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Overturning Capacity <br />Compression Posts: <br />c = 0.90 KFc <br />cp = 0.90 KFcp <br />KLe/d = (h-3(1.5"))/b ≤ 50 ∴ OK <br />Left side of shearwall Right side of shearwall <br />(1) 4x2 (1) 4x2 <br />d1 d2 <br />AC1 AC2 <br />Fc Fc <br />CF CF <br />Fc* = FcCF Fc* = FcCF <br />Emin E'min = Emin Emin E'min = Emin <br />c for sawn lumber c for sawn lumber <br />FcE FcE <br />Cp Cp <br />F'c = FcCFCp F'c = FcCFCp <br />P ≥ C1 ∴ OK P ≥ C2 ∴ OK <br />Fcp bearing from sill plate end ≥ 3''Fcp bearing from sill plate end ≥ 3'' <br />Cb = (d₁ + 0.375'')/d₁Cb = (d₂ + 0.375'')/d₂ <br />F'cp = FcpCb F'cp = FcpCb <br />P ≥ C1 ∴ OK P ≥ C2 ∴ OK <br />Holdown Anchors: <br />z = 0.65 KFz <br />t = 0.80 KFt <br />Left side of shearwall Right side of shearwall <br />(1)Simpson Holdown Anchor (1)Simpson Holdown Anchor <br />CL db = 0'' dab CL db = 0'' dab <br />Tallow Tallow <br />T1 ≥ T1 ∴ OK T2 ≥ T2 ∴ OK <br />Ft F't = FtCF Ft F't = FtCF <br />Anet1 Anet2 <br />T1 ≥ T1 ∴ OK T2 ≥ T2 ∴ OK <br />= 0.5'' <br />= 2,461 lbs <br />(160%) <br />= 580,000 psi <br />= 1.67 <br />D. Fir-Larch <br />= 580,000 psi = 580,000 psi <br />= 1.5'' <br />= 0.8 <br />= 1,350 psi <br />= 616 psi <br />= cKFcF'cAC1 <br />= 698 psi <br />= 661 psi <br />= 0.822Emin/(Kle/d)2 <br />= 1,350 psi <br />= 1.15 <br />= 1,553 psi <br />= 2.40 <br />= nbd2 <br />= zKFznhd(Tallow/1.6) <br />= 6,165 lbs <br />No. 2D. Fir-Larch <br />= 0.397 <br />= 616 psi <br />= cKFcF'cAC2 = 6,990 lbs <br />= 625 psi <br />= 1.25 <br />= cpKFcpF'cAC2 <br />(160%) <br />= 5.16 in² <br />= tKFtF'tAnet2 <br />= 575 psi <br />= 781 psi= 781 psi <br />= 580,000 psi <br />= cpKFcpF'cAC1 <br />= 0.8 <br />= AC1 - d1(db+1/16'') <br />= 0.5'' <br />= 5.25 in² <br />= 1,553 psi <br />= 26.1 <br />= 0.397 <br />DTT2Z <br />= 3.32 <br />= 698 psi <br />= 7,365 lbs= 7,365 lbs <br />= 1.15 <br />= 1.25 <br />= nbd1 = 5.25 in² <br />DTT2Z <br />= 1,825 lbs <br />= 0.8125'' <br />= AC1 - d1(db+1/16'') <br />= 1,825 lbs <br />= 0.8125'' <br />= zKFznhd(Tallow/1.6) <br />= 6,990 lbs <br />= 2,461 lbs <br />= 2.70 <br />No. 2 <br />= 661 psi <br />= 1.5'' <br />= 0.822Emin/(Kle/d)2 <br />= 6,165 lbs <br />= 625 psi <br />= tKFtF'tAnet1 <br />= 5.16 in² <br />= 575 psi <br />ADU 1123 Magnolia Ave. <br />Proj. No. 16113.00 09/30/24 <br />17 <br />1123 S Magnolia Ave <br />Unit# 22/19/2025