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19011 Wood-Sno Road NE,Suite 100 <br /> BTLWoodinville,WA 98072-4436 <br /> Phone:425-814-8448 i <br /> ENGINEERING Vax:425-821-2120 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bending formula: <br /> [fc/F�]` +fb/Fb'11-(fdFcE)1 < 1 in which: F,.E = 0.822(Emin')fflJd)2 <br /> Wall: Interior Walls Wall Height: 9 ft <br /> Desired Stud Spacing: 24 in oc <br /> No Fire Rating V Design Axial Dead Load: 203 plf <br /> 2x4 V Design Axial Live Load: 540 plf <br /> SPF Stud 1W Design Axial Snow Load: 0 plf <br /> Design Lateral Pressure(0.6W): 5 psf <br /> Deflection Criteria: U 180 <br /> STUD CHECK Ce/d < 50 OK <br /> 6+0.6W(Cc= 1.60) <br /> [fdF,lz +fb/Fti[1-(fdFcE)] = 0.41 < 1 OK <br /> fdFcE2+ (fb/FbE)`= 0.00 < 1 OK <br /> D+0.75L+0.75(0.6W)+0.75S (CD= 1.60) <br /> [fdF.'l` +fb/Fb'[1-(fdFcE))= 0.99 < 1 OK <br /> fdFcE2 + (fb/FbE)`= 0.00 < 1 OK <br /> D+0.75L+0.75S (Co = 1.15) <br /> fjF = 0.69 < 1 OK <br /> D+L(CA= 1.0) <br /> fc/F.' = 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 Spacing` <br /> No Stress Increase for Load Duration <br /> Hem Fir Plates: fc/Fc,'= 0.46 < 1 OK <br /> Douglas Fir Plates: fdFcs' = 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 />