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Lochsa pro- <br /> Sheet: <br /> n g i n e e r i e q Project: Everett Job No.: 154191 <br /> wvatla:(7o2)385-9312 Co:arado:n23) +-7246 Date: 5/2/2018 <br /> Itla�o:(2O)342.7168 AD.rta(387)77I4040 <br /> Engineer: S.H. <br /> Shear-Friction Reinforcement <br /> ACI 318-14 Section 22.9.4.2 <br /> Shear wall force F= 154 kips <br /> Shear wall length L= 21.5 ft <br /> 25%increase for ASCE 7-10 Section 12.3.3.4 Yes <br /> Note: Overstrength factor does not apply to the design of the shearwall dowels because the dowel connection <br /> to a concrete shearwall is continuous along the entire length of the wall and includes multiple pieces of <br /> reinforcement. <br /> Shear demand Vu= 193 kips <br /> Strength reduction factor for shear = 0.6 <br /> Yield strength of reinforcement fy= 60 ksi <br /> Modification factor for lightweight concrete A= 1.00 <br /> Coefficient of friction µ= 1.0 A 1.00 <br /> Vu <br /> Required area of shear-friction reinforcement per foot Avf req= 0.249 in2 A„f = Lyu <br /> Rebar size #5 <br /> Rebar spacing 12 in <br /> Area per foot Avf= 0.31 in2 <br /> Summary: Use#5 bars at 12 in. oc. <br /> Lochsa Engineering www_lochsa.com 9-866-606-M10 <br />