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ASCE 7-16 Seismic Base Shear <br />LIC# : KW-06019842, Build:20.24.08.01 Structural Engineering Consultants (c) ENERCALC INC 1983-2023 <br />DESCRIPTION:Seismic Base Shear Analysis <br />Project File: Design Check.ec6 <br />Project Title: <br />Engineer: <br />Pro ect ID: <br />Project Descr: <br />Seismic Base Shear ASCE 7-16 Section 12.8.1 <br />W ( see Sum Wi below ) =22.57 kCs = 0.1649 from 12.8.1.1 <br />Seismic Base Shear V = Cs * W =3.72 k <br />Vertical Distribution of Seismic Forces ASCE 7-16 Section 12.8.3 <br />" k " : hx exponent based on Ta =1.00 <br />Table of building Weights by Floor Level... <br />Wi : Weight Hi : Height (Wi * Hi^k) Cvx Fx=Cvx * V Sum Story Shear Sum Story MomentLevel # <br />1 22.57 9.00 203.11 1.0000 3.72 3.72 0.00 <br />Sum Wi = 22.57 k Total Base Shear = 3.72 k <br />Base Moment = <br />203.11 k-ftSum Wi * Hi = <br />33.5 k-ft <br />Diaphragm Forces : Seismic Design Category "B" to "F"ASCE 7-16 12.10.1.1 <br />Level # Wi Fi Fpx : MaxFpx : CalcdSum Fi Sum Wi Fpx Dsgn. ForceFpx : Min <br />1 22.57 3.72 3.72 22.57 3.72 4.84 9.68 4.84 4.84 <br />Wpx . . . . . . . . . . . . . . . . . . . . Weight at level of diaphragm and other structure elements attached to it. <br />Fi . . . . . . . . . . . . . . . . . . . . . . Design Lateral Force applied at the level. <br />Sum Fi . . . . . . . . . . . . . . . . . . Sum of "Lat. Force" of current level plus all levels above <br />0.20 * S * I * WpxMIN Req'd Force @ Level . . . DS <br />DSMAX Req'd Force @ Level . . 0.40 * S * I * Wpx <br />Fpx : Design Force @ Level . Wpx * SUM(x->n) Fi / SUM(x->n) wi, x = Current level, n = Top Level <br />EQ Shear (to design shear elements) <br />EQ (v1) = 3.72 * 1000 * 1.3 / (62 * 13) = 6.0 psf