Calculate Calculation the wind velocity pressures of 160 ft tall office building illustrated in Figure 1 using the analytical procedure of ASCE 7-05 referred to Kishor C. Mehta and William L.
...
Colbourne - Wind Loads - Guide to the Wind Load Provisions of ASCE 7-05 (ASCE) (2011) .
...
Figure 1. High Building Example
Location : Near Houston, Texas
Topography : Homogeneous
Terrain : Suburban
Dimensions : 100ft x 200ft in plan,
Roof height of 157 with 3 ft paraphet
...
Flat roof
Framing : Reinforced concrete rigid frame in both directions
Floor and roof slabs provide diaphragm action
Fundamental natural frequency is assumed to be greater than 1 Hz
Velocity pressures of MWFRS
Height, ft | Reference | Building Design Suite | Percent Difference | |||
|---|---|---|---|---|---|---|
Kz | qz, psf | Kz | qz, psf | Kz | qz, | |
psf | |
|---|---|
0-15 | 0.57 |
17. |
9 | 0.57 |
17. |
86 | 0% | 0. |
22% | |
30 | 0.70 |
21. |
9 | 0.70 |
21. |
93 | 0% | 0. |
13% | |
50 | 0.81 |
25. |
4 | 0.81 |
25. |
33 | 0% | 0. |
27% | |
80 | 0.93 |
29. |
1 | 0.93 |
29. |
03 | 0% | 0. |
24% | |
120 | 1.04 |
32. |
6 | 1.04 |
32. |
59 | 0% | 0. |
03% | |
157 | 1.12 |
35. |
1 | 1.12 |
35. |
09 | 0% | 0. |
02% | |
160 | 1.13 |
48.1
1.13
48.19
0%
35.4 | 1.13 | 35.41 | 0% | 0.02% |
Wall Cp for the example
Surface | L/B | Reference | Building Design Suite | Percent Difference |
|---|---|---|---|---|
Cp | Cp | Cp | ||
Windward Wall | All | 0.80 | 0.80 | 0% |
Leeward Wall | 0.5 | -0.50 | -0.50 | 0% |
2 | -0.30 | -0.30 | 0% |
External Pressures for MWFRS: Wind Normal to 200-ft Face
Surface | z, ft | q, psf | Cp | Reference | Building Design Suite | Percent Difference |
|---|---|---|---|---|---|---|
External Pressures, psf | External Pressures, psf | External Pressures, psf | ||||
Windward Wall | 0-15 | 17.9 | 0.80 | 11.9 | 11.89 | 0.08% |
30 | 21.9 | 0.80 | 14.5 | 14.56 | 0.04% | |
50 | 25.4 | 0.80 | 16.9 | 16.87 | 0.17% | |
80 | 29.1 | 0.80 | 19.3 | 19.28 | 0.10% | |
120 | 32.6 | 0.80 | 21.7 | 21.64 | 0.27% | |
157 | 35.1 | 0.80 | 23.3 | 23.3 | 0% | |
Leeward Wall | All | 35.1 | -0.50 | -14.6 | -14.6 | 0% |
External Pressures for MWFRS: Wind Normal to 100-ft Face
Surface | z, ft | q, psf | Cp | Reference | Building Design Suite | Percent Difference |
|---|---|---|---|---|---|---|
External Pressures, psf | External Pressures, psf | External Pressures, psf | ||||
Windward Wall | 0-15 | 17.9 | 0.80 | 11.9 | 11.89 | 0.08% |
30 | 21.9 | 0.80 | 14.5 | 14.56 | 0.04% | |
50 | 25.4 | 0.80 | 16.9 | 16.87 | 0.17% | |
80 | 29.1 | 0.80 | 19.3 | 19.28 | 0.10% | |
120 | 32.6 | 0.80 | 21.7 | 21.64 | 0.27% | |
157 | 35.1 | 0.80 | 23.3 | 23.3 | 0% | |
Leeward Wall | All | 35.1 | -0.30 | -8.7 | -8.73 | 0.34% |
Verification object link