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1901 l Wood-Sno Road NE,Suite 100 <br /> BTLWoodinville,WA 98072-4436 <br /> Phone:425-814-8448 i <br /> F—IgG=ERn\TG Fax:425-821-2120 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bending formula: <br /> [fr/Fr']2 +fb/Fb'11-(f,/FcE)1 < 1 in which: F,E=0.822(Emin')/(f,/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 /> M IV 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 Feld < 50 OK <br /> D+0.6W(CD = 1.60) <br /> [f./Fr']2+fb/Fb`[1-(fjF.E)1 = 0.53 < 1 OK <br /> f../F..E2 + (fb/FbE)`= 0.00 < 1 OK <br /> D+0.75L+0,75(0.6W)+0.75S (Co = 1.60) <br /> [f,/F;'12 +fb/Fb'11-(fdF.E)]= 0.92 < 1 OK <br /> fdF�E2 + (fb/FbEY= 0.00 < 1 OK <br /> D+0.75L+0.75S (CD = 1.15) <br /> f,/F,'= 0.72 < 1 OK <br /> D+L(CD= 1.0) <br /> f,/F, = 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�/F�l'= 0.87 < 1 OK <br /> Douglas Fir Plates: fjFL'= 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 />