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19011 Wood-Sno Road NE,Suite too <br /> BTI-1Woodinville,WA 98072-4436 <br /> Phone:425-814-8448, <br /> ENGTNEERD.UG I?=425-821-2120 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bending formula: <br /> If./Fr']'+fb/Fb{1-(%/Fce)]< 1 in which: FIE-0.822(Emin')/(t,1d)2 <br /> Wall: interior Walls Wall Height: 9 ft <br /> Desired Stud Spacing: 16 in oc <br /> No Fire Rating r Design Axial Dead Load: 338 plf <br /> 2x4 W Design Axial Live Load: 900 pif <br /> SPF stud ' Design Axial Snow toad: 0 plf <br /> Design Lateral Pressure(0,6W): 5 psf <br /> Deflection Criteria: U 180 <br /> STUD CHECK 1,/d < 50 OK <br /> D+0.6W(Co= 1.60) <br /> (fjFc']`+fb/Fo[1-(fdF,,E)]= 0.31 < 1 OK <br /> fc/F.U2+(fb/Fbe)`` 0.00 < 1 OK <br /> D+0.75L+0,75(0.6W)+0.75S(Co= 1.60) <br /> +fb/Fb'(1-(fdFcs)]= 0.99 < 1 OK <br /> fc/FcE2 + (fb/Fbs)`= 0.00 < 1 OK <br /> D+0.75L+0.75S(CD W 1.16) <br /> fo/Fc'= 0.76 < 1 OK <br /> D+L(CD= 1.0) <br /> fjFc'= 0.95 < 1 OK <br /> Deflection (No Increase for Load Duration): <br /> Defl: U 180 = 0.60 0.15 < 0.60 OK <br /> SPF Stud 2x4 a@ 16-dc-T OK <br /> Checks Crushing for Stud Spacing` <br /> No Stress Increase for Load Duration <br /> Hem Fir Plates: f,/F.,'= 0.51 < 1 OK <br /> Douglas Fir Plates: fdF.L'= 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: MIA <br />