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-� L <br /> 19011 Wood-Sno Road NE,Suite 100 <br /> Woodinv.Me,WA 98072-4436 <br /> Phone:425-814-8448 i <br /> EhTGTItiTEERC�G Fax:425-821-2120 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bending formula: <br /> [fdF.']`+fb/Fe[l-(f(:/F,:E)]< 1 in which: F,E=0.822(Emin')1(Qd)2 <br /> Wall: Interior Walls Wall Height. 9 ft <br /> Desired Stud Spacing: 16 in oc <br /> No Fire Rating V Design Axial Dead Load: 338 plf <br /> 2x4 W Design Axial Live Load: 900 plf <br /> SPF Stud IV Design Axial Snow Load: 0 plf <br /> Design Lateral Pressure(0.6W): 5 psf <br /> Deflection Criteria: U 180 <br /> STUD CHECK lefd < 50 OK <br /> D+0,6W(Co= 1.60) <br /> [fdFc']`+fblFe[1-(fdF.E)]= 0.31 < 1 Olt <br /> f�F.E2+ (fb/FbE)`= 0.00 < 1 OK <br /> D+0.75L+0.75(0.6W)+0.75S(Co= 1.60) <br /> [f,,/F.']z+fb/Fb'[1-(fc/F.E)]= 0.99 < 1 OK <br /> fclFcEz+(fblFbE)`= 0.00 < 1 OK <br /> D+0.75L+0,76S (Co= 1.15) <br /> fc/F,'= 0.76 < 1 OK <br /> D+L(Co= 1.0) <br /> f�1F�= 0.95 < 1 OK <br /> Deflection(No Increase for Load Duration): <br /> Defl: U 180 = 0.60 0.15 < 0.60 OK <br /> ymeaaae SPF Stud 2x4 @i 1fi oc OK <br /> PLATE L <br /> Checks Crushing for Stud Spacing` <br /> No Stress Increase for Load Duration <br /> Hem Fir Plates: f LF 0.51 < 1 OK <br /> Douglas Fir Plates: fdF, '= 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 1 .4 <br />