Wind blows on the side of a fully enclosed hospital located on open flat terrain where V = 120 mi/h. Windward wall has a height of 30 ft. The roof is flat. Use the table below to determine Kz for the formula for the design wind pressure according to the ASCE 7-10 Standard. Velocity Pressure Exposure Coefficient for Terrain with Low-Lying Obstructions z(ft) z(m) Kz 0-15 0-4.6 0.85 20 6.1 0.90 25 7.6 0.94 30 9.1 0.98 40 12.2 1.04 50 15.2 1.09 A) Determine the design wind pressure acting on the windward wall of the building at the height of 25 ft above the ground for a positive internal building pressure using the ASCE 7-10 Specifications. p25= ______ psf B) Determine the design wind pressure acting on the windward wall of the building at the height of 30 ft above the ground for a positive internal building pressure using the ASCE 7-10 Specifications. p30= ______ psf C) Determine the design wind pressure acting on the windward wall of the building at the height of 0-15 ft above the ground for a negative internal building pressure using the ASCE 7-10 Specifications. p0-15= ______ psf
Wind blows on the side of a fully enclosed hospital located on open flat terrain where V = 120 mi/h. Windward wall has a height of 30 ft. The roof is flat. Use the table below to determine Kz for the formula for the design wind pressure according to the ASCE 7-10 Standard.
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| Velocity Pressure Exposure Coefficient for Terrain with Low-Lying Obstructions | ||
| z(ft) | z(m) | Kz |
| 0-15 | 0-4.6 | 0.85 |
| 20 | 6.1 | 0.90 |
| 25 | 7.6 | 0.94 |
| 30 | 9.1 | 0.98 |
| 40 | 12.2 | 1.04 |
| 50 | 15.2 | 1.09 |
A) Determine the design wind pressure acting on the windward wall of the building at the height of 25 ft above the ground for a positive internal building pressure using the ASCE 7-10 Specifications.
p25= ______ psf
B) Determine the design wind pressure acting on the windward wall of the building at the height of 30 ft above the ground for a positive internal building pressure using the ASCE 7-10 Specifications.
p30= ______ psf
C) Determine the design wind pressure acting on the windward wall of the building at the height of 0-15 ft above the ground for a negative internal building pressure using the ASCE 7-10 Specifications.
p0-15= ______ psf
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