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H Upper Floor Shear Walls <br /> Shear Wall Check - Upper Floor to Roof(ref. ANSI/AF&PA SDPWS-2015) <br /> SW 1 IN - PLANE SHEAR <br /> S <br /> ht:= 7•ft Wal height <br /> Ls:= 15ft+ 3.67ft+ 6.83ft+ 9.5ft Total shear wall length art <br /> DLrf = 15•psf Dead load of roof h <br /> R:= RLrf 1 =2.74•kip Reaction at wall line `t <br /> wrf 12ft Trbutary width of roof on wal <br /> 0 sf • <br /> Dead load of exterior walls <br /> pext_w — p <br /> ws• 3.67ft Shear wall length T C <br /> Aspect Ratio (Blocked Shear Wall) <br /> ht "h <br /> = 1.91 checkratio :_ if t >3.5,"NG","OK" checkratio = "OK" <br /> ws ma's <br /> ht ht <br /> (WSP) := if <2.0,1.0,1.25 — 0.125• Aspect ratio factor (WSP) = 1.0 <br /> s s1 <br /> Overturning Forces <br /> I ws <br /> Vrf := R.- 0.6 Shear load at top of wall(ASD) Vrf =0.17•kip <br /> Ls/ <br /> Mot•= Vrf•ht Overturning moment(ASD) Mot= 1.2•kip•ft <br /> Resisting Forces <br /> Prf DLrf•Wrf•(Ws) Roof load Prf =0.33 kip <br /> Pw pext_w.(ht).(ws) Wal load Pam,=0.26•kip <br /> Mres [(Prf + Pw). 0.6 Resisting moment(ASD)2 Mres=0.65•kip•ft <br /> 02_Lateral Analysis.xmcd 3 <br /> S14 <br />