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Effective length for chord forces Beff= 15.5 - ((1.5) * 1*3.5) / 12 - 0 / 12)=15.062 ft <br />Service condition Dry <br />Temperature 100 degF or less <br />Anchor offset e=0 in <br />Anchor Location Inside face <br />Hold Down HDU2 <br />Vertical anchor stiffness Ka = 34091 lb/in <br />From NDS Supplement Table 4A - Reference design values for visually graded dimension lumber <br />Species, grade and size classification Douglas Fir-Larch, No.2 grade, 2'' & wider <br />Specific gravity G = 0.5 <br />Tension parallel to grain F t=575 lb/in2 <br />Compression parallel to grain F c=1350 lb/in2 <br />Compression perpendicular to grain F c_perp=625 lb/in2 <br />Modulus of elasticity E=1600000 lb/in 2 <br />Minimum modulus of elasticity E min=580000 lb/in2 <br />Sheathing details <br />Sheathing material 15/32'' wood panel Structural I 3 -ply plywood sheathing <br />Fastener type 10d Common nails at 6" centers <br />From SDPWS Table 4.3A Nominal Unit Shear Capacities for Wood-Frame Shear Walls - Wood-based Panels <br />Nominal unit shear capacity V n =950×0.92 =874 plf <br />Apparent shear wall shear stiffness G a=16 kips/in <br />Adjustments for Unblocked wood structural panel <br />Unblocked shear wall adjust.factor Cub1 = 1 <br />Loading details <br />Dead load acting on top of panel DL = 93 lb/ft <br />Floor live load acting on top of panel LL = 90 lb/ft <br />Roof live load acting on top of panel Lr = 88 lb/ft <br />Self weight of panel Swt = 16 lb/ft 2 <br />In plane wind load acting at head of panel WL = 1913 lbs <br />Snow load acting on top of panel SL = 0 lb/ft <br />Rain load acting on top of panel RL = 0 lb/ft <br />Wind load serviceability factor F Wserv= 0.45 <br />In plane seismic load acting at head of panel Eq = 1596 lbs <br />Design spectral response accel. par., short periods S DS =1.069 <br />Page 43 of 290