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19011 Wood-lino Road NE,Suite 100 <br /> BTL <br /> Woodinville,WA 98072-4436 <br /> Phone:425-814-8448 i <br /> ENGINEERING Fax:425-821-2120 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bending formula: <br /> [f�/Fj`+fb/Fb'[1-(f./FEE)] < 1 in Which: FEE= 0.822(Emin')/(Ee/d)2 <br /> Wall: Interior Walls Wall Height: 9 ft <br /> Desired Stud Spacing: 24 in oc <br /> No Fire Rating IV Design Axial Dead Load: 203 plf <br /> 2A 9V Design Axial Live Load: 540 pif <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 eeld < 50 OK <br /> D+0.6W(CD= 1.60) <br /> [f./F j2 +fb/Fb'(1-(fdF�E)]= 0.41 < 1 OK <br /> f,/FEZ + (fb/FbE}` = 0.00 < 1 OK <br /> D+0,75L+0.75(0.6W)+0.755 (CD= 1.60) <br /> [fdFj2 +fb/Fb'[1-(fdFcE)]= 0.99 < 1 OK <br /> f, E2 + (fb/FbE)` = 0.00 < 1 OK <br /> D+0.75L+0.75S (Co = 1.15) <br /> f,/F,'= 0.69 < 1 OK <br /> D+L(Cc= 1.0) <br /> f,/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 GRUSHIM CHECK' <br /> Checks Crushing for Stud Spacing` <br /> No Stress Increase for Load Duration <br /> Hem Fir Plates: fjFC1' = 0.46 < 1 OK <br /> Douglas Fir Plates: f,/FL' = 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 />