 Err:520= % Err:520 Err:520 Err:520 Err:520 Err:520 Err:520

Lc mm 1000 1350 3.11.1

Lc max mm Err:520 Err:520 Err:520 Err:520 3.11.3.2

b central mm Err:520 Err:520Final centres mm Err:520 Err:520

document.xls 06:29:51 04/08/2023 14

Top steel X-X Y-Y

b mm 3000 choose dia 3000 choose dia

dia mm Err:520 20 Err:520 20 Spreadsheets to BS 8110

d mm Err:520 690 Err:520 Err:520 Base B3/B4

K' 0.1558 0.1558 PAD FOUNDATION DESIGN to BS 8110:1997 Combined base

K Err:520 0.0000 Err:520 Err:520 Originated from RCC81.xls on CD © 1999 BCA for RCC

z mm Err:520 Err:520 Err:520 Err:520 Made by RMW Job No R68

As mm² Err:520 Err:520 Err:520 Err:520 Date 8-Apr-23

As shear mm² Err:520 Err:520required mm² Err:520 Err:520 Err:520 Err:520 Err:520 Err:520

No Err:520 9.86 Err:520 Err:520 Err:520 Err:520

ave centres mm Err:520 325 Err:520 Err:520 Err:520 Err:520

As prov mm² Err:520 Err:520= % Err:520 Err:520 Err:520 Err:520 Err:520 Err:520

Lc mm 1000 1350 3.11.1

Lc max mm Err:520 Err:520 Err:520 Err:520 3.11.3.2

b central mm Err:520 Err:520Final centres mm Err:520 Err:520

BEAM SHEARv @ d N/mm² Err:520 Err:520 Err:520 Err:520

v @ 2d N/mm² Err:520 Err:520 Err:520 Err:520

vc N/mm² Err:520 Err:520 Err:520 Err:520

As enhanced % Err:520 Err:520 Err:520 Err:520 Err:520

PUNCHING SHEAR Err:520

d ave mm Err:520 .5 x d ave Err:520As prov % Err:520

vc N/mm² Err:520COLUMN 1 L R B T


standard perimeter? Y,N Err:520 Err:520 Err:520 Err:520 Err:520U mm Err:520 Err:520 Err:520 Err:520

within base? Y,N Err:520 Err:520 Err:520 Err:520 Err:520 Err:520perimeter falls Err:520

U crit mm Err:520Area m² Err:520

1.4G+1.6Q 1.2(G+Q+W) 1.0G+1.4W

N kN 675.0 675.0 382.5v max N/mm² Err:520 Err:520 Err:520 Err:520 Err:520 Err:520

ave press kN/m² 174.78 174.30 106.26V kN Err:520 Err:520 Err:520v N/mm² Err:520 Err:520 Err:520 Err:520 Err:520 Err:520 Err:520

COLUMN 2 L R B T





1.4G+1.6Q 1.2(G+Q+W) 1.0G+1.4W

N kN 675.0 675.0 382.5v max N/mm² Err:520 Err:520 Err:520 Err:520 Err:520 Err:520

ave press kN/m² 174.78 168.18 99.14V kN Err:520 Err:520 Err:520v N/mm² Err:520 Err:520 Err:520 Err:520 Err:520 Err:520 Err:520

COMBINED L R B T





1.4G+1.6Q 1.2(G+Q+W) 1.0G+1.4W

N kN 1573.0 1541.2 924.3ave press kN/m² 174.78 171.24 102.70

V kN Err:520 Err:520 Err:520v N/mm² Err:520 Err:520 Err:520 Err:520 Err:520 Err:520 Err:520

document.xls 06:29:51 04/08/2023 15

SIZING TIPS Net press = 120.8G + Q G + Q + W G + W

N kN 900.0 1125.0 675.0Mx kNm 0.0 0.0 0.0 Spreadsheets to BS 8110

My kNm 0.0 68.8 68.8 Base B3/B4

ex m 0 0 0 PAD FOUNDATION DESIGN to BS 8110:1997 Combined base

ey m 0 61 102 Originated from RCC81.xls on CD © 1999 BCA for RCC

min A m² 7.45 7.45 4.47min L mm 600 Made by RMW Job No R68

1500 1875 1125 Date 8-Apr-23

12417 12774 8018min B mm 1300

692 1109 7635731 7347 5055

MINIMUM SIZE L mm 5731 7347 5055B mm 1300 1300 1300 5735 x 1300

if L = 3000300 375 225

B mm 2483 2808 1956 3000 x 2810if B = 3000

300 421 271L mm 2483 2787 1794 2790 x 3000

document.xls 06:29:51 04/08/2023 16

0700

Dia8

10121620253240

Suggested values for 'e'

001000

ey2500

Asx increased Asy increased

document.xls 06:29:51 04/08/2023 17

PAD FOUNDATION DESIGN to BS 8110:1997 Combined base

Originated from RCC81.xls on CD sheet 2 of 5

document.xls 06:29:51 04/08/2023 18



sheet 3 of 5

for punching

document.xls 06:29:51 04/08/2023 19



sheet 4 of 5+M138

for punching

document.xls 06:29:51 04/08/2023 20



sheet 5 of 5+M237

document.xls 06:29:51 04/08/2023 21

Project Spreadsheets to BS 8110 Location Base B3/B4 AND Level -1 Base B1 Made by RMW Job No R68

PAD FOUNDATION DESIGN to BS 8110:1997 Date 8-Apr-23Originated from RCC81.xls on CD © 1999 BCA for RCC sheet 1 of 2

For Graphs

SINGLE PAD USAGE DOUBLE PAD USAGE

punching Err:520 punching Err:520v yy Err:520 v yy Err:520

Err:520 Err:520Err:520 Err:520Err:520 Err:520

Grnd Brg Pressure 99.4% Grnd Brg Pressure 92.5%

Mx DIAGRAM 74.3 diff 0.0 length 3.000 1.4 diff col MLeft 2L c/l 2R 0.000 0.0

distance 0.000 0.120 0.240 0.360 0.480 0.600 0.720 0.840 0.960 1.080 1.200 1.350 1.500 1.500 1.500 1.500pressure 524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3press M 0.0 3.2 13.0 29.2 51.8 81.0 116.6 158.8 207.4 262.4 506.3 506.3 506.3Col M 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 101.2 101.2 101.2

M 0.0 -3.2 -13.0 -29.2 -51.8 -81.0 -116.6 -158.8 -207.4 -262.4 -324.0 -364.5 -405.0 -405.0 -405.0 -405.0Base 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

1.2 1.2 1.5 1.5 1.5 1.5 1.8 1.80.0 -405.0 0.0 -405.0 0.0 -405.0 0.0 -405.0

My DIAGRAM 74.3 diff 0.0 length 3.000 1.0 diff col MLeft 2L c/l 2R 0.070 0.0

distance 0.000 0.085 0.170 0.255 0.340 0.425 0.510 0.595 0.680 0.765 0.850 1.000 1.150 1.220 1.290 1.360pressure 524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3press M 0.0 1.6 6.5 14.6 26.0 40.6 58.5 79.7 104.0 131.7 334.9 374.4 416.2Col M 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 148.5 195.8 243.0

M 0.0 -1.6 -6.5 -14.6 -26.0 -40.6 -58.5 -79.7 -104.0 -131.7 -162.6 -179.4 -196.3 -186.4 -178.7 -173.20.9 0.9 1.2 1.2 1.9 1.9 2.2 2.20.0 -196.3 0.0 -196.3 0.0 -196.3 0.0 -196.3

Shear v xx Shear v xx

(As/Asprov) fsy (As/Asprov) fsy

Bending fsx Bending fsx

document.xls 06:29:51 04/08/2023 22

Project Spreadsheets to BS 8110 Location Base B3/B4 AND Level -1 Base B1 Made by RMW Job No R68

PAD FOUNDATION DESIGN to BS 8110:1997 Date 8-Apr-23Originated from RCC81.xls on CD © 1999 BCA for RCC sheet 2 of 2

For Graphs

2L c/l 2R 1L 1R1.200 1.350 1.500 1.500 1.800 1.7 diff col M-324.0 -364.5 -405.0 -405.0 -324.0 1L 1R 0.120 0.0 Right

1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.800 1.920 2.040 2.160 2.280 2.400 2.520 2.640 2.760 2.880 3.000524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3506.3 506.3 506.3 506.3 506.3 506.3 829.4 936.4 1049.8 1169.6 1296.0 1428.8 1568.2 1714.0 1866.2 0.0101.2 101.2 101.2 101.2 101.2 101.2 567.0 729.0 891.0 1053.0 1215.0 1377.0 1539.0 1701.0 1863.0 0.0-405.0 -405.0 -405.0 -405.0 -405.0 -405.0 -405.0 -324.0 -262.4 -207.4 -158.8 -116.6 -81.0 -51.8 -29.2 -13.0 -3.2 0.0

0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

2L c/l 2R 1L 1R0.850 1.000 1.150 1.850 2.150 2.0 diff col M-162.6 -179.4 -196.3 -196.3 -162.6 1L 1R 0.085 0.0 Right

1.430 1.500 1.570 1.640 1.710 1.780 1.850 2.150 2.235 2.320 2.405 2.490 2.575 2.660 2.745 2.830 2.915 3.000524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3 524.3460.1 506.3 554.6 605.2 657.9 712.9 1123.9 1211.0 1301.4 1395.0 1491.9 1592.0 1695.4 1802.0 1911.9 0.0290.3 337.5 384.8 432.0 479.3 526.5 992.2 1107.0 1221.7 1336.5 1451.2 1566.0 1680.7 1795.5 1910.2 0.0-169.9 -168.8 -169.9 -173.2 -178.7 -186.4 -196.3 -162.6 -131.7 -104.0 -79.7 -58.5 -40.6 -26.0 -14.6 -6.5 -1.6 0.0

Single

Double

RCC81 Foundation Pads.xls

Disclaimer

Status of spreadsheet

Public release version.

Date Version

06-Aug-99 RCC81 v1.0

09-Aug-99 RCC81 v1.0a

All advice or information from the British Cement Association and/or Reinforced Concrete Council is intended for those who will evaluate the significance and limitations of its contents and take responsibility for its use and application. No liability (including that for negligence) for any loss resulting from such advice or information is accepted by the BCA, RCC or their subcontractors, suppliers or advisors. Users should note that all BCA software and publications are subject to revision from time to time and should therefore ensure that they are in possession of the latest version.

This spreadsheet should be used in compliance with the accompanying publication 'Spreadsheets for concrete design to BS 8110 & EC2' available from British Cement Association, Telford Avenue, Crowthorne, Berkshire RG45 6YS.

Revision history RCC81 Foundation Pads

Action

438

Correction to recommended e's in DOUBLE (RW) 438

All advice or information from the British Cement Association and/or Reinforced Concrete Council is intended for those who will evaluate the significance and limitations of its contents and take responsibility for its use and application. No liability (including that for negligence) for any loss resulting from such advice or information is accepted by the BCA, RCC or their subcontractors, suppliers or advisors. Users should note that all BCA software and publications are subject to revision from time to time and should therefore ensure that they are in possession of the latest

This spreadsheet should be used in compliance with the accompanying publication 'Spreadsheets for concrete design to BS 8110 & EC2' available from British Cement Association, Telford Avenue, Crowthorne, Berkshire RG45 6YS.

Revision history RCC81 Foundation Pads

Size (kB)

First public release. Includes b version comments

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