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fi 19011 Wood-Sno Road NE, Suite 100 <br />r Woodinville, WA 98072-4436 <br />Phone: 425-8148448 i <br />ENGENEERING 11= 425-821-2120 <br />Stud Wall Design <br />Based on 2018 NDS Combined axial and bending formula: <br />[fdF.']` + fb/Fb'[1-(fjFtr-)] < 1 in which: F,;E = 0.822(Emin')1(Vd)2 <br />Wall: Interior Walls <br />Wall Height: <br />9 ft <br />Desired Stud Spacing: <br />16 in oc <br />No Fire sating r <br />Design Axial Dead Load: <br />338 plf <br />2A P <br />Design Axial Live Load: <br />900 plf <br />SPF stud <br />Design Axial Snow Load: <br />0 plf <br />Design Lateral Pressure (0.6W): <br />5 psf <br />Deflection Criteria: <br />U <br />180 <br />STUD CHECK <br />4/d < 50 <br />OK <br />D+0.6W (Co = 1.60) <br />[fdFjZ + fb/Fe [1-(fdFIE)l = <br />0.31 < 1 <br />OK <br />fdFaE2 + (fb/FbE)` = <br />0.00 < 1 <br />OK <br />D+0.75L+0.75(0.6W)+0.75S (Ca = 1.60) <br />[fdF.']` + fb/Fj, [1-(fdF E)] = <br />0.99 < 1 <br />OK <br />fdFeE2 + (fb/FbE)` = <br />0.00 < 1 <br />OK <br />D+0.75L+0,75S (CD = 1.15) <br />f,/Fc' = <br />0.76 < 1 <br />OK <br />D+L (Co =1.0) <br />f,/Fc' = <br />0.95 < 1 <br />OK <br />Deflection (No Increase for Load Duration): <br />Defl: U 180 = 0.60 <br />0.15 < 0.60 <br />OK <br />oc <br />Checks Crushing for Stud Spacing` <br />No Stress Increase for Load Duration <br />Hem Fir Plates: f,/F,-L' = 0.61 < 1 OK <br />Douglas Fir Plates: fdF = 0.33 < 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 1.4 <br />