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BTL <br /> 19011 Wood-lino Road NB,Suite 100 <br /> Woodinville,WA 98072.443E <br /> Phonc:425-814.8448i <br /> ENGII\TEERH\1G Fax:425-821-2120 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bending formula: <br /> [fdF.1]`+fdFb'[1-(fdFx-)]< 1 in which: F E=0.822(Emin')/(Vd)2 <br /> Wall: Interior Walls Wall Height: 9 ft <br /> Desired Stud Spacing: 24 in or, <br /> No Fire Rating r► Design Axial Dead Load: 203 plf <br /> 2A v Design Axial Live Load: 540 plf <br /> SPF stud 7 Design Axial Snow Load: 0 plf <br /> Design Lateral Pressure(0.6W): 5 psf <br /> Deflection Criteria: U 180 <br /> STUD CHECK e.1d < 50 OK <br /> 5+0.6W(C©= 1.60) <br /> [fdF,'12 +fb/Fe[1-(fdF.E)1 = 0.41 < 1 OK <br /> fdF,E2+(fb/Fbs)`= 0,00 < 1 OK <br /> D+0.75L+0.75(0.6W)+0.75S(Co= 1.60) <br /> [fdF.'1`+fb/Fe[1-(fdFrE)1= 0.99 < 1 OK <br /> fJFrF2+(fb/Fbe)`= 0.00 < 1 OK <br /> D+0.75L+0.75S (C©= 1.15) <br /> f j!7= 0.69 < 1 OK <br /> D+L(CD= 1.0) <br /> fdF.'= 0.86 < 1 OK <br /> Deflection(No Increase for Load Duration): <br /> Defl: U 180 = 0.60 0.23 < 0,60 OK <br /> SPF Stud x oc <br /> Checks Crushing for Stud Spacing` <br /> No Stress Increase for Load Duration <br /> Hem Fir Plates: fdF.'= 0.46 < 1 OK <br /> Douglas Fir Plates: fdF.,'= 0.30 < 1 OK <br /> ' Plate must also be checked for bending. <br /> z Check on crushing only applies to stud spacing. Joists above <br /> must also be checked for crushing effect on plate. <br /> f Also, no stress increase is allowed due to load duration. <br />{ <br /> i <br /> I <br /> I <br /> Date; 1/27/2021 <br /> r. <br /> Page: M1 .3 <br /> I <br />