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19011 Wood lino Road NF,Suite 100 <br /> BTL <br /> Woodin%Oe,WA 98072-4-436 <br /> Phone:425-81441448, <br /> ENGDgEERING Fax:425-821-2120 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bending formula; <br /> [fdF.']`+fb/Fb'[1-(fdF�r_)]< 1 in which: FcE=0.822(Emin')/(Vd)2 <br /> Wall: Interior Walls Wall Height: 9 ft <br /> Desired Stud Spacing: 16 in oc <br /> No Fire Rating Design Axial Dead Load: 338 plf <br /> 2x4 Design Axial Live Load: 900 plf <br /> SPF Stud Design Axial Snow Load: 0 pff <br /> Design Lateral Pressure (0.6W): 5 psf <br /> Deflection Criteria: U 180 <br /> STUD CHECK f,ld < 50 OK <br /> D+0.6W(Co= 9.60) <br /> [f�F.f+fb/Fe[1-(fdFeE)l= 0.31 < 1 OK <br /> f,:/FcE2+ (fb/FbE)`= 0.00 < 1 OK <br /> D+0.75L+0.75(0.6W)+0.75S (CD= 1.60) <br /> [f�F.]`+fb/Fe[1-(fdFcE)]= 0.99 < 1 OK <br /> fJFc.E2+(fb/FbEY= 0.00 < 1 OK <br /> D+0.75L+0.75S (CD= 1,15) <br /> fdF.'= 0.76 < 1 OK <br /> D+L(CD= 1.0) <br /> f./FG= 0.95 < 1 OK <br /> Deflection (No Increase for Load Duration): <br /> Defl U 180 = 0.60 0.15 < 0.6D OK <br /> SPF Stud x4 @ 16 oc 0 <br /> Mi: <br /> Checks Crushing for Stud Spacing` <br /> No Stress Increase for Load Duration <br /> Hem Fir Plates: f,/F�'= 0.51 < 1 OK <br /> Douglas Fir Plates: fdFci= 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: 1127/2021 <br /> Page: —M1.4 <br />