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HomeMy WebLinkAboutWind Load Calculation TABLE R301.2(2) COMPONENT AND CLADDING LOADS FOR A BUILDING WITH A MEAN ROOF HEIGHT OF 30 FT.LOCATED IN EXPOSURE B (ASD)(psf)a,b,c,d,e,f EFFECIVE ULTIMATE DESIGN WIND SPEED, L(�r(mph) ZONE WIND AREA (feet2) 110 115 120 130 140 150 1 160 170 180 4 10 13.1 -14.0 14.3 -15.0 15.5 -16.0 18.2 -19.0 21.2 -22.0 24.3 -26.0 27.7 -30.0 31.2 -33.0 35.0 -37.9 4 20 12.5 -13.0 13.6 -14.0 14.8 -16.0 17.4 -19.0 20.2 -22.0 23.2 -25.0 26.4 -28.0 29.7 -32.0 33.4 -36.4 4 50 11.7 -12.0 12.8 -14.0 13.9 -15.0 16.3 -17.0 19.0 -20.0 21.7 -23.0 24.7 -27.0 27.9 -30.0 31.3 -34.3 4 100 11.1 -12.0 12.1 -13.0 13.2 -14.0 15.5 -17.0 18.0 -19.0 20.6 -22.0 23.5 -25.0 26.5 -29.0 29.8 -32.7 4 500 10.0 -10.0 10.6 -11.0 11.6 -12.0 13.6 -15.0 15.8 -17.0 18.1 -20.0 20.6 -22.0 23.2 -25.0 26.1 -29.0 5 13.1 -17.0 14.3 -19.0 15.5 -20.0 18.2 -24.0 21.2 -28.0 24.3 -32.0 31.21 41.0 35.0 -46.8 5) 20 12.5 -16.0 13.6 -17.0 14.8 -19.0 17.4 -22.0 20.2 -26.0 23.2 -30.026.4 -34.0 29.7 -39.0 33.4 43.7 5 50 11.7 -14.0 12.8 -16.0 13.9 -17.0 16.3 -20.0 19.0 -23.0 21.7 -27.0 2 .7 -31.0 27.9 -35.0 31.3 -39.5 5 100 11.1 -13.0 12.1 -14.0 13.2 -16.0 1515 -19.0 18.0 -22.0 20.6 -25.0 23.5 -28.0 26.5 -32.0 29.8 -36.4 5 1 500 1 10.0 -10.0 10.6 11.0 11.6 -12.0 13.6 -15.0 15.8 -17.0 18.1 -20.0 20.6 -22.0 23.2 -25.0 26.1 -29.0 TABLE R301.2(3) HEIGHT AND EXPOSURE ADJUSTMENT COEFFICIENTS FOR TABLE R301.2(2) MEAN ROOF HEIGHT EXPOSURE B C D 15 1.00 1.47 20 1.00 1.29 1.55 5 1.00 1.61 30 1.00 1.40 1.66 35 1.05 1.45 1.70 40 1.09 1.49 1.74 45 1.12 1.53 1.78 50 1.16 1.56 1.81 55 1.19 1.59 1.84 60 1.22 1.62 1.87 POS. NEG. REQUIRE DESIGN PRESSURES FOR OPENING 1 34.1 -43.9