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19011 Wood-Sno Road NE,Suite 100 <br /> BTLWoodinville,WA 98072-4436 <br /> Phone:425-814-8448 E <br /> Ei NGDq Ei RI G Fax:425-821-2120 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bending formula: <br /> [f,/F.']` +fb/Fb'[1-(f�F.E)] < 1 in which: FEE = 0.822(Emin')/(6,/d)2 <br /> Wall: Exterior Walls Wall Height: 9 ft <br /> Desired Stud Spacing: 24 in oc <br /> No Fire Rating Design Axial Dead Load: 683 plf <br /> 2x6 Design Axial Live Load: 960 plf <br /> SPF Stud Design Axial Snow Load: 538 plf <br /> Design Lateral Pressure (0.6W): 15 psf <br /> Deflection Criteria: U 240 <br /> STUD CHECK to/d < 50 OK <br /> D+0.6W(Cc= 1.60) <br /> [fjFc']1+fblFb'[1-(f�/FcE)� = 0.53 < 1 OK <br /> f./F.E2 + (fb/FbE)`= 0.00 < 1 OK <br /> D+0.75L+0.75(0.6W)+0.75S (CD = 1.60) <br /> [f./F,']2 +fb/Fe[1-(fdFrE)]= 0.92 < 1 OK <br /> fjFcE2 + (fb/FbE)` = 0.00 < 1 OK <br /> D+0.75L+0.75S (CD= 1.15) <br /> fdF,' = 0.72 < 1 OK <br /> D+L (CD= 1.0) <br /> fdFr' = 0.71 < 1 OK <br /> Deflection (No Increase for Load Duration): <br /> Defl: U 240 = 0.45 0.18 < 0.45 OK <br /> SPF Stud 2x6 @ 24 oc OK <br /> PLATE CRUSHING CHECK' <br /> Checks Crushing for Stud Spacing` <br /> No Stress Increase for Load Duration <br /> Hem Fir Plates: f,/Fj' = 0.87 < 1 OK <br /> Douglas Fir Plates: f,/F�,_' = 0.56 < 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 .1 <br />