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Seismic Design IBC 2018 <br /> Site Classification.Criteria Selection.&minimum Design Lateral Force <br /> Risk Category if ASCE 7 T 1.5-1 <br /> Seismic Importance Factor ?j: 1.00 ASCE 7 T 1.5-2 <br /> Seismic Design Category D T1613.2.3(1)and(2) <br /> Site Class D ASCE 7 T 20.3-1 <br /> Short Period Acceleration Ss 1.25 USGSSeismic Design Maps Online. <br /> 1-Second Acceleration Si 0.4 USGSSeisnric Design Maps Online <br /> Seis.Force Resisting System A.15. ASCE i T 12.2-1 <br /> Response Modification Factor R 6.5 ASCE 7 T 12.2-1 <br /> Desien Spectral Response Acceleration Parameters <br /> Site Coeffiecient,Fa 1.2 T1613.2.3(1) <br /> Site Coeffiecient,R, N/A T1613.2.3(2) <br /> Substitute equations 16-36& 16-37 into 16-38& 16-39,respectively. <br /> 2 <br /> S DST—.Fa'sS SDs= 0.83 EQ16-38 <br /> SD1 =2.FV'S ') SDI=N/A EO16-39 <br /> 3 <br /> Seismic base shear ASCE 712.14.8.1 <br /> V=(F SDs/R)W Where: F=1.1 for(2)-story ASCE 7E412.14-12 <br /> Vertical Distribution,Forces at each level ASCE 7 12.14.8.2 <br /> F,=(va,,/W)V F�- 0.140 x%vr ASCE 7 EO 12.14-13 <br /> Effective seismic wleight&Forces lbs)at Level x <br /> roof area(ft') floor area W) story height(ft) wall length(h) <br /> Diaphragm(x=2} 1302 0 8.1. 126 �y <br /> F,;= 3460 weip3it(Ibs) 19530 0 5103 24633 <br /> roof arcs(ft') floor area W) story h6 t(ft) wait length(fy <br /> Diaphragm(x= 1) 47 1040 8375 100 <br /> F,= 2854 wei bt(Ibs) 630 L0400 4188 20321 <br /> Version 7.0 Pg 2.1 <br />