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19011 Wood-Sno Road NE, Suite 100 <br />BTLWoodinville, WA 98072-4436 <br />Phone: 425-814-8448 i <br />IF_NG\i ERIN i Fax; 425-821-2120 <br />Stud Walt Design <br />Based on 2018 NDS Combined axial and bending formula: <br />[fjF�']` + fb/Fb'l1-(f./Fes)] < 1 in which: F = 0.822{Ervin')/(�e/d)2 <br />Wall: Exterior Walls Wall Height: 9 ft <br />Desired Stud Spacing: 24 in oc <br />No Fire Rating IV Design Axial Dead Load: 683 plf <br />2x6 rr Design Axial Live Load: 960 plf <br />SPF stud IV Design Axial Snow Load: 538 plf <br />Design Lateral Pressure (0.6W): 15 psf <br />Deflection Criteria: L/ 240 <br />STUD CHECK <br />$e/d <br />< <br />50 <br />OK <br />D+0.6W (Co = 1.60) <br />[f,_1F� l' + fb/Fb'[1-(f./F.E)] = <br />0.53 <br />< <br />1 <br />OK <br />fC1F.E2 + (fb/FbE)` = <br />0.00 <br />< <br />1 <br />OK <br />D+0.75L+0.75(0.6W)+0.75S (Cc = 1.60) <br />IfdFJ` + fb/Fb'[1-(f./FcE)] = <br />0.92 <br />< <br />1 <br />OK <br />fc/FoE2 + (fb/FbE)` = <br />0.00 <br />< <br />1 <br />OK <br />D+0.75L+0.755 (Cc) = 1.15) <br />f./F.' = <br />0.72 <br />< <br />1 <br />OK <br />D+L (Co = 1.0) <br />f./F.' = <br />0.71 <br />< <br />1 <br />OK <br />Deflection (No Increase for Load Duration): <br />Defl: L/ 240 = 0.45 <br />0.18 <br />< <br />0.45 <br />OK <br />oc <br />PLATE CRUSHING CHECK' <br />Checks Crushing for Stud Spacing` <br />No Stress Increase for Load Duration <br />Hem Fir Plates: f./F = 0.87 < 1 <br />OK <br />Douglas Fir Plates: fc/Fc' = 0.56 < 1 <br />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 />