Laserfiche WebLink
19o11 Wood-Sno Road NE,Suite 100 <br /> V., <br /> Wood nvi ke,WA 98072-4436 <br /> Phone:425-814-$448 <br /> Fax:425-821-2120 <br /> E NGINEEfiIt':G <br /> Pacific Ridge Homes Revision Date: 1/11/2021 <br /> Thelon (Elevations A & B) <br /> Redundancy, p ® (Section 12.3.4) <br /> ' ©esi n Base Shear <br /> SMs = FaSs (Eq. 11.4-1) SMl = F„S, (Eq. 11.4-2) <br /> = 1.80 = 0.90 <br /> S as = a/s S iris (Eq. 11.4-3) S d j = %S,u 1 (Eq. 11.4-4) <br /> - 1.20 0.60 <br /> I - <br /> Seismic Design Category: Structure Period and Weight: <br /> Short Period-- D <br /> 1-Second Period-- D C, = 0.020 Table 12.8-2 <br /> x = 0.75 <br /> Building Height(Mean Roof),h„ = 24 ft <br /> Approximate Fundamental Period, T. = C, (h„)" (Eq 12 8-7) <br /> T= Ta = 0.22 <br /> T L = 6 (Figs. 22-14 thru 22-17) <br /> Calculated design base shear. <br />( V= CS W (Eq. 12.8-1) <br /> SDS <br /> CS = [R� (Eq. 12.8-2) <br /> le <br /> CS = 0.18 <br /> r <br /> The total design base shear need not exceed: <br /> (Eq. 12.8-3) (Eq. 12.8A) <br /> SDI SD 1 Tr. <br /> for T TL Cs = T for T Ti CS = T2(1t1 <br /> is �R/e� ` e <br /> CS = 0.43 Cs = 11.78 <br /> Cs = 0.43 TsTL <br /> CS = 0.64 1.5 times Cs in accordance with 11.4.8 <br /> The total design base shear shatl not be less than: <br /> CS = 0.044S1,s1. z 0.01 (Eq. 12.8.5) <br /> L Cs = 0.05 <br /> nor where S, z 0.69: <br /> Cs = 0.55j1(R/1e) (Eq. 12.8-&) <br /> CS = 0.00 <br /> i - <br /> CS = 0.18 <br /> V= 0.18 W Date:4/612022 <br /> Page: _ 1-1_3 <br /> i <br />