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19011 Wood-Sno Road NE,Suite 100 <br /> BTL <br /> Woodinville,WA 98072-4436 <br /> Phone:425-814-9448 i <br /> ENGINEERING Fax:425-821-21?.0 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bending formula: <br /> [fjF,`]`+fb/Fe[1-(fjF�E)]<1 in which: F,E= 0.822(Emin')1(t�d)Z <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 /> 2M w Design Axial Live Load: 540 plf <br /> SPF stud Design Axial Snow Load: 0 plf <br /> Design Lateral Pressure(0.6W): 5 psf <br /> Deflection Criteria: U 180 <br /> STUD CHECK bald < 50 OK <br /> D+0.6W(Co= 1.60) <br /> [fdFc)`+fdFb'[1-(fdFeE)]= 0,41 < 1 OK <br /> fdF,E2 +(fdFbE)`` 0.00 < 1 OK <br /> D+0.75L+0.75(0.6W)+0.75S(Co= 1.60) <br /> [fdFo']`+fdFb`[1-(fdF,,E)]= 0.99 < 1 OK <br /> f,./FoE2 +(fb/FbE)` = 0.00 < 1 OK <br /> D+0.75L+0.755 (CD= 1.15) <br /> fjF.'= 0.69 < 1 OK <br /> D+L(Ca= 1.0) <br />€ fdF,= 0.86 < 1 OK <br /> Deflection(No Increase for Load Duration): <br /> Deft U 180 r 0.60 0,23 < 0.60 OK <br /> to x oc K <br /> Checks Crushing for Stud Spacing` <br /> No Stress Increase for Load Duration <br /> Hem Fir Plates: fdF,`= 0.46 < 1 OK <br /> Douglas Fir Plates: f�/F�= 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 />