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External ( q_h G C_p = 17.63 \times 0.85 \times (-0.9) = -13.49 ) psf. [ p_+0.18 = -13.49 - 3.17 = -16.66 \text psf ] [ p_-0.18 = -13.49 + 3.17 = -10.32 \text psf ] Design roof uplift = -16.66 psf.
Before calculating pressures, you must establish the site-specific criteria: Wind-Asce 7-10 | PDF - Scribd
In 7-05, the wind load factor in LRFD combinations is 1.6 . In newer versions, it is 1.0 .
Wind doesn’t hit a building as a "force"; it hits as a . ASCE 7-05’s primary job is to convert kinetic energy (moving air) into static pressure (pounds per square foot). The core formula for velocity pressure (
The wind load calculation procedure in is the foundational method used for structural design in the mid-2000s. It primarily centers on calculating the velocity pressure (