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Bri"J., <br /> 19011 Wood lino Road NE,Suite 100 <br /> Woodinville,WA 98072-4436 <br /> Pbone:425-814-8448, <br /> ENGINEERING Fax:425.821-2120 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bending formula: <br /> [fdF.'12+fb/Fa[1-(fdF,E)]< 1 in which: FcE= 0.822(Emin'I <br /> Wall: Interior Walls Wall Height: 9 ft <br /> Desired Stud Spacing: 16 in oc <br /> No Fire Rating Design Axial Dead Load: 338 pif <br /> 2x4 Design Axial Live Load: 900 plf <br /> SPF Stud Design Axial Snow Load: 0 pif <br /> Design Lateral Pressure(0.6W): 5 psf <br /> Deflection Criteria: U 180 <br /> STUD CHECK Qd < 50 OK <br /> D+0.6W(CD= 1.60) <br /> [fdF.,]`+fb/Fe[1-(fdFCE)]= 0.31 < 1 OK <br /> fdFaE2+ (fn/FbE)`= 0.00 < 1 OK <br /> D+0.75L+0.75(0.6W)+0.75S(CD= 1.60) <br /> [fdF,]`+fb/Fe f 1-(fdF.E)]= 0.99 < 1 OK <br /> fdFcE2+ (fb)FbE)`= 0.00 < 1 OK <br /> D+0.75L+0.75S (CD= 1.15) <br /> fc/Fc'= 0.76 < 1 OK <br /> D+L(Co= 1.0) <br /> fdF,= 0.95 < 1 OK <br /> Deflection (No Increase for Load Duration): <br /> Deft: U 180 = 0.60 0.15 < 0.60 OK <br /> PF Stud 2x4 @ 16 oc O <br /> Checks Crushing for Stud Spacing` <br /> No Stress Increase for Load Duration <br /> Hem Fir Plates: fdF.l'= 0.51 < 1 OK <br /> Douglas Fir Plates: fdFL'= 0.33 < 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 I A <br />