trestle foundations-tr-9 raft

8/18/2019 Trestle foundations-TR-9 raft

1/15

Project

Doc Title

ADITIONAL COAL HANDLING PLANT FOR KAKATIYA THERMAL POWER PROJECT

STAGE-I & II, WARANGAL.

GENERAL DATA

DESIGN OF FOUNDATIONS FOR CONV BCN 31


2/15

Project

R KAKATIYA THERMAL POWER PROJECT STAGE-I & II, WARANGAL.

Doc Title

For Footing design: Reactions from TR9f-frameStd

Horizontal Vertical Horizontal Moment

Node L/C Force-X Mto Force-Y Mton Force-Z Mt Momen Moment-Moment-Z MTon-m

5 201 -3 39.5 -3.9 -15.6 0 12

202 -13.9 -26.4 -9.4 -37.6 0 55.8

203 -13.4 -18.6 -8.5 -34.1 0 53.5

204 7.2 78.2 -7.5 -29.9 0 -29

205 -13.1 85.9 -8.3 -33.1 0 52.6

206 -5.1 0.7 -12.7 -50.7 0 20.6

207 -4.6 8.6 -11.9 -47.5 0 18.3208 -4 53.7 -10.9 -43.7 0 16.1

209 -4.6 61.5 -11.8 -47.2 0 18.3

210 -7.1 66.3 -6.4 -25.8 0 28.6

211 -7.1 3.6 -6.4 -25.8 0 28.6

212 -3.9 47.1 -6 -23.8 0 15.4

213 -3.9 22.8 -6 -23.8 0 15.4

214 -15.4 -59.8 -9.2 -36.8 0 61.6

215 -14.7 -50.1 -8.1 -32.4 0 58.8216 11 70.9 -6.8 -27.2 0 -44

217 -14.4 80.6 -7.8 -31.2 0 57.6

218 -4.4 -25.9 -13.3 -53.2 0 17.6

219 -3.7 -16.1 -12.3 -49.2 0 14.8

220 -3 40.3 -11.1 -44.4 0 12

221 -3.7 50.1 -12.2 -48.8 0 14.8

222 -6.9 56.1 -5.5 -22 0 27.6

223 -6.9 -22.3 -5.5 -22 0 27.6

224 2 8 32 1 4 9 19 6 0 11 2



3/15

Project

R KAKATIYA THERMAL POWER PROJECT STAGE-I & II, WARANGAL.

Doc Title DESIGN OF FOUNDATIONS FOR CONV BCN 30

219 -3.7 51.7 -13.1 -52.4 0 14.8

220 -3 -6.7 -11.9 -47.6 0 12

221 -3.7 -16.8 -13 -52 0 14.8

222 -6.9 56.9 -6 -24 0 27.6

223 -6.9 -21.5 -6 -24 0 27.6

224 -2.3 32.9 -5.9 -23.6 0 9.2

225 -2.3 2.5 -5.9 -23.6 0 9.2

226 -13.5 69.2 -7 -27.9 0 53.9

227 -14.2 79.5 -8.1 -32.3 0 56.7

228 12.9 -61.1 -9.5 -37.9 0 -52

229 -14.6 -51.1 -8.4 -33.5 0 58.3

230 -4.3 60.5 -14 -55.9 0 17.1231 -3.6 49.9 -12.9 -51.5 0 14.3

232 -2.9 -8.5 -11.7 -46.7 0 11.5

233 -3.6 -18.6 -12.8 -51.1 0 14.3

234 -6.8 55.1 -5.8 -23.1 0 27.1

235 -6.8 -23.3 -5.8 -23.1 0 27.1

236 -2.2 31.1 -5.7 -22.7 0 8.7

237 -2.2 0.7 -5.7 -22.7 0 8.7

These reactions are considered F9


4/15

Project

ADITIONAL COAL HANDLING PLANT FOR KAKATIYA THERMAL POWER PROJECT STAGE-I & II, WARANGAL.

Doc Title

3.7.4.1 COMBINED FOOTING F8 for TR9

Y

Pedestal & Footing Data X

Height of Pedestal above GL 0.50 m

Depth of Foundation 4.00 m Z L= 14.00

Thickness of footing at edge 0.45 m

Thickness of footing at face of Ped. 0.45 m

Width of footing along X axis 14.00 m 3 8 3.000

Width of footing along Y axis 3.25 m

Total height of pedestal 4.50 m

density of conc 2.50 t/m3

soil den 1.80 /m3 Node= 5 6

B

Pedestal sizes

Alongx Along Z Ht Sw

5 0.7 0.7 4.50 5.51

16 0.7 0.7 4.50 5.51

11.03 t

F.G.L.

Sw of footing 51.19 tSoil weight between GL&FFL 32.76 t

soil wt 284.48 t

Total SW 368.43 t

Excluding pedestal 368.43 T

Allowable bearing pressure = 22 t/m2

LOAD

COMBINATIONS

CO MBINAT IONS Pmax Net SBC Pmin Al lOWABLE

BEARING

CAPACITY

DL+LL 201

11.41 4.21 8.35 22.1

DL+WL/SL 214 to 225 17.44 10.24 0.13 22.1

226 to 237

DL+LL+WL/SL 202 to213 17.32 10.12 1.92 27.625

Node X,Z Cordinates of Pedestals from the CG of Footing

5 X1 = 4 Z1 = 0

6 X2 = -4 Z2 = 0

Area = 14.00*3.25 45.5 m2

Zx = ROUND(+14.00*3.25^2/6,2) = 24.65 m3

Zz = ROUND(+14.00^2*3.25/6,2) = 106.17 m3


3 . 2

5

pls maintain same foundinglevel as existing foundationas per desein comments(3m)

pls restrict to 3m

15 m

pls consider pedestal wt also, either in staad or in sheet


5/15

Project



Addl Mom due to Eccn Max /Min ax /Min

Node L/C Fy Mx Mz Mx = Fy * z Mz = Fy * x Total V Total Mx Total Mz P/A MX/ZX MZ/ZZ BR Pr BR Pr

5 201 39.5 -15.6 12 0 158 449.5303 -34 15.6 9.879787 -1.37931 0.14693 11.41 8.354

16 201 41.6 -18.4 12 0 -166.4

5 202 -26.4 -37.6 55.8 0 -105.6 421.5303 -69.8 -317.8 9.264402 -2.831643 -2.99331 15.09 3.439

16 202 79.5 -32.2 50 0 -318

5 203 -18.6 -34.1 53.5 0 -74.4 437.5303 -69.9 -319.5 9.616051 -2.8357 -3.00932 15.46 3.771

16 203 87.7 -35.8 52.2 0 -350.8

5 204 78.2 -29.9 -28.7 0 312.8 421.8303 -70.1 348.8 9.270996 -2.843813 3.2853 15.40 3.142

16 204 -24.8 -40.2 -34.5 0 99.2

5 205 85.9 -33.1 52.6 0 343.6 437.5303 -69.8 516.9 9.616051 -2.831643 4.86861 17.32 1.916

16 205 -16.8 -36.7 53.5 0 67.2

5 206 0.7 -50.7 20.6 0 2.8 441.6303 -105.3 -246 9.70616 -4.271805 -2.31704 16.30 3.117

16 206 72.5 -54.6 20.6 0 -290

5 207 8.6 -47.5 18.3 0 34.4 441.0303 -98.6 -185 9.692974 -4 -1.74249 15.44 3.95

16 207 64 -51.1 18.3 0 -256

5 208 53.7 -43.7 16.1 0 214.8 439.4303 -91 177.8 9.657809 -3.691684 1.67467 15.02 4.291

16 208 17.3 -47.3 16.1 0 -69.2

5 209 61.5 -47.2 18.3 0 246 439.1303 -98 245.8 9.651215 -3.975659 2.31515 15.94 3.36

16 209 9.2 -50.8 18.3 0 -36.8

5 210 66.3 -25.8 28.6 0 265.2 502.9303 -54.2 49.6 11.05341 -2.198783 0.46718 13.72 8.387

16 210 68.2 -28.4 28.6 0 -272.8

5 211 3.6 -25.8 28.6 0 14.4 377.5303 -54.2 49.6 8.297369 -2.198783 0.46718 10.96 5.631

16 211 5.5 -28.4 28.6 0 -22

5 212 47.1 -23.8 15.4 0 188.4 464.5303 -51.9 21.6 10.20946 -2.105477 0.20345 12.52 7.901

16 212 49 -28.1 13.8 0 -196

5 213 22.8 -23.8 15.4 0 91.2 415.9303 -51.9 21.6 9.141325 -2.105477 0.20345 11.45 6.832

16 213 24.7 -28.1 13.8 0 -98.8

5 214 -59.8 -36.8 61.6 0 -239.2 379.6303 -65.6 -407.2 8.343523 -2.661258 -3.83536 14.84 1.847

16 214 71 -28.8 54.4 0 -284


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Project



5 215 -50.1 -32.4 58.8 0 -200.4 399.6303 -65.6 -409.6 8.783084 -2.661258 -3.85796 15.30 2.264

16 215 81.3 -33.2 57.2 0 -325.2

5 216 70.9 -27.2 -44 0 283.6 380.0303 -66 425.6 8.352314 -2.677485 4.00867 15.04 1.666

16 216 -59.3 -38.8 -51.2 0 237.2

5 217 80.6 -31.2 57.6 0 322.4 399.7303 -65.6 636 8.785281 -2.661258 5.99039 17.44 0.134

16 217 -49.3 -34.4 58.8 0 197.2

5 218 -25.9 -53.2 17.6 0 -103.6 404.8303 -110 -317.6 8.897369 -4.462475 -2.99143 16.35 1.44316 218 62.3 -56.8 17.6 0 -249.2

5 219 -16.1 -49.2 14.8 0 -64.4 404.0303 -101.6 -241.6 8.879787 -4.121704 -2.2756 15.28 2.482

16 219 51.7 -52.4 14.8 0 -206.8

5 220 40.3 -44.4 12 0 161.2 402.0303 -92 212 8.835831 -3.732252 1.9968 14.56 3.107

16 220 -6.7 -47.6 12 0 26.8

5 221 50.1 -48.8 14.8 0 200.4 401.7303 -100.8 297.2 8.829237 -4.089249 2.79928 15.72 1.941

16 221 -16.8 -52 14.8 0 67.2

5 222 56.1 -22 27.6 0 224.4 481.4303 -46 52 10.58089 -1.866126 0.48978 12.94 8.225

16 222 56.9 -24 27.6 0 -227.6

5 223 -22.3 -22 27.6 0 -89.2 324.6303 -46 52 7.134732 -1.866126 0.48978 9 .49 4.779

16 223 -21.5 -24 27.6 0 865 224 32.1 -19.6 11.2 0 128.4 433.4303 -43.2 17.2 9.525941 -1.752535 0.162 11.44 7.611

16 224 32.9 -23.6 9.2 0 -131.6

5 225 1.7 -19.6 11.2 0 6.8 372.6303 -43.2 17.2 8.189677 -1.752535 0.162 10.10 6.275

16 225 2.5 -23.6 9.2 0 -10

5 226 -61.5 -36.1 61.1 0 -246 376.1303 -64 -407.8 8.2666 -2.596349 -3.84101 14.70 1.829

16 226 69.2 -27.9 53.9 0 -276.8

5 227 -51.8 -31.7 58.3 0 -207.2 396.1303 -64 -410.2 8.70616 -2.596349 -3.86361 15.17 2.246

16 227 79.5 -32.3 56.7 0 -318

5 228 69.2 -26.5 -44.5 0 276.8 376.5303 -64.4 425 8.275391 -2.612576 4.00301 14.89 1.66

16 228 -61.1 -37.9 -51.7 0 244.4

5 229 78.9 -30.5 57.1 0 315.6 396.2303 -64 635.4 8.708358 -2.596349 5.98474 17.29 0.12716 229 -51.1 -33.5 58.3 0 204.4


7/15

Project



5 230 -27.6 -52.5 17.1 0 -110.4 401.3303 -108.4 -318.2 8.820446 -4.397566 -2.99708 16.22 1.426

16 230 60.5 -55.9 17.1 0 -242

5 231 -17.8 -48.5 14.3 0 -71.2 400.5303 -100 -242.2 8.802864 -4.056795 -2.28125 15.14 2.465

16 231 49.9 -51.5 14.3 0 -199.6

5 232 38.6 -43.7 11.5 0 154.4 398.5303 -90.4 211.4 8.758908 -3.667343 1.99115 14.42 3.1

16 232 -8.5 -46.7 11.5 0 34

5 233 48.4 -48.1 14.3 0 193.6 398.2303 -99.2 296.6 8.752314 -4.024341 2.79363 15.57 1.93416 233 -18.6 -51.1 14.3 0 74.4

5 234 54.4 -21.3 27.1 0 217.6 477.9303 -44.4 51.4 10.50396 -1.801217 0.48413 12.79 8.219

16 234 55.1 -23.1 27.1 0 -220.4

5 235 -24 -21.3 27.1 0 -96 321.1303 -44.4 51.4 7.057809 -1.801217 0.48413 9.34 4.772

16 235 -23.3 -23.1 27.1 0 93.2

5 236 30.4 -18.9 10.7 0 121.6 429.9303 -41.6 16.6 9.449018 -1.687627 0.15635 11.29 7.605

16 236 31.1 -22.7 8.7 0 -124.4

5 237 0 -18.9 10.7 0 0 369.1303 -41.6 16.6 8.112754 -1.687627 0.15635 9.96 6.269

16 237 0.7 -22.7 8.7 0 -2.8


8/15

Project


Doc Title

3.7.4.1

Y

Pedestal & Footing Data X




Thickness of footing at face of Ped. 0.50 m

Width of footing along X axis 14.00 m 3 8 3.000

Width of footing along Y axis 3.25 m


density of conc 2.50 t/m3

soil den 1.80 /m3 Node= 5 6

B

Pedestal sizes


5 0.7 0.7 4.50 5.51

16 0.7 0.7 4.50 5.51

11.03 t

F.G.L.

Sw of footing 56.88 tSoil weight between GL&FFL 32.76 t

soil wt 280.48 t

Total SW 370.11 t

Excluding pedestal 370.11 T

Allowable bearing pressure = 22 t/m2

LOAD

COMBINATIONS

CO MBINAT IONS Pmax Net SBC Pmin Al lOWABLE

BEARING

CAPACITY

DL+LL 201

11.44 4.24 8.39 22.1

DL+WL/SL 214 to 225 17.47 10.27 0.16 22.1

226 to 237

DL+LL+WL/SL 202 to213 17.35 10.15 1.95 27.625

Node X,Z Cordinates of Pedestals from the CG of Footing

5 X1 = 4 Z1 = 0

6 X2 = -4 Z2 = 0

Area = 14.00*3.25 45.5 m2

Zx = ROUND(+14.00*3.25^2/6,2) = 24.65 m3

Zz = ROUND(+14.00^2*3.25/6,2) = 106.17 m3


3 . 2

5


9/15

Project



Addl Mom due to Eccn Max /Min ax /Min

Node L/C Fy Mx Mz Mx = Fy * z Mz = Fy * x Total V Total Mx Total Mz P/A MX/ZX MZ/ZZ BR Pr BR Pr

5 201 39.5 -15.6 12 0 158 451.211 -34 15.6 9.916725 -1.37931 0.14693 11.44 8.39

16 201 41.6 -18.4 12 0 -166.4

5 202 -26.4 -37.6 55.8 0 -105.6 423.211 -69.8 -317.8 9.301341 -2.831643 -2.99331 15.13 3.476

16 202 79.5 -32.2 50 0 -318

5 203 -18.6 -34.1 53.5 0 -74.4 439.211 -69.9 -319.5 9.652989 -2.8357 -3.00932 15.50 3.808

16 203 87.7 -35.8 52.2 0 -350.8

5 204 78.2 -29.9 -28.7 0 312.8 423.511 -70.1 348.8 9.307934 -2.843813 3.2853 15.44 3.179

16 204 -24.8 -40.2 -34.5 0 99.2

5 205 85.9 -33.1 52.6 0 343.6 439.211 -69.8 516.9 9.652989 -2.831643 4.86861 17.35 1.953

16 205 -16.8 -36.7 53.5 0 67.2

5 206 0.7 -50.7 20.6 0 2.8 443.311 -105.3 -246 9.743099 -4.271805 -2.31704 16.33 3.154

16 206 72.5 -54.6 20.6 0 -290

5 207 8.6 -47.5 18.3 0 34.4 442.711 -98.6 -185 9.729912 -4 -1.74249 15.47 3.987

16 207 64 -51.1 18.3 0 -256

5 208 53.7 -43.7 16.1 0 214.8 441.111 -91 177.8 9.694747 -3.691684 1.67467 15.06 4.328

16 208 17.3 -47.3 16.1 0 -69.2

5 209 61.5 -47.2 18.3 0 246 440.811 -98 245.8 9.688154 -3.975659 2.31515 15.98 3.397

16 209 9.2 -50.8 18.3 0 -36.8

5 210 66.3 -25.8 28.6 0 265.2 504.611 -54.2 49.6 11.09035 -2.198783 0.46718 13.76 8.424

16 210 68.2 -28.4 28.6 0 -272.8

5 211 3.6 -25.8 28.6 0 14.4 379.211 -54.2 49.6 8.334308 -2.198783 0.46718 11.00 5.668

16 211 5.5 -28.4 28.6 0 -22

5 212 47.1 -23.8 15.4 0 188.4 466.211 -51.9 21.6 10.2464 -2.105477 0.20345 12.56 7.937

16 212 49 -28.1 13.8 0 -196

5 213 22.8 -23.8 15.4 0 91.2 417.611 -51.9 21.6 9.178264 -2.105477 0.20345 11.49 6.869

16 213 24.7 -28.1 13.8 0 -98.8

5 214 -59.8 -36.8 61.6 0 -239.2 381.311 -65.6 -407.2 8.380462 -2.661258 -3.83536 14.88 1.884

16 214 71 -28.8 54.4 0 -284


10/15

Project



5 215 -50.1 -32.4 58.8 0 -200.4 401.311 -65.6 -409.6 8.820022 -2.661258 -3.85796 15.34 2.301

16 215 81.3 -33.2 57.2 0 -325.2

5 216 70.9 -27.2 -44 0 283.6 381.711 -66 425.6 8.389253 -2.677485 4.00867 15.08 1.703

16 216 -59.3 -38.8 -51.2 0 237.2

5 217 80.6 -31.2 57.6 0 322.4 401.411 -65.6 636 8.82222 -2.661258 5.99039 17.47 0.171

16 217 -49.3 -34.4 58.8 0 197.2

5 218 -25.9 -53.2 17.6 0 -103.6 406.511 -110 -317.6 8.934308 -4.462475 -2.99143 16.39 1.4816 218 62.3 -56.8 17.6 0 -249.2

5 219 -16.1 -49.2 14.8 0 -64.4 405.711 -101.6 -241.6 8.916725 -4.121704 -2.2756 15.31 2.519

16 219 51.7 -52.4 14.8 0 -206.8

5 220 40.3 -44.4 12 0 161.2 403.711 -92 212 8.872769 -3.732252 1.9968 14.60 3.144

16 220 -6.7 -47.6 12 0 26.8

5 221 50.1 -48.8 14.8 0 200.4 403.411 -100.8 297.2 8.866176 -4.089249 2.79928 15.75 1.978

16 221 -16.8 -52 14.8 0 67.2

5 222 56.1 -22 27.6 0 224.4 483.111 -46 52 10.61782 -1.866126 0.48978 12.97 8.262

16 222 56.9 -24 27.6 0 -227.6

5 223 -22.3 -22 27.6 0 -89.2 326.311 -46 52 7.17167 -1.866126 0.48978 9.53 4.816

16 223 -21.5 -24 27.6 0 865 224 32.1 -19.6 11.2 0 128.4 435.111 -43.2 17.2 9.562879 -1.752535 0.162 11.48 7.648

16 224 32.9 -23.6 9.2 0 -131.6

5 225 1.7 -19.6 11.2 0 6.8 374.311 -43.2 17.2 8.226615 -1.752535 0.162 10.14 6.312

16 225 2.5 -23.6 9.2 0 -10

5 226 -61.5 -36.1 61.1 0 -246 377.811 -64 -407.8 8.303538 -2.596349 -3.84101 14.74 1.866

16 226 69.2 -27.9 53.9 0 -276.8

5 227 -51.8 -31.7 58.3 0 -207.2 397.811 -64 -410.2 8.743099 -2.596349 -3.86361 15.20 2.283

16 227 79.5 -32.3 56.7 0 -318

5 228 69.2 -26.5 -44.5 0 276.8 378.211 -64.4 425 8.31233 -2.612576 4.00301 14.93 1.697

16 228 -61.1 -37.9 -51.7 0 244.4

5 229 78.9 -30.5 57.1 0 315.6 397.911 -64 635.4 8.745297 -2.596349 5.98474 17.33 0.16416 229 -51.1 -33.5 58.3 0 204.4


11/15

Project



5 230 -27.6 -52.5 17.1 0 -110.4 403.011 -108.4 -318.2 8.857385 -4.397566 -2.99708 16.25 1.463

16 230 60.5 -55.9 17.1 0 -242

5 231 -17.8 -48.5 14.3 0 -71.2 402.211 -100 -242.2 8.839802 -4.056795 -2.28125 15.18 2.502

16 231 49.9 -51.5 14.3 0 -199.6

5 232 38.6 -43.7 11.5 0 154.4 400.211 -90.4 211.4 8.795846 -3.667343 1.99115 14.45 3.137

16 232 -8.5 -46.7 11.5 0 34

5 233 48.4 -48.1 14.3 0 193.6 399.911 -99.2 296.6 8.789253 -4.024341 2.79363 15.61 1.97116 233 -18.6 -51.1 14.3 0 74.4

5 234 54.4 -21.3 27.1 0 217.6 479.611 -44.4 51.4 10.5409 -1.801217 0.48413 12.83 8.256

16 234 55.1 -23.1 27.1 0 -220.4

5 235 -24 -21.3 27.1 0 -96 322.811 -44.4 51.4 7.094747 -1.801217 0.48413 9.38 4.809

16 235 -23.3 -23.1 27.1 0 93.2

5 236 30.4 -18.9 10.7 0 121.6 431.611 -41.6 16.6 9.485956 -1.687627 0.15635 11.33 7.642

16 236 31.1 -22.7 8.7 0 -124.4

5 237 0 -18.9 10.7 0 0 370.811 -41.6 16.6 8.149692 -1.687627 0.15635 9.99 6.306

16 237 0.7 -22.7 8.7 0 -2.8


12/15

Project ADITIONAL COAL HANDLING PLANT FOR KAKATIYA THERMAL POWER PROJECT STAGE-I & II, WARANGAL.

Doc Title

3.7.4.2

FOOTING F8 Refer staad analysis results ( with Invert beam with plate elements)

DESIGN OF RAFT

Plate L/C SQX MPa SQY MPa MX MTon-m/ MY MTon-m/MXY MTon-m/m Y

105 128 -0.465 0.328 11.4 5 -1.4 X

110 118 -0.509 -0.313 -13.8 -5.2 -1.213 129 -50.8 -34.5 11.6 10.5 2.5

98 117 -61.3 -44.2 -14 -12.3 -2.5

DESIGN OF RAFT

Conc 25

fy 500

Details Design

BM ™

M/bd2 pt Ast Provided

Ast

D d As /bd

Design of Raft along x

on earth face 15.0 0.5656 0.134 688 1339.73 600 515 0.003 Y 16 @ 150

away from e/ f 12.8 0.4826 0.114 585 904.32 600 515 0.002 Y 12 @ 125

Design of Raft along y

on earth face 14.8 0.558 0.132 679 904.32 600 515 0.002 Y 12 @ 125

away from e/ f 13.0 0.4901 0.115 594 904.32 600 515 0.002 Y 12 @ 125

Shear Design Critical elements

plate L/c Tv Ast pt b Tc

Max. Shear stres 109 106 0.345 1339.733 0.26014 11.158341 0.37

Shear Check :

Element No 109 L/c 106

Shear Stress @ deff ( from Stadd) = 0.345 n/mm2 ( at a dist d from face of pedestal)

Shear stress for D/d = 0.40 n/mm2

pt = 0.26 %

Tc = = 0.37 n/mm2

Punching Shear ( Not critical) 0.7 x

Vu = 129 t

b0 = 3302.8 mm 900

Tv = 0.74 n/mm2

Tc = 1.25

Provided reinforcement

FOR TR 9


Hence need not to provide shear reinforcement

0.7

Pls remove soil wt applied in staad file since footing is designedfor net pressure.

Pls consider moment and shear for slab design at face of beam

and d (depth of slab) away from face of beam respectively. Pls assignmoment and shear groups in staad accordingly.


13/15



size (mm) 700 x 900 deff. = 840 min Ast 1235 E/F

BM on top 67 Mu/bd2 1.356 pt 0.3273 Ast 1925 8-Y20 away from E/f

( refer staad analysis results) BM bottom 78 Mu/bd2 1.579 pt 0.3843 Ast 2260 8-Y20 4-Y12

SF (t) 35 Tv 0.60 beta 10.57 Tc 0.449 S/F

Vus/d = 1.021 provide Y10-2L-150

beam design

pls chk


14/15


Doc Title

3.6.2 FOOTING

FOR TR 9

Design of combined Footings

Pedestal & Footing Data




Thickness of footing at face of Ped. 0.45 mWidth of footing along X axis 14.00 m 3 8 3.00

Width of f ooting along Y axis 3.25 m


density of conc 2.50 /m3

soil de 1.80 t/m3 Node=

B =

pedestal sizes


0.7 0.7 4.50 5.51

0.7 0.7 4.50 5.51

# # #

Sw of footing 51.19 t

t

soil wt 284.48 t # # #

Total SW 335.67 t

Excluding pedestal 335.67 T # # #

Node X,Z Cordinates of Pedestals from the EDGE of Footing

14.00 x 3.25

5 X2 = 3.00 Z2 = -1.625

6 X1 = 11.00 Z1 = -1.6250.4

3 . 2

5

Sw of pedesta l ( Included )


=


15/15



COMBINED FOOTING F5 ( CHECKING OVERTURNING & SLIDING ) Check ForSliding

FOS =

Node L/C FX FY FZ Mx Mz Mx =

Fy * z

Mz = Fy

* x

Total V

swof

footing

+Soil

wt

SM Mx due

to SW &

SOILWT

SM Mz

due to

SW &

SOILWT

Mz

Over

turning

momen

t ∑ Mx

Total

Stabilizin

g

moment

FOS(>1.4) Over

turnin

g

mom

ent ∑

Mz

Total

Stabili

zing

mome

nt

FOS(>1.4)

V/Hmax(>

1.4)

5 226 -15.3 -61.5 -9 -36.1 61.1 99.94 -184.5 343.37 -545.46 2349.7 64.001 557.98 8.72 115 2926.4 25.45 4.77

16 226 -13.5 69.2 -7 -27.9 53.9 -112.5 761.2

5 227 -14.6 -51.8 -7.9 -31.7 58.3 84.18 -155.4 363.37 -545.46 2349.7 64 590.48 9.23 115 3068.8 26.69 5.05

16 227 -14.2 79.5 -8.1 -32.3 56.7 -129.2 874.5

5 228 11.1 69.2 -6.6 -26.5 -44.5 -112.5 207.6 343.77 -545.46 2349.7 64.41 558.63 8.67 96.21 1885.2 19.60 5.73

16 228 12.9 -61.1 -9.5 -37.9 -51.7 99.29 -672.1

5 229 -14.3 78.9 -7.6 -30.5 57.1 -128.2 236.7 363.47 -545.46 2349.7 64.01 590.64 9.23 115.4 2024.3 17.54 5.03

16 229 -14.6 -51.1 -8.4 -33.5 58.3 83.04 -562.1

5 230 -4.3 -27.6 -13.1 -52.5 17.1 44.85 -82.8 368.57 -545.46 2349.7 108.41 598.93 5.53 34.21 2932.4 85.72 5.44

16 230 -4.3 60.5 -14 -55.9 17.1 -98.31 665.5

5 231 -3.6 -17.8 -12.1 -48.5 14.3 28.93 -53.4 367.77 -545.46 2349.7 100.01 597.63 5.98 28.61 2845.2 99.45 5.88

16 231 -3.6 49.9 -12.9 -51.5 14.3 -81.09 548.9

5 232 -2.9 38.6 -10.9 -43.7 11.5 -62.73 115.8 365.77 -545.46 2349.7 90.41 594.38 6.57 23.01 2372 103.09 6.47

16 232 -2.9 -8.5 -11.7 -46.7 11.5 13.81 -93.5

5 233 -3.6 48.4 -12 -48.1 14.3 -78.65 145.2 365.47 -545.46 2349.7 99.21 593.89 5.99 28.61 2290.3 80.05 5.89

16 233 -3.6 -18.6 -12.8 -51.1 14.3 30.23 -204.6

5 234 -6.79 54.4 -5.3 -21.3 27.11 -88.4 163.2 445.17 -545.46 2349.7 44.41 723.40 16.29 54.22 3119 57.53 13.10

16 234 -6.8 55.1 -5.8 -23.1 27.1 -89.54 606.1

5 235 -6.799 -24 -5.3 -21.3 27.1 39 -72 288.37 -545.46 2349.7 44.41 468.60 10.55 54.21 2021.4 37.29 8.48

16 235 -6.8 -23.3 -5.8 -23.1 27.1 37.86 -256.3

5 236 -2.699 30.4 -4.7 -18.9 10.7 -49.4 91.2 397.17 -545.46 2349.7 41.61 645.40 15.51 19.41 2783 143.38 15.28

16 236 -2.2 31.1 -5.7 -22.7 8.7 -50.54 342.1

5 237 -2.699 0 -4.7 -18.9 10.7 0 0 335.67 -545.46 2349.7 18.91 545.46 28.85 10.71 2349.7 219.39 28.57

0 0 0 0 0 0 0 0 0

Check For Overturning, FOS = SO/OM

Stabilizing

Moment due

to Vert load

Along X Along Z

trestle foundations-tr-9 raft

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