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19011 Wood-Sno Road NE,Suite 100 <br /> BTLWoodinville,WA 98072-4436 <br /> Phone:425-814-8448, <br /> ENG=EFU11J Fax:425-821-2120 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bending formula: <br /> [fc/F,]`+fb/Fb'[1-(f./F�E)]< 1 in which: FIE=0.822(Emin')/(Ejd)2 <br /> Wall: Interior Walls Wall Height: 9 ft <br /> Desired Stud Spacing: 16 in oc <br /> No Fire Rating 9W Design Axial Dead Load: 338 plf <br /> 2x4 1W 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: U 180 <br /> STUD CHECK ee/d < 50 OK <br /> D+0.6W(Co= 1.60) <br /> [fjF.']2+fb/Fb'11-(f./FcE)l = 0.31 < 1 OK <br /> f�/FCE2+{fb/FbEY= 0.00 < 1 OK <br /> D+0.75L+0.75(0.6W)+0.75S (CD= 1.60) <br /> [fjF.']2+fb/Fb[1-(fdF.E)] = 0.99 < 1 OK <br /> fc/F.E2+(fb/FbEY= 0.00 < 1 OK <br /> D+0.75L+0.75S (CD= 1.15) <br /> f./F.' = 0.76 < 1 OK <br /> D+L (CD= 1.0) <br /> f./F.' = 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 /> PLATE CRUMING CHECK' <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: fdFr,,'= 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 />