Laserfiche WebLink
ASCE 7-16 Wind Forces Chpt 28, Pt2 & Chpt 30, Pt2 <br />LIC# : KW-06019842, Build:20.23.07.20 Structural Engineering Consultants (c) ENERCALC INC 1983-2023 <br />Project File: Design Check_2 Story.ec6 <br />Calculations per ASCE 7-16General Design Values <br />96.0 <br />Roof Rise:Run Ratio 4:12 <br />Exposure C <br />23.0 <br />10.0 <br />10.0 <br />Flat/Hip/Gable Roo <br />psf <br />Topographic Factor Kzt per 26.8 1.00 <br />LHD : Least Horizontal Dimension ft <br />a = max (0.04 * LHD, 3, min(0.10 * LHD, 0.4*MRH))3.00 ft <br />Effective Wind Area of Component & Clad <br />V : Basic Wind Speed per Sect 26.5-1 or 2 mph <br />Roof pitch for cladding pressu <br />ft^2 <br />Occupancy per Table 1.5-1 II ll Buildings and other structures except those listed <br />Exposure Category per 26.7 <br />MRH : Mean Roof Height ft <br />Lambda MWFRS: per Figure 26 1.35 <br />User specified minimum design pressu <br />1.40Lambda Component & Cladding : per Figur <br />Main Force Resisting System Val Component & Cladding Values <br />Design Wind Pressures <br />Horizontal Pressures . . . <br />Zone: A = 27.32 psf Zone: C = 18.20 psf <br />Zone: B = -10.00 psf Zone: D = -10.00 psf <br />Vertical Pressures . . . <br />Zone: E = -23.73 psf Zone: G = -16.55 psf <br />Zone: F = -16.55 psf Zone: H = -12.56 psf <br />Overhangs . . . <br />Zone: Eoh = -33.24 psf Zone: Goh = -25.95 psf <br />ASCE 7-16 Section 28.5.4 Minimum Design Wind Loads requires that the load effects of the design wind pressures from Section 28.5.3 shall <br />not be less than a minimum load defined by assuming the pressures, ps, for zones A and C equal to +16 psf, Zones B and D equal to +8 psf, <br />while assuming ps for Zones E, F, G, and H are equal to 0 psf. <br />Design Wind Pressure = Lambda * Kzt * Ps30 peComponent & Cladding Design Wind Pres <br />Zone 1 <br />Positive <br />10.000 psf <br />Negative <br />-37.044 <br />psf <br />Zone 2 10.000 psf-48.776 <br />psf <br />Zone 3 10.000 <br />psf <br />-66.500 <br />psf <br />Wall Zone 4 : 23.184 -25.172 psf <br />Wall Zone 5 : 23.184 psf-31.052 <br />psf <br />-45.220 <br />psf <br />-62.944psf <br />Roof Pressures Negative <br />psf <br />Wall Pressures <br />Overhang Pressures <br />Zone 3e <br />Zone 3r <br />Zone 2e <br />Zone 2n <br />Zone 2r <br />Zone 1'psf <br />psf <br />psf <br />psf <br />psf <br />psf <br />psf <br />psf <br />Zone 1 <br />Zone 2 <br />Zone 3 <br />Zone 3e <br />Zone 3r <br />Zone 2e <br />Zone 2n <br />Zone 2r <br />Zone 1'10.000 -21.308 <br />*** *** <br />*** *** <br />*** *** <br />*** *** <br />'*** : There is no value in Figure 30.4-1 Tabular Values <br />*** *** <br />-33.460 <br />-33.460 <br />*** <br />*** <br />*** <br />*** <br />*** <br />Design wind Load <br />V2 (wind) = 18.20 * (8/2) * 2 = 146.0 plf <br />V1 (wind) = 27.32 * (8/2) * 2 / 2 = 130.0 plf <br />Pa e 44 of 54