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19011 Wood-Sno Road NE.Suite 100 <br /> B T Woodinville,WA 98072-4436 <br /> Phone:425-814-84481 <br /> ENGINE E RING Fax:425-821-2120 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bending formula: <br /> [fc/F,]`+fb/Fb11-(fc/FcE)]< 1 in which: FCE= 0.822(Emin')I(edd)2 <br /> Wall: Exterior Walls Wall Height: 9 ft <br /> Desired Stud Spacing: 24 in oc <br /> No Fire Rating • Design Axial Dead Load: 683 plf <br /> 2x6 ♦ Design Axial Live Load: 960 plf <br /> SPF Stud Design Axial Snow Load: 538 plf <br /> Design Lateral Pressure(0.6W): 15 psf <br /> Deflection Criteria: Li 240 <br /> STUD CHECK ejd < 50 OK <br /> D+0.6W(CD= 1.60) <br /> [fc/Fc']`+fb/Fe[1-(fc/FcE)]= 0.53 < 1 OK <br /> fiFaE2+(fb/FbEY= 0.00 < 1 OK <br /> D+0.75L+0.75(0.6W)+0.75S(CD= 1.60) <br /> [fiFc l`+fb/Fb[1-(fJFea= 0.92 < 1 OK <br /> fe/F,E2+(fb/FbEr= 0.00 < 1 OK <br /> D+0.75L+0.75S(C0= 1.15) <br /> fcJF,'= 0.72 < 1 OK <br /> D+L(CD= 1.0) <br /> fc/Fc'= 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,.1Fej= 0.87 < 1 OK <br /> Douglas Fir Plates: fcJFw= 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 />