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19011 Wood-Sno Road NE,Suite 100 <br /> Woodinville,WA 98072-4436 <br /> Pbone:425-814-W8 t <br /> ENGINEERING Fax:425-821-2120 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bedding formula: <br /> [f/FJ`+fb/Fb'[1-(fdF.E)]< 1 in which: F E= 0.822(Emin')/(1jd)2 <br /> Wall: Exterior Walls Wall Height: 19.25 ft <br /> Desired Stud Spacing: 16 in oc <br /> No Fire Rating 'V Design Axial Dead Load: 323 plf <br /> (2)N6 e► Design Axial Live Load: 0 plf <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 1,1d < 50 OK <br /> D+0.6W(Cc=1,60) <br /> [fdF�]j+fb/Fb'[1-(fdFoE)]= 0.70 < 1 OK <br /> f�/F.E2+ (fb/Fbs)`= 0.00 < 1 OK <br /> D+0.75L+0.75(0.6W)+0.75S(Co= 1.60) <br /> [fdF.']`+fb/Fb'[1-(fdF.E)]= 0.71 < 1 OK <br /> fdFcs2+ (fb/FbE)`= 0.00 < 1 OK <br /> D+0.75L+0.75S (Co= 1.15) <br /> f jFc= 0.30 < 1 OK <br /> D+L(Cp= 1.0) <br /> fdF,'= 0.14 < 1 OK <br /> Deflection(No Increase for Load Duration): <br /> Defl: U 180 = 1.28 1.24 < 1.28 OK <br /> SP u ,2)2xi:@ 16 oc K <br /> Checks Crushing for Stud Spacing` <br /> No Stress Increase for Load Duration <br /> Hem Fir Plates: fdFa'= 0.13 < 1 OK <br /> :T Douglas Fir Plates: fdF,,'= 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 />