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BI' L19011 Wwd-Sno Road NE,Suite 100 <br /> Woodinville,WA 98072-4436 <br /> 11-1 <br /> Yhonc:425-814-8448, <br /> �NGEER1l�IC� lax:425-821-2120 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bending formula: <br /> [fdF.']`+fblFb'[9-(f .01< 1 in which: F,E=0.822(Emin')/(t./d)2 <br /> Wall: Interior Walls Wall Height: g ft <br /> Desired Stud Spacing: 16 in oc <br /> No Fire Rating - Design Axial Dead Load: 338 plf <br /> 2x4 v Design Axial Live Load: 900 plf <br /> SPF Stud r Design Axial Snow Load: 0 pif <br /> Design Lateral Pressure(0.6W): 5 psf <br /> Deflection Criteria: U 180 <br /> STUD CHECK 10/d < 50 OK <br /> D+0.6W(Cp= 1.60) <br /> ff./F.']`+fb/Fb'[1-(fdF.E)]= 0.31 < 1 OK <br /> fdF.E2+(fb/FbE)`= 0.00 < 1 OK <br /> D+0.75L+0.75(0.6W)+0.75S(CD= 1,60) <br /> [fdF.']`+fb/Fe[1-(fdFcE)]= 0.99 < 1 OK <br /> fdFcE2+(fb/Fb0'= 0.00 < 1 OK <br /> D+0.75L+0.75S(Co= 1.15) <br /> fc/Fc= 0.76 < 1 OK <br /> D+L(CO= 1.0) <br /> fdF�= 0.95 < 1 OK <br /> Deflection (No Increase for Load Duration): <br /> Defl: U 180 = 0.60 0.15 < 0.60 OK <br /> SPF 9tud 2x4 16 oc O <br /> Checks Crushing for Stud Spacing` <br /> No Stress Increase for Load Duration <br /> Hem Fir Plates: fdF, '= 0.51 < 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 />