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Seismic Load <br />Seismic Design Category D see USGS Report <br />Structural Height, hn =11.1 ft House Mean Roof Height <br />Ct =0.02 ASCE 7-16 Table 12.8-2 <br />x =0.75 ASC.E 7-16 Table 12.8-2 <br />Approximate Fundamental Period, Ta = Cthn <br />x =0.121 s ASCE 7-16 Eq. 12.8.2.1 <br />T0=0.2SD1/SDS =0.101 s ASCE 7-16 Sec. 11.4.5 <br />Ts=SD1/SDS =0.505 s ASCE 7-16 Sec. 11.4.5 <br />TL =8.00 s see USGS Report <br />S1 =0.474 g see USGS Report <br />SDS =1.063 g see USGS Report <br />SD1 =0.537 g see USGS Report <br />Per ASCE 7-16 12.8.1.3,SS =1.329 g <br />Consequentially,SDS = 2/3FaSS =1.063 g <br />For Wood Shearwalls, R =6.5 ASCE 7-16 Table 12.2-1 <br />For Special Reinforced CMU Shearwalls, R =5.0 ASCE 7-16 Table 12.2-1 <br />Seismic Importance Factor, Ie =1.0 ASCE 7-16 Table 1.5-2 <br />Redundancy Factor for Shear Walls, ρ =1.3 ASCE 7-16 Sec. 12.3.4.2 <br />Cs =SDS/(R/Ie) =0.164 ASCE 7-16 Eq. 12.8-2 <br />Must not exceed For T≤TL 0.682 ASCE 7-16 Eq. 12.8-3 <br />For T>TL 45.00 ASCE 7-16 Eq. 12.8-4 <br />Where S1 ≥ 0.6g Cs, shall not be less than 0.036 ASCE 7-16 Eq. 12.8-6 <br />For CMU Shearwalls, Cs =SDS/(R/Ie) =0.213 ASCE 7-16 Eq. 12.8-7 <br />Must not exceed For T≤TL 0.886 ASCE 7-16 Eq. 12.8-3 <br />For T>TL 58.50 ASCE 7-16 Eq. 12.8-4 <br />Where S1 ≥ 0.6g Cs, shall not be less than 0.047 ASCE 7-16 Eq. 12.8-6 <br />Must not be less than 0.044SDSIe ≥ 0.01 0.047 ASCE 7-16 Eq. 12.8-5 <br />Effective Building Seismic Weight, W = 58.2 kips <br />Base Shear, V=CsW =9.5 kips ASCE 7-16 Eq. 12.8-1 <br />Level hx hx <br />k Wx(kip) Wxhx <br />k Cvx Fx (kip)V (kip)Fx/Wx ΣFx/ΣWx Coeff Fpx (kip) <br />Roof (D1)11.1 11.1 58 643 1.00 9.5 0.0 0.164 0.164 1.00 12.37 <br />Σ =58.2 643 1.0 9.5 9.5 <br />Equivalent Lateral Force Procedure