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19011 Wood-Sno Road NE,Suite 100 <br /> Wooduiville,VIA 98072-4436 <br /> Phone:425-814-8448, <br /> =T-T C:41EL`T]E� Fax:425-821-2120 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bending formula: <br /> IfdFc]2+fb/Fe[1-(fc/F.01 < 1 in which: FIE= 0.822(Emin')/(1Wd)2 <br /> Wall: Interior Walls Wall Height: 9 ft <br /> Desired Stud Spacing: 16 in oc <br /> No Fire Rating IV Design Axial Dead Load: 338 plf <br /> 2x4 9V Design Axial Live Load: 900 plf <br /> SPF Stud 1W Design Axial Snow Load: 0 plf <br /> Design Lateral Pressure (0.6W): 5 psf <br /> Deflection Criteria: L/ 180 <br /> STUD CHECK ee/d < 50 OK <br /> D+0.6W (CD= 1.60) <br /> [f./Fe12 +fb/Fb'11-(fdFeE)j= 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-(felFeE)j= 0.99 < 1 OK <br /> f./F,E2+ (fb/FbE)`= 0.00 < 1 OK <br /> D+0.75L+0.75S (CD= 1.15) <br /> f,JFe'= 0.76 < 1 OK <br /> D+L (CD= 1.0) <br /> fdFc'= 0.95 < 1 OK <br /> Deflection (No Increase for Load Duration): <br /> Defl: L/ 180 = 0.60 0.15 < 0.60 OK <br /> SPF Stud 2x4 @ 16 oc OK <br /> PLATE CRUSHING CHECK' <br /> Checks Crushing for Stud Spacing` <br /> No Stress Increase for Load Duration <br /> Hem Fir Plates: fj, = 0.51 < 1 OK <br /> Douglas Fir Plates: f./Foi = 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 />