No. of stores 17Total height 51

Length Story H 3 Height 10 15 2055 Lower Upper R1 R2 R3

Width 1 3 1.5 4.5 3 3 X X40 2 6 4.5 7.5 3 3 X X

CF L 3 9 7.5 10.5 3 2.5 0.5 X1.2 4 12 10.5 13.5 3 X 3 0

5 15 13.5 16.5 3 X 1.5 1.5CF B 6 18 16.5 19.5 3 X X 3

1 7 21 19.5 22.5 3 X X 0.58 24 22.5 25.5 3 X X X9 27 25.5 28.5 3 X X X

10 30 28.5 31.5 3 X X X11 33 31.5 34.5 3 X X X12 36 34.5 37.5 3 X X X13 39 37.5 40.5 3 X X X14 42 40.5 43.5 3 X X X15 45 43.5 46.5 3 X X X16 48 46.5 49.5 3 X X X17 51 49.5 52.5 3 X X X

R1 R2 R3 R4 R5524.63 524.63 524.63 805.05 925.75

30 50 100 Length width 5R4 R5 R6X X XX X XX X XX X XX X XX X X

2.5 X X3 X X3 0 X

1.5 1.5 XX 3 XX 3 XX 3 XX 3 XX 3 XX 3 XX 0.5 2.5

Wind force Analyses by gust factor method as per draft code

Building dimensions

Total Height (m) 96Total Length (m) 24Total Width (m) 12Story height (m) 3

Check for dynamic effecth/smallest side plan dimension 8

it is >5 so use gust factor method IS:875-pt.3,Sec8.1

Location of building Mumbai at sea faceDistance from sea (m) 200

Basic wind speed Vb (m/s) 47 96 sea front

Wind speed multiplication factors

k1 Risk coefficient as per basic wind speed 112

24

k3 Topography Factor 1 IS:875-pt.3,Sec5.3.3.1

k4 Importance factor for cyclonic region 1 IS:875-pt.3,Sec5.3.3.4

Kd Wind directionality factor 0.9 IS:875-pt.3,Sec6.1.1

Area Averaging Factor Ka 1 IS:875-pt.3,Sec6.1.2 Table-4For glazing / clading for 12 m face 0.885For glazing / clading for 18 m face 0.837

Design wind speed m/s Vz=Vb*k1*k2*k3*k4 47 k2

Height of building (m)k2 Vz(m/s)

For sea face For other face For sea face For other faceUp to 9 0.83 0.75 39.01 35.25

12 0.854 0.75 40.138 35.2518 0.92 0.75 43.24 35.2524 0.964 0.77 45.308 36.1930 1 0.8 47 37.636 1.232 0.83 57.904 39.0142 1.242 0.86 58.374 40.4248 1.248 0.89 58.656 41.8354 1.253 0.913 58.891 42.91160 1.258 0.932 59.126 43.80466 1.263 0.951 59.361 44.69772 1.268 0.97 59.596 45.5978 1.272 0.986 59.784 46.34284 1.277 0.998 60.019 46.90690 1.282 1.01 60.254 47.4796 1.287 1.022 60.489 48.034

Fetch length (m) 200h3 35 IS:875-pt.3, Table-3

pz=0.6*Vz*Vz IS:875-pt.3,Sec5.4pd=pz*Kd*Ka IS:875-pt.3,Sec6.1

Height of building (m)pd for cladding

For sea face For other face Sea face Opp.face Wide faces All facesUp to 9 0.913 0.746 0.727 0.594 0.56 0.822

12 0.967 0.746 0.770 0.594 0.56 0.87018 1.122 0.746 0.894 0.594 0.56 1.01024 1.232 0.786 0.981 0.626 0.59 1.10930 1.325 0.848 1.056 0.676 0.64 1.19336 2.012 0.913 1.602 0.727 0.69 1.81142 2.045 0.980 1.628 0.781 0.74 1.84048 2.064 1.050 1.644 0.836 0.79 1.85854 2.081 1.105 1.657 0.880 0.83 1.87360 2.098 1.151 1.671 0.917 0.87 1.88866 2.114 1.199 1.684 0.955 0.90 1.90372 2.131 1.247 1.697 0.993 0.94 1.91878 2.144 1.289 1.708 1.026 0.97 1.93084 2.161 1.320 1.722 1.051 0.99 1.94590 2.178 1.352 1.735 1.077 1.02 1.96096 2.195 1.384 1.749 1.103 1.04 1.976

Up to 35 m heights,k2 factor shall as per TC3 and above 35 m it will be as per TC1

pz(kN/m2) pd(kN/m2)

Wind force calculations

Longe afterbody orientation Force coefficent

a (m) Face of building perpendicular wind direction 24b (m) Face of building perellel wind direction 12

a/b 2h/b 8

Cf (IS:875-pt.3,fig.6) 1.25

36

F=Cf*Ae*pd*G IS:875-pt.3,Sec6.3

G=gust factor

Gust factor calculationLh-Integral turbulence length scale (m) 176.022347358679

f0 0.40093768693724

b 0.02 IS:875-pt.3,Table-40(1) FOR BASE FLOOR S=0

Bs 0.367018305539274Hs 1gR 3.81443544131029Vh 48Ih 0.235 IS:875-pt.3,Sec9.1 Table-31gv 3.5 IS:875-pt.3,Sec9.1 S 0.059N 2.680E 0.047G 0.832

(2) FOR FLOOR LEVEL AT MID HEIGHT (S=48 m)Lh-Integral turbulence length scale (m) 176.022347358679

f0 0.40093768693724

b 0.02 IS:875-pt.3,Table-40S (m) 48

Bs 0.504233716555427Hs 1.25gR 3.81443544131029Vh 48Ih 0.23 IS:875-pt.3,Sec9.1 Table-31gv 3.5 IS:875-pt.3,Sec9.1 S 0.060N 2.654E 0.047G 0.905

(2) FOR FLOOR LEVEL AT TOP HEIGHT (S=96 m)Lh-Integral turbulence length scale (m) 176.022347358679

f0 0.40093768693724

b 0.02 IS:875-pt.3,Table-40S (m) 96

Bs 0.647087818584927Hs 2gR 3.81443544131029Vh 48Ih 0.4 IS:875-pt.3,Sec9.1 Table-31gv 3.5 IS:875-pt.3,Sec9.1 S 0.039N 0.176E 0.211G 0.903

Height (m) gust factor0 0.932

48 0.99096 1.09

For cross wind ResponseVn 2.73706794282489Cfs 0.001 IS:875-pt.3,fig-12G 1.39205709988421

Effective Area (m2)

ssimiliearly find gust factor for smaler side for diff.height of build ing

static Dynamic

Height of building (m)F (kN) F (kN)

For sea face For sea faceUp to 9 32.727 27.229

12 34.647 28.82618 40.209 33.57424 44.147 36.90730 47.506 40.85536 72.105 62.73242 73.281 65.95248 73.990 66.96154 74.584 67.42460 75.181 67.88866 75.780 68.35372 76.381 68.81978 76.863 69.33184 77.469 69.79990 78.077 70.42596 78.687 71.054

Short afterbody orientation Force coefficent

a (m) Face of building perpendicular wind direction 12b (m) Face of building perellel wind direction 24

a/b 0.50h/b 4.00

Cf (IS:875-pt.3,fig.6) 1.4

72

F=Cf*Ae*pd IS:875-pt.3,Sec6.3static Dynamic

Height of building (m)F (kN) F (kN)

For sea face For sea faceUp to 9 59.857 55.787

12 59.857 55.84718 59.857 56.26624 63.092 59.93730 68.104 65.38036 73.308 71.10842 78.703 77.12948 84.289 83.44754 88.702 88.25960 92.433 91.87866 96.240 96.24072 100.124 99.62378 103.454 103.24784 105.987 105.88190 108.552 108.55296 111.146 121.149

For cladding:

Effective Area (m2)

Depending on the spacing of supporting structure, but effect of enhanced force at

the corners and edges should be considered for fasteners by taking local

coefficents from IS:875-pt,Table 5.

Wind force Analyses by gust factor method as per draft code

For sea face staticHeight of building (m) F (kN)

Up to 9 59.85711837 forces Floors wise12 59.85711837 f118 59.85711837 f224 63.092063078352 f330 68.1040991232 f436 73.307677946832 f542 78.702799549248 f648 84.289463930448 f754 88.7022903156667 f860 92.4325859324851 f966 96.2397114861269 f1072 100.123666976592 f1178 103.453957423716 f1284 105.9874299111 f1390 108.551549243088 f1496 111.146315419682 f15

1353.70496544654 f16f17f18f19f20f21f22f23f24f25f26f27f28f29f30f31f32

0.0450333178735818

0

1000

2000

3000

4000

5000

60005059.047770784

2656.12073384339

Comparision of base shear (kN)

Runnig code

Draft code

Type of code

Bas

e sh

ear

(kN

)

0

1000

2000

3000

4000

5000

60005059.047770784

2656.12073384339

Comparision of base shear (kN)

Runnig code

Draft code

Type of code

Bas

e sh

ear

(kN

)

Forces (KN) forces Floors wise Forces (KN)115.550916768 f1 59.85711837 Height of building (m)115.550916768 f2 59.85711837115.550916768 f3 59.85711837122.319999648 f4 59.85711837125.704541088 f5 59.85711837

133.60032 f6 59.85711837137.234248704 f7 59.85711837144.502106112 f8 63.092063078144.502106112 f9 63.092063078144.502106112 f10 68.104099123161.6563872 f11 68.104099123161.6563872 f12 73.307677947161.6563872 f13 73.307677947161.6563872 f14 78.702799549161.6563872 f15 78.702799549161.6563872 f16 84.28946393

168.732750816 f17 84.28946393182.885478048 f18 88.702290316182.885478048 f19 88.702290316182.885478048 f20 92.432585932182.885478048 f21 92.432585932182.885478048 f22 96.239711486182.885478048 f23 96.239711486182.885478048 f24 100.12366698182.885478048 f25 100.12366698182.885478048 f26 103.45395742182.885478048 f27 103.45395742182.885478048 f28 105.98742991182.885478048 f29 105.98742991182.885478048 f30 108.55154924182.885478048 f31 108.5515492460.961826016 f32 111.14631542

2656.12073385059.047770784

-0.954967

0

1000

2000

3000

4000

5000

60005059.047770784

2656.12073384339

Comparision of base shear (kN)

Runnig code

Draft code

Type of code

Bas

e sh

ear

(kN

)

0

1000

2000

3000

4000

5000

60005059.047770784

2656.12073384339

Comparision of base shear (kN)

Runnig code

Draft code

Type of code

Bas

e sh

ear

(kN

)

For sea face staticHeight of building (m) F (kN)

Up to 9 59.8571183712 59.8571183718 59.8571183724 63.09206307830 68.10409912336 73.30767794742 78.70279954948 84.2894639354 88.70229031660 92.43258593266 96.23971148672 100.1236669878 103.4539574284 105.9874299190 108.5515492496 111.14631542