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T 19011 Wood-Sao Road NE,Suite 100 <br /> Woodinville,WA 98072-4436 <br /> Phone:425-814-8448, <br /> ENGINEERING Fax:425-821-2120 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bending formula: <br /> [fe/Fc]2+fb/Fe[1-(fc/FcE)]<1 in which: FcE=0.822(Emin')/(eld)2 <br /> Wall: Interior Walls Wall Height: 9 ft <br /> Desired Stud Spacing: 24 in oc <br /> No Fire Rating Design Axial Dead Load: 203 plf <br /> 2x4 N► Design Axial Live Load: 540 plf <br /> SPF Stud er Design Axial Snow Load: 0 plf <br /> Design Lateral Pressure(0.6W): 5 psf <br /> Deflection Criteria: U 180 <br /> STUD CHECK ee/d < 50 OK <br /> D+0.6W(Co= 1.60) <br /> [fdFc 2 +fb/Fp[1-(f jFcE)] = 0.41 < 1 OK <br /> fcJFCE2+(fbIFbEY= 0.00 < 1 OK <br /> D+0.75L+0.75(0.6W)+0.75S(C0 = 1.60) <br /> [fe/Fc]`+fb/Fb[1-(fdFcE)]= 0.99 < 1 OK <br /> fC/FCE2+(fb/FbEY= 0.00 < 1 OK <br /> D+0.75L+0.75S (C0= 1.15) <br /> ffJFc'= 0.69 < 1 OK <br /> D+L(CD= 1.0) <br /> fc/FG'= 0,86 < 1 OK <br /> Deflection(No Increase for Load Duration): <br /> Defl: U 180 = 0.60 0.23 < 0.60 OK <br /> SPF Stud 2x4 @ 24 oc OK <br /> PLATE CRUSHING CHECK' <br /> Checks Crushing for Stud Spacings <br /> No Stress Increase for Load Duration <br /> Hem Fir Plates: fJFej!= 0.46 < 1 OK <br /> Douglas Fir Plates: fJFni= 0.30 < 1 OK <br /> Plate must also be checked for bending. <br /> 2 Check on crushing only applies to stud spacing.Joists above <br /> must also be checked for crushing effect on plate. <br /> Also, no stress increase is allowed due to load duration. <br /> Date: 1/27/2021 <br /> Page: M 1.3 <br />