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19011 Wood-Sno Road NE..Suite 100 <br /> BTLWoodinville,WA 9 807 2-443 6 <br /> Phone:425-814-5448 i <br /> ENGINEERING Fax:425-821-2120 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bending formula: <br /> [fefF,f+fb/Fb'[14f,/FcE)]< 1 in which: FcE= 0.822(Emin')/(P 1d)2 <br /> Wail: Exterior Walls Wall Height: 1 g.25 ft <br /> Desired Stud Spacing: 16 in oc <br /> No Fire Rating ♦ Design Axial Dead Load: 323 plf <br /> (2)2x6 V Design Axial Live Load: 0 pif <br /> SPF Stud Design Axial Snow Load: 538 plf <br /> Design Lateral Pressure(0.6W): 15 psf <br /> Deflection Criteria: U 180 <br /> STUD CHECK le/d < 50 OK <br /> D+D.6W(Co= 1.60) <br /> [f,tF,]`+fb/Fb[1-&/F.E)]= 0.70 < 1 OK <br /> fjF.F2+(fb/FbrY= 0.00 < 1 OK <br /> D+0.75L+0.75(0.6W)+0.75S (Co= 1.60) <br /> PF,12+fb/Fb'[1-(f./F�E)]= 071 < 1 OK <br /> fj.F2+(fb/FbE)`= 0.00 < 1 OK <br /> D+0.75L+0.75S(CD= 1.15) <br /> f,/F,*= 0.30 < 1 OK <br /> D+L(CD= 1.0) <br /> f,/F.'= 0.14 < 1 OK <br /> Deflection(No Increase for Load Duration): <br /> Defl: U 180 = 1.28 1,24 < 1.28 OK <br /> to xE 16 oc <br /> Checks Crushing for Stud Spacing` <br /> No Stress Increase for Load Duration <br /> Hem Fir Plates: fc/Fc,'= 0.13 < 1 OK <br /> Douglas Fir Plates: f/Frl'= 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 />