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• <br /> Seismic Design IBC 2015 <br /> Site Clasification,Criteria Selection,&Minimum Design Lateral Force <br /> Risk Category II ASCE 7 T 6-1[77] <br /> Seismic Importance Factor IE 1.00 ASCE 7 T 1.5-2[5] <br /> Seismic Design Category D T1613.3.5(1)and(2)[398] <br /> Site Class D ASCE 7 T 20.3-1[204] <br /> Short Period Acceleration Ss 1.33 F1613.3.1(1)[388-9J <br /> 1-Second Acceleration Si 0.47 USGS Seismic Design Maps Online <br /> Seis.Force Resisting System A.15. ASCE 7 T 12.2-1[73] <br /> Response Modification Factor R 6.5 ASCE 7 T 12.2-1[73J <br /> Design Spectral Response Acceleration Parameters <br /> Site Coeffiecient,Fa 1.2 T1613.3.3(1)[387] <br /> Site Coeffiecient,Fv N/A T1613.3.3(2)[387] <br /> Substitute equations 16-37& 16-38 into 16-39& 16-40 respectively, <br /> S DS=3•F a.S s Sips= 1.06 EQ 16-39[387] <br /> S D 1 = 32-F v.S 1 SDI=N/A EQ 16-40[387] <br /> Simplified analysis,Seismic base shear ASCE 7 12.14.8[1081 <br /> V=(F SDs/R)W Where: F=1.1 for(2)-story ASCE 7 EQ 12.14-11[108] <br /> Vertical Distribution,Forces at each level ASCE 7 12.14.8[1081 <br /> Fx=(wx/W)V Fx= 0.180 x wx ASCE 7 EQ 12.14-12[109] <br /> Effective seismic weight&Forces(lbs)at Level x <br /> roof area(ft2) floor area(ft2) story height(ft) wall length(ft) <br /> Diaphragm(x=2) wX <br /> 2047 0 8.1 165 <br /> Fx= 6732 weight(lbs) 30705 0 6683 37388 <br /> Diaphragm(x=1) roof area(ft2) floor area(ft2) story height(ft) wall length(ft) Wx <br /> 287 1778 9 163 <br /> Fx= 6501 weight(lbs) 4305 17780 7335 36103 <br /> Version 7.0 Pg 2.1 <br />