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• . <br /> c Tacoma,Washington Designed: OMA Date: 11/1/2022 Project Number: 19.933 <br /> �7 S�}�lls&h��� 253-474-9449 Checked: CJT Date: 11/4/2022 29 <br /> Project: Emerald Court Carports <br /> MEMBER CHECKS.CONTINUED <br /> Check breakout of Column in Footing using AISC Design Guide 1, Section 4.9.Verify the bearing <br /> strength and shear strength of the concrete in front of the column.See page 27 for bearing check. <br /> The concrete shear resistance in front of the column will be evaluated as a uniform tensile stress <br /> similar to a shear lug per AISC Design Guide 1: <br /> le:=1.75 ft worst-case embedment length of column <br /> 8„=15.664 kip maximum bearing demand.This is based on a p of 1.3, <br /> which is greater than the overstrength, no,of 1.2 <br /> d:=6 in assumed breakout height of Column in Footing <br /> A,,:=(d+7.3869 in) (18.7737 in)—d(4 in)=227.3 in2 conservatively estimated breakout <br /> area as shown below <br /> 0:=0.75 resistance factor for concrete breakout per ACI Design <br /> Guide 1, Section 4.9 <br /> Va:=0 4 \M. (psi) A„=34098 tbf available shear resistance of the footing per ACI Design <br /> Guide 1,Section 4.9 <br /> B„ <br /> —=46% shear strength of concrete is adequate <br /> Va <br /> NN <br /> NN <br /> 1a3j31° <br /> A <br />