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DATE:V I N C I & A S S O C I A T E S SHEET:4 <br />PROJECT:Jesse Gibbs Residence Structural Engineers JOB NO.:22-3457 <br />214 W. Alton Ave.175 E. WILBUR ROAD, STE 103 • THOUSAND OAKS, CA 91360 ENGR.:JRV <br />Santa Ana, CA 805.496.2100 • VinciSE.com <br />CLIENT:Baker Home Energy <br />LATERAL FORCES: (Base Shear Calculations -2022 CBC /ASCE-16 ) <br />SEISMIC: <br />Site Class:D (Use D if unknown) <br />S1=0.458 (USGS Software)SS=1.28 (USGS Software) <br />Fv =1.7 (Table 11.4-2)Fa =1.2 (Table 11.4-1) <br />I =1.0 (Sec 1.5-2 ASCE 7-16) <br />R =6.5 (Table 12.2-1 ASCE 7-16) <br />SMS =Fa * SS =1.532 (Eq. 16-20)SDS = (Eq. 16-39) <br />SM1=Fv * S1 =0.779 (Eq. 16-21)SD1 = (Eq. 16-40) <br />TL = 8 s (Fig 22-14, ASCE 7) <br />Ts = SD1 / SDS =0.508 s 80% x 0.508 = >0.112 s <br />Ta = Ct * (hn)x =(Eq. 12.8-7)Ct =0.02 (Table 12.8-2 ASCE 7-16) <br />hn =10.0 ft x =0.75 (Table 12.8-2 ASCE 7-16) <br />k = 1.0 <br />* *GOVERNS * * <br />VMIN = ( SDS) / ( R / I ) =0.16 W (Eq. 12.8-2 ASCE 7-16) <br />NEED NOT EXCEED: <br />IF T ≤ TL USE: <br />V = ( SD1) / T *( R / I ) =W (Eq. 12.8-3 ASCE 7-16) <br />IF T TL USE: <br />V = ( SD1)*(TL) / T² *( R / I ) =W (Eq. 12.8-4 ASCE 7-16) <br />SHALL NOT BE LESS THAN: <br />V = W (Eq. 12.8-5 ASCE 7-16) <br />0.406 <br />0.01 <br />50.51 <br />0.71 <br />7/18/2024 <br />0.112 s <br />1.02 <br />0.52 <br />²/3 * SMS = <br />²/3 * SM1 = <br />214 W Alton Ave <br />10/8/2024