Dynamic As Per Draft

No. of stores Total height

17 51

Length

3

Story H

Height

55 Width 40 CF L 1.2 CF B 1

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

3 6 9 12 15 18 21 24 27 30 33 36 39 42 45 48 51

Lower 1.5 4.5 7.5 10.5 13.5 16.5 19.5 22.5 25.5 28.5 31.5 34.5 37.5 40.5 43.5 46.5 49.5

R1 524.63

R2 524.63

R3 524.63

Upper 4.5 7.5 10.5 13.5 16.5 19.5 22.5 25.5 28.5 31.5 34.5 37.5 40.5 43.5 46.5 49.5 52.5

3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3

R4 805.05

R5 925.75

10

15

20

R1 3 3 2.5 X X X X X X X X X X X X X X

R2 X X 0.5 3 1.5 X X X X X X X X X X X X

R3 X X X 0 1.5 3 0.5 X X X X X X X X X X

30

50

100

R4 X X X X X X 2.5 3 3 1.5 X X X X X X X

R5 X X X X X X X X 0 1.5 3 3 3 3 3 3 0.5

R6

Length

X X X X X X X X X X X X X X X X 2.5

width

5

Wind force Analyses by gust factor method as per draft code Building dimensions Total Height (m) Total Length (m) Total Width (m) Story height (m)

96 24 12 3

Check for dynamic effect h/smallest side plan dimension it is >5 so use gust factor method

8 IS:875-pt.3,Sec8.1

Location of building Distance from sea (m)

Mumbai at sea face 200

Basic wind speed Vb (m/s)

47

96

sea front

Wind speed multiplication factors

k1 Risk coefficient as per basic wind speed

12

1

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 For glazing / clading for 12 m face For glazing / clading for 18 m face

1 0.89 0.84

IS:875-pt.3,Sec6.1.2 Table-4

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

Height of building (m) Up to 9 12 18 24 30 36 42 48 54 60 66 72 78 84 90 96

47 k2

k2 For sea face 0.83 0.85 0.92 0.96 1 1.23 1.24 1.25 1.25 1.26 1.26 1.27 1.27 1.28 1.28 1.29

For other face 0.75 0.75 0.75 0.77 0.8 0.83 0.86 0.89 0.91 0.93 0.95 0.97 0.99 1 1.01 1.02

Fetch length (m) 200 h3 35 Up to 35 m heights,k2 factor shall as per TC3 and above 35 m it will be as per TC1 pz=0.6*Vz*Vz IS:875-pt.3,Sec5.4 pd=pz*Kd*Ka IS:875-pt.3,Sec6.1 Height of building (m) Up to 9 12 18 24 30 36 42 48 54 60 66 72 78 84 90 96

Vz(m/s) For sea face For other face 39.01 35.25 40.14 35.25 43.24 35.25 45.31 36.19 47 37.6 57.9 39.01 58.37 40.42 58.66 41.83 58.89 42.91 59.13 43.8 59.36 44.7 59.6 45.59 59.78 46.34 60.02 46.91 60.25 47.47 60.49 48.03

IS:875-pt.3, Table-3

pz(kN/m2) For sea face 0.913 0.967 1.122 1.232 1.325 2.012 2.045 2.064 2.081 2.098 2.114 2.131 2.144 2.161 2.178 2.195

For other face 0.746 0.746 0.746 0.786 0.848 0.913 0.980 1.050 1.105 1.151 1.199 1.247 1.289 1.320 1.352 1.384

Sea face 0.727 0.770 0.894 0.981 1.056 1.602 1.628 1.644 1.657 1.671 1.684 1.697 1.708 1.722 1.735 1.749

pd(kN/m2) Opp.face 0.594 0.594 0.594 0.626 0.676 0.727 0.781 0.836 0.880 0.917 0.955 0.993 1.026 1.051 1.077 1.103

Wide faces 0.56 0.56 0.56 0.59 0.64 0.69 0.74 0.79 0.83 0.87 0.90 0.94 0.97 0.99 1.02 1.04

pd for cladding All faces 0.822 0.870 1.010 1.109 1.193 1.811 1.840 1.858 1.873 1.888 1.903 1.918 1.930 1.945 1.960 1.976

Wind force calculations

Longe afterbody orientation Force coefficent a (m) Face of building perpendicular wind direction b (m) Face of building perellel wind direction a/b h/b Cf (IS:875-pt.3,fig.6)

24 12 2 8 1.25

Effective Area (m2)

36

F=Cf*Ae*pd*G

IS:875-pt.3,Sec6.3

G=gust factor

Gust factor calculation Lh-Integral turbulence length scale (m) f0

176.02 0.4

b (1) FOR BASE FLOOR S=0 Bs Hs gR Vh Ih gv S N E G

0.02

IS:875-pt.3,Table-40

0.37 1 3.81 48 0.24 3.5 0.059 2.680 0.047 0.832

IS:875-pt.3,Sec9.1 Table-31 IS:875-pt.3,Sec9.1

(2) FOR FLOOR LEVEL AT MID HEIGHT (S=48 m) Lh-Integral turbulence length scale (m) f0

176.02 0.4

b S (m) Bs Hs gR Vh Ih gv S N E G

0.02 48 0.5 1.25 3.81 48 0.23 3.5 0.060 2.654 0.047 0.905

(2) FOR FLOOR LEVEL AT TOP HEIGHT (S=96 m) Lh-Integral turbulence length scale (m) f0

176.02 0.4

b S (m) Bs Hs gR Vh Ih gv S N E G

0.02 96 0.65 2 3.81 48 0.4 3.5 0.039 0.176 0.211 0.903

ssimiliearly find gust factor for smaler side for diff.height of build ing Height (m) 0 48 96

gust factor 0.932 0.990 1.09

For cross wind Response Vn Cfs G

2.74 0 1.39

IS:875-pt.3,Table-40

IS:875-pt.3,Sec9.1 Table-31 IS:875-pt.3,Sec9.1

IS:875-pt.3,Table-40

IS:875-pt.3,Sec9.1 Table-31 IS:875-pt.3,Sec9.1

IS:875-pt.3,fig-12

Height of building (m) Up to 9 12 18 24 30 36 42 48 54 60 66 72 78 84 90 96

static F (kN) For sea face 32.727 34.647 40.209 44.147 47.506 72.105 73.281 73.990 74.584 75.181 75.780 76.381 76.863 77.469 78.077 78.687

Dynamic F (kN) For sea face 27.229 28.826 33.574 36.907 40.855 62.732 65.952 66.961 67.424 67.888 68.353 68.819 69.331 69.799 70.425 71.054

Short afterbody orientation Force coefficent a (m) Face of building perpendicular wind direction b (m) Face of building perellel wind direction a/b h/b Cf (IS:875-pt.3,fig.6)

12 24 0.50 4.00 1.4

Effective Area (m2)

72

F=Cf*Ae*pd

IS:875-pt.3,Sec6.3 static F (kN) For sea face 59.857 59.857 59.857 63.092 68.104 73.308 78.703 84.289 88.702 92.433 96.240 100.124 103.454 105.987 108.552 111.146

Height of building (m) Up to 9 12 18 24 30 36 42 48 54 60 66 72 78 84 90 96 For cladding: 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.

Dynamic F (kN) For sea face 55.787 55.847 56.266 59.937 65.380 71.108 77.129 83.447 88.259 91.878 96.240 99.623 103.247 105.881 108.552 121.149

static F (kN) 59.86 59.86 59.86 63.09 68.1 73.31 78.7 84.29 88.7 92.43 96.24 100.12 103.45 105.99 108.55 111.15

forces Floors wise f1 f2 f3 f4 f5 f6 f7 f8 f9 f10 f11 f12 f13 f14 f15 f16 f17 f18 f19 f20 f21 f22 f23 f24 f25 f26 f27 f28 f29 f30 f31 f32

1353.7

0.05

Comparision of bas 6000 5000

r (kN)

For sea face Height of building (m) Up to 9 12 18 24 30 36 42 48 54 60 66 72 78 84 90 96

4000

5059.05

Comparision of bas 6000

Base shear (kN)

5000

5059.05

4000 3000 2000 1000 0 Type of code

Forces (KN) 115.55 115.55 115.55 122.32 125.7 133.6 137.23 144.5 144.5 144.5 161.66 161.66 161.66 161.66 161.66 161.66 168.73 182.89 182.89 182.89 182.89 182.89 182.89 182.89 182.89 182.89 182.89 182.89 182.89 182.89 182.89 60.96

forces Floors wise f1 f2 f3 f4 f5 f6 f7 f8 f9 f10 f11 f12 f13 f14 f15 f16 f17 f18 f19 f20 f21 f22 f23 f24 f25 f26 f27 f28 f29 f30 f31 f32

5059.05 -0.95

Comparision of base shear (kN) 5059.05

Forces (KN) 59.86 59.86 59.86 59.86 59.86 59.86 59.86 63.09 63.09 68.1 68.1 73.31 73.31 78.7 78.7 84.29 84.29 88.7 88.7 92.43 92.43 96.24 96.24 100.12 100.12 103.45 103.45 105.99 105.99 108.55 108.55 111.15 2656.12

Height of building (m

Comparision of base shear (kN) 5059.05

2656.12

Type of code

5059.05 2656.12

For sea face static Height of building (m) F (kN) Up to 9 59.86 12 59.86 18 59.86 24 63.09 30 68.1 36 73.31 42 78.7 48 84.29 54 88.7 60 92.43 66 96.24 72 100.12 78 103.45 84 105.99 90 108.55 96 111.15