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THE SIDH 0' . . - november29; -016 �s_/ 45 <br /> _ .. SUMMARY: <br /> WIND (front-rear) WIND (left-right) SEISMIC <br /> EV(2ND) = 3082 lbs 2868 lbs 4131 lbs <br /> EV(MAIN) = 4082 lbs 3989 lbs 2241 lbs <br /> NOT APPLICABLE 0 lbs 0 lbs 0 lbs <br /> TOTAL = 7164 lbs 6857 lbs 6372 lbs <br /> DIAPHRAGM SHEAR: 240 PLF <br /> Total diaphragm length = 40.0 ft Sub-diaphragm length =I 40.0 ft <br /> Diaphragm width = 38.0 ft EV(MAIN) = 4,082 lbs <br /> = EV(roof) = 4082 lb = 54 PLF 0.0 ft <br /> (2)(width) 76 ft 79.0 ft <br /> table 4.3A of the AF&PA SDPWS-2008 240 PLF <br /> USE 15/32 CDX ROOF SHEATHING OR 3/4 T&G CDX SUBFLOORING <br /> CHORD: <br /> Sub-diaphragm length = 40.0 ft Total-diaphragm length = 40.0 ft <br /> Sub-diaphragm width = 38.0 ft <br /> T = M = EV x(diaphragm length) = 4082 x 40 ft = 537 lbs <br /> B 8 x(diaphragm width) 8 x 38 ft <br /> Top Plate Size: 2x6 Species/Grade: HF#2 <br /> Area = 8.25 in^2 Ft = 525 psi <br /> • <br /> Load duration (CD) = 1.60 Tallowable = Area x CD x Ft = 6,930 lbs <br /> Since T allowable is greater than T applied, OK. <br /> SHEAR CAPACITY OF 10d COMMON NAIL = 102 lbs 102 x Cd x p = 163 lbs 2008 NDS <br /> # OF NAILS PER 4 FT SPLICE = 537 lbs = 3 <br /> 163 lbs <br /> USE 2x6 HF #2 TOP PLATE W/ (8) 10d COMMON NAILS PER SPLICE. <br />