Laserfiche WebLink
WIND DESIGN Based on ASCE 7-16 [Ch. 28] <br />WIND DESIGN <br />[28.5] Method 2: Enclosed Simple Diaphragm Low-Rise Buildings <br />DESIGN CRITERIA: <br />RISK CATEGORY =II <br />WIND SPEED, V = 110 MPH <br />EXPOSURE = B <br />ROOF SLOPE =0 <br />θ=0.00 <br />ROOF HEIGHT, h =17.5 FT (max) <br />NET PRESSURE: <br />p s =λ K zt p S30 (EQ. 28.5-1) <br />θ <br />h ZONE A <br />(WALL) <br />ZONE B <br />(ROOF) <br />END ZONE <br /> <br />D <br />p s =λ K zt p S30 (EQ. 28.5-1) <br />λ = 1.00 ADJUSTMENT FACTOR [FIG. 28.5-1] <br />K zt =1.0 TOPOGRAPHIC FACTOR <br />(p S30 )A=19.2 PSF - ZONE A, WALL END ZONE [FIG. 28.5-1] ~ WORST CASE ~ <br />(p S30 )D=-5.9 PSF - ZONE D, ROOF END ZONE [FIG. 28.5-1] <br />(p S )A=1.00 1.0 19.2 19.20 PSF <br />(p S )D=1.00 1.0 -5.9 -5.90 PSF <br />THEREFORE: <br />(p S )A=19.20 11.52 PSF {PER 28.5.4} Zone A <br />(p S )D=-5.90 -3.54 PSF {PER 28.5.4} Zone D <br />(ASD LOAD COMBINATION FACTOR FOR WIND) <br /> < 16 PSF MIN. <br /> < 8 PSF MIN. <br />0.6 *( ) = <br />( ) ( )( PSF) = <br />0.6 *( ) = <br />( ) ( )( PSF) = <br />10/15