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1901 t Wood-Sno Road NE, Suite 100 <br />BTL <br />Woodinville, WA 98072-4436 <br />Phone: 425-814-8448 t <br />ENGR\TEERING Fax: 425-821-2120 <br />Stud Wall Design <br />Based on 2018 NDS Combined axial and bending formula: <br />[fdF,'1` + fb/Fe [1-(fdFcE)] < 1 in which: F,E = 0.822(Emin')/(fjd)2 <br />Wall: Exterior Walls Wall Height: <br />19.25 ft <br />Desired Stud Spacing: <br />16 in oc <br />No fire Rating V Design Axial Dead Load: <br />323 pif <br />(2)2x6 Design Axial Live Load: <br />0 plf <br />Design Axial Snow Load: <br />538 pif <br />SPF Stud <br />Design Lateral Pressure (0.6W): <br />15 psf <br />Deflection Criteria: <br />U 180 <br />STUD CHECK <br />Peld <br />< <br />50 <br />OK <br />D+0.6W (CD = 1.60) <br />[fj,]2 + fb/Fe [1-(fdF.E)] = <br />0.70 <br />< <br />1 <br />OK <br />fdF�E2 + (fb/FbE)` = <br />0.00 <br />< <br />1 <br />OK <br />D+0.75L+0.75(0.6W)+0.75S (CD = 1.60) <br />[fdF.'l2 + fb/Fb'11-(fdF.E)1= <br />0.71 <br />< <br />1 <br />OK <br />fdF,E2 + (fb/Fbe)` = <br />0.00 <br />< <br />1 <br />OK <br />D+0.75L+0.75S (Co = 1.15) <br />fj. = <br />0.30 <br />< <br />1 <br />OK <br />D+L (CD = 1.0) <br />fdF.' = <br />0.14 <br />< <br />1 <br />OK <br />Deflection (No Increase for Load Duration): <br />Defl: U 180 = 1.28 <br />1.24 <br />< <br />1.28 <br />OK <br />oc <br />Checks Crushing for Stud Spacing` <br />No Stress Increase for Load Duration <br />Hem Fir Plates: f,,/F.l' = 0.13 < 1 OK <br />Douglas Fir Plates: f,/F,i = 0.08 < 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: M1.2 <br />