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19011 Wood-Sno Road NE, Suite 100 <br />BTL <br />Woodinville, WA 98072-4436 <br />Phone: 425-814-8448 , <br />�i NGI jE RING Fax: 425-821-2120 <br />Stud Wall Design <br />Based on 2018 NDS Combined axial and bending formula: <br />[f./F� ]` + fb/Fb'[1-(fj E)] < 1 in which: F,E = 0.822(Emin')/(ee/d)2 <br />Wall: Exterior Walls Wall Height: <br />19.25 ft <br />Desired Stud Spacing: <br />15 in oc <br />No Fire Rating Design Axial Dead Load: <br />323 plf <br />(2)2x6 Design Axial Live Load: <br />0 plf <br />SPF stud Design Axial Snow Load: <br />538 plf <br />Design Lateral Pressure (0.6W): <br />15 psf <br />Deflection Criteria: <br />U 180 <br />STUD CHECK <br />Feld <br />< <br />50 <br />OK <br />D+0.6W (CD = 1.60) <br />[fWF.' ]Z + fb/Fb [1-(f,:/FEE)] = <br />0.70 <br />< <br />1 <br />OK <br />fc/FcE2 + (fb/FbE)` — <br />0.00 <br />< <br />1 <br />OK <br />D+0.75L+0.75(0.6W)+0.755 (Co = 1.60) <br />[f,./Fr']2 + fb/Fb'[l-(f./F.E)j = <br />0.71 <br />< <br />1 <br />OK <br />f,/FcE2 + (fb/Fbs)` = <br />0.00 <br />< <br />1 <br />OK <br />D+0.75L+0.75S (CD = 1.15) <br />fc/Fr' = <br />0.30 <br />< <br />1 <br />OK <br />D+L (CD = 1.0) <br />f,;/F,' = <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 />PLATE CRUSHING CHECK' <br />Checks Crushing for Stud Spacing` <br />No Stress Increase for Load Duration <br />Hem Fir Plates: f,/FC1' = 0.13 < 1 <br />OK <br />Douglas Fir Plates: f,/F�,.' = 0.08 < 1 <br />LOK <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 />