Static Wind Load As Per Olden Code

  • July 2020
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HIGHT-RANGE (m) k2

terrain category 3 &class-B 0-10 10.-15 0.88 0.94

Pz=1500k22N/mm2

15-20 0.98

20-30 1.03

1161.6

1325.4

1440.6

1591.35

0-10 3.2 3.2 3.2 0.4

10.-15

15-20

20-30

hight vise Pz distribution Range of height (m) f1 f2 f3 f4 f5 f6 f7 f8 f9 f10 f11 f12

2.8 2.2

1 3.2 0.8

F=18.6*Pd*h F=15.62*Pd*h Hight wise forces distribution a=14.2 Hight b=15.5 wise forces distribution a=15.5 b=14.2 forces Floors wise f1 f2 f3 f4 f5 f6 f7 f8 f9 f10 f11 f12

Forces (KN/m2) forces Floors wise Forces (KN/m2) 69.14 f1 58.06 69.14 f2 69.14 69.14 f3 69.14 77.67 f4 65.23 81.03 f5 68.05 85.74 f6 72.01 92.47 f7 77.66 94.72 f8 79.54 94.72 f9 79.54 101.81 f10 85.5 106.07 f11 89.08 106.07 f12 89.08

2.4 3.2 3.2 1.2

30-30.8 1.09 1782.15

30-38.4

2 3.2 3.2

EARTH QUAKE LOAD FLOOR 1 2 3 4 5 6 7 8 9 10 11 12

Wi (KN) 3937.83 3937.83 3937.83 3937.83 3937.83 3937.83 3937.83 3937.83 3937.83 3937.83 3937.83 2517.78

hi (m) 3.2 6.4 9.6 12.8 16 19.2 22.4 25.6 28.8 32 35.2 38.4

hi2 Wihi2 Qi (KN) 10.24 40323.4 2.48 40.96 161293.6 9.93 92.16 362910.6 22.35 163.84 645174.39 39.73 256 ### 62.08 368.64 ### 89.39 501.76 ### 121.67 655.36 ### 158.91 829.44 ### 201.12 1024 ### 248.3 1239.04 ### 300.44 1474.56 ### 228.61 ∑=Wihi2 ### 1485.02 ∑Qi=VB

Vj (KN) 1485.02 1482.54 1472.6 1450.26 1410.53 1348.45 1259.06 1137.4 978.48 777.36 529.06 228.61

Building dimensions Total Height (m) Total Length (m) Total Width (m) Story height (m)

96 24 12 3

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

HIGHT-RANGE (m) k2 Vz (m/s) Pz=0.6 Vz2

12

1 1

24 IS:875-pt.3,Sec5.3.3.1

47 k2

terrain category 2 &class-c 0-10 0.93 43.71

10.-15 0.97 45.59

15-20 1 47

20-30 1.04 48.88

30-50 1.1 51.7

50-100 1.17 54.99

1.15

1.25

1.33

1.43

1.6

1.81

0-10 3 3 3 1

10.-15

15-20

20-30

30-50

50-100

hight vise Pz distribution Range of height (m) 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

2 3

3 2

1 3 3 3 3 3 3 3 3 3 2

1 3 3 3 3 3 3 3 3 3 3 3 3 3 1

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)

F=Cf*Ae*pd

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

24 12 2 8 1.25

IS:875-pt.3,Sec6.3 F=15*Pd*h Hight wise forces distribution a=24 b=12 Forces (KN) 51.59 51.59 51.59 54.61 56.12 59.64 61.27 64.51 64.51 64.51 72.17 72.17 72.17 72.17 72.17 72.17 75.33 81.65 81.65 81.65 81.65 81.65 81.65 81.65 81.65 81.65 81.65 81.65 81.65 81.65 27.22

Force coefficent a (m) b (m) a/b h/b Cf (IS:875-pt.3,fig.6)

12 24 0.50 4.00 1.4

F=33.6*Pd*h Hight wise forces distribution a=12 b=24 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

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 60.96

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