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19011 Wood-lino Road NE Suitc 100 <br /> B T LWoodinvillc,WA 98072-4436 <br /> Phone:425-814-8448 t <br /> ENGINEERING irax:425-821-2120 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bending formula: <br /> [fdFe]`+fdF [1-(fdFcc-)]< 1 in which: F�=0.822(Emin')/(Vd)2 <br /> Watt 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 v Design Axial Live Load: 900 plf <br /> SPF stud +p Design Axial Snow Load: 0 plf <br /> Design Lateral Pressure(0.6W): 5 psf <br /> Deflection Criteria: U 180 <br /> STUD CHECK field < 50 OK <br /> D+0.6W(Cc)= 1.60) <br /> [fdFJ2+fb/Fb'[1-(fdFcs)]= 0.31 < 1 OK <br /> fdFeE2+(fb/FbE)i= 0.00 < i OK <br /> D+0.75L+0.75(0.6W)+0.75S(CD= 1.60) <br /> [fC/F.']'+fdFe(1-(QF.E)]= 0.99 < 1 OK <br /> fdFeE2+(fb/FbE)`= 0.00 < 1 OK <br /> D+0.75L+0.75S(Cc= 1.16) <br /> fdFe'= 0.76 < 1 OK <br /> D+L(Co= 1.0) <br /> fjO = 0.95 < 1 OK <br /> Deflection(No Increase for Load Duration): <br /> Defl: U 180 = 0.60 0.15 < 0.60 OK <br /> SPF Stud 2x4 � 16 oc OK <br /> Checks Crushing for Stud Spacing` <br /> No Stress Increase for Load Duration <br /> Hem Fir Plates: fe/F,.L'= 0.51 < 1 OK <br /> Douglas Fir Plates: fdFe.i= 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 />