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# 2305.3 Shear Wall Deflection

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The deflection of wood-frame shear walls shall be determined in accordance with AWC SDPWS. The deflection (Δsw) of a blocked wood structural panel shear wall uniformly fastened throughout with staples is permitted to be calculated in accordance with Equation 23-2.
(Equation 23-2)
For SI:
where:
 A = Area of end-post cross section in square inches (mm2). b = Shear wall length, in feet (mm). da = Total vertical elongation of wall anchorage system (such as fastener slip, device elongation, rod elongation) in inches (mm), at the induced unit shear in the shear wall (v). E = Modulus of elasticity of end posts, in pounds per square inch (N/mm2). en = Staple slip, in inches (mm) [see Table 2305.2(1)]. Gt = Panel rigidity through the thickness, in pounds per inch (N/mm) of panel width or depth [see Table 2305.2(2)]. h = Shear wall height, in feet (mm). v = Induced unit shear, in pounds per linear foot (N/mm). Δsw = Maximum shear wall deflection determined by elastic analysis, in inches (mm).
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