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19011 Wood-lino Road NE,Suite 100 <br /> ( z Woodinville,WA 98072-4436 <br /> , Pbone:425-814-8448, <br /> ENGINEERING Fax:425-821-2120 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bending formula: <br /> If,/F.']`+fb/Fb'[1-(f�FEE)]< 1 in which: P, =0.822(Emin')/(Vd)2 <br /> Wall: Interior Walls Wall Height: 9 <br /> Desired Stud Spacing: 16 in oc <br /> No Fire Rating IV Design Axial Dead Load: 338 plf <br /> 2M Design Axial Live Load' 90D pif <br /> SPF Stud Design Axial Snow Load: 0 plf <br /> Design Lateral Pressure (0.6W): 5 psf <br /> Deflection Criteria: U 180 <br /> STUD CHECK Ee/d < 50 OK <br /> D+0.6W(Co= <br /> [f,/F.f +fb/Fp'[1-&jF.E)]= 0.31 < 1 OK <br /> fo F,E2+ (fjbEY= 0.00 < 1 OK <br /> D+0.75L+0.75(O.6W)+0.75S(Co=1.60) <br /> [fc/Fc'f +fb/Fb[1-(fc/FcE)]= 0.99 < 1 OK <br /> fc/F&2+ (fb/FbE)`= 0.00 < 1 OK <br /> D+0.75L+0.75S (CD= 1.15) <br /> fclF,'= 0.76 < 1 OK <br /> D+L (Cr= 1,0) <br /> f�Fc'= 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 x4 16 oc OK <br /> Checks Crushing for Stud Spacing` <br /> i <br /> No Stress Increase for Load Duration <br /> Hem Fir Plates: fc/Fa'= 0.51 < 1 OK <br /> Douglas Fir Plates: fc/Foi= 0.33 < 1 CK <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: M 1 .4 <br />