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Seismic Design_ IBC 2018 <br />Site Classification. Criteria Selection & Minimum Design Lateral Force <br />Risk Category <br />11 <br />Seismic Importance Factor <br />lE <br />1.00 <br />Seismic Design Category• <br />E? <br />Site Class <br />D <br />Short Period Acceleration <br />Ss <br />1.25 <br />]-Second Acceleration <br />S1 <br />0.4 <br />Seis. Force Resisting System <br />A_ 15. <br />Response Modification Factor <br />R <br />6.5 <br />Design Spectral Response Acceleration Parameters <br />Site Coeffiecient, Fa 1.2 <br />Site Coeffiecient, F,., N/A <br />Substitute equations 16-36 & 16-37 into 16-38 & 16-39, respectively. <br />2 <br />SDS.Fa*ss S"=0.83 <br />2 <br />SD1=3'FVS1 SDI =N/A <br />Seismic base shear ASCE 712.14.8.1 <br />V = (F Sns/R) W Where: F=1.I for (2)-story <br />Vertical Distribution. Forces at each Ievel ASCE 7 12 14 8' <br />F. = (w,;/W) V <br />F, - 0.140 x NNz. <br />FMrtivP SPicmir waiaht 9, rnrrna nk,, �t T _, v <br />ASCE 7T1.5-1 <br />ASCE 7 T 1.5-2 <br />T1613.2.3(1) and 0) <br />ASCE 7 T 20.3-1 <br />USGS Seismic Design Maps Online <br />USGS Seismic Design Maps Online <br />ASCE 7 T 12.2-1 <br />ASCE 7 T 12.2-1 <br />T1613.2.3(1) <br />T1613.a3(2) <br />EQ 16-38 <br />EQ 16-39 <br />ASCE 7 EO 12.1441 <br />ASCE 7 EQ 12.14-13 <br />Diaphragm (x = ?) <br />F, = 3460 <br />roof area (fY) <br />Boor aria (f6 <br />sto .. height (rt) wall length (fi ) <br />- <br />w c <br />1302 <br />0 <br />8.1 126 <br />weight (Ibs) <br />19530 <br />0 <br />5103 <br />24633 <br />Diaphragm (x = 1) <br />F,- 2854 <br />roof area (fe) <br />floor area (fr=) <br />ston height (ft) <br />wall length (ft) <br />42 <br />1040 <br />8375 <br />100 <br />weighs (Ibs) <br />630 <br />10400 <br />4188 <br />20321 <br />Version 7.0 Pg 2.1 <br />