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Tributary area, TA =TW * TL =168 <br />Seismic shear, VSR=(RDL*TA + FDL*TA+2*WDL*TW*THR)*Cs =1091.3 lb <br />Vs=VSR / SL =214.0 plf <br />Wind shear, Vw =(WP * TW * THR) / SL =102.9 plf <br />Therefore V = max(VSR, Vw) =214.0 plf; <br />Use shear wall Type 1 w/ allow =280 plf <br />5.1 ft shr wall panel: <br />Mot = V * HR * (shr wall panel) =8731 Hold-down, Use <br />HDU2 = 2306 lbMr= (WDL*HR)*(shr wall panel)2 / 2=1561 <br />Uplift = [(Mot)*0.7 - (Mr)*(0.6-0.14SDS)] / [1.2 *(shr wall panel)] =883.56 <br />ROOF LEVEL SHEAR WALLS - LINE B <br /> Total shr wall length, SL =Existing shr wall - no change =0 <br />Tributary width, TW =(16) / 2 =8 <br />Tributary length, TL =21 =21.0 <br />Tributary area, TA =TW * TL =168 <br />Seismic shear, VSR=(RDL*TA + FDL*TA+2*WDL*TW*THR)*Cs =1091.3 lb <br />Vs=VSR / SL =#DIV/0!plf <br />Wind shear, Vw =(WP * TW * THR) / SL =#DIV/0!plf <br />Therefore V = max(VSR, Vw) =#DIV/0!plf; <br />Use shear wall Type 1 w/ allow =280 plf <br />Existing shr wall - no change ft shr wall panel: <br />Mot = V * HR * (shr wall panel) =#DIV/0!Hold-down, Use <br />HDU2 = 2306 lbMr= (WDL*HR)*(shr wall panel)2 / 2=###### <br />Uplift = [(Mot)*0.7 - (Mr)*(0.6-0.14SDS)] / [1.2 *(shr wall panel)] =#DIV/0!