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FUNDAMENTAL SITE PERIODS To AND Ts: <br /> <br />To = 0.2 x (SD1/SDS) To = 0.2 x (0.552/1.028) = 0.107 <br />Ts = (SD1/SDS) Ts = (0.552/1.028) = 0.537 <br /> <br />BUILDING PERIOD (ASCE-07-10 Table 12.8-2): <br /> <br />Ct = 0.02 x = 0.75 <br /> <br />Building Height, average (ft): h = 8’ T = Ct x hx = 0.02 x 80.75 = 0.095 <br /> <br /> <br />DESIGN SPECTRAL RESPONSE ACCELERATION, Sa: <br /> <br />Sa1 = SDS x (0.4 + 0.6 x (T/To) Sa1 = 0.959 <br />Sa2 = SDS Sa2 = 1.028 <br />Sa3 = if (T < To, Sa1, Sa2) Sa3 = 0.959 <br />Sa4 = SD1/T Sa4 = 5.811 <br />Sa = if (T > Ts, Sa4, Sa3) Sa = 0.959 <br /> <br /> <br />DESIGN COEFFICIENTS (ASCE-07-10 Table 12-2-1) <br /> <br />R = 6.5 Ω = 3.0 Cd = 4.0 <br /> <br />BASE SHEAR: <br /> <br />CS1 = SDS/(R/I) CS1 = 0.158 <br /> <br />CS2 = SD1/(T x (R/I) CS2 = 0.894 <br /> <br />Cs3 = if (T ≤ Ts, Cs1, Cs2) Cs3 = 0.158 <br /> <br />CSmin = 0.5S1/(R/I) CSmin = 0.042 <br /> <br />Cs = if (CS3 > Csmin., Cs3, Csmin) Cs3 = 0.158 <br /> <br />Cs = 0.158 ρ = 1.30 per Section 12.3.3.4 & 12.8.1 <br /> <br />V = Cs x W V = 1.30 x 0.158 W <br /> <br />V = 0.205 W <br /> <br />HOLD - 2037 S Garnsey <br />St & #24/10/2025