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19011 Wood Sno Road NE,Suite 100 <br /> BTLWoodinville,WA 98072-4436 <br /> Phones 425-814-8448 i <br /> ENGINEERING Nay 425-821-2120 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bending formula: <br /> [fc/Fc]`+fbfFb'[14fc FcF)]< 1 in which: FcE=0.822(Emin')1(Vd)2 <br /> Wall: Interior Walls Wall Height: 9 ft <br /> Desired Stud Spacing: 16 in oc <br /> No Fire Rating r Design Axial Dead Load: 338 plf <br /> 2A Design Axial Live Load: 900 plf <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 teld < 50 OK <br /> D+0.6W(CD= 1.60) _._. <br /> [fc/Fc']2+fWFb'[1-(fc1FcE)]= 0.31 < 1 OK <br /> fdFcE2+ (fb/FbE)`= 0.00 < 1 OK <br /> D+0.75L+0.75(0.6W}+0.75S (Co=1.60) <br /> [fdFc']`+fb/Fe[1-(fc/F.EA= 0.99 < 1 OK <br /> fc/F.E2+ (fb/FbEY= 0.00 < 1 OK <br /> D+0.75L+0.75S (Cp= 1.15) <br /> fc/Fc.'= 0.76 < 1 OK <br /> D+L(Co= 1.0) <br /> fc/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 2 T @@ 16 oc OR n. <br /> Checks Crushing for Stud Spacing` <br /> No Stress Increase for Load Duration <br /> Hem Fir Plates: fc/F.1'= 0.51 < 1 OK <br /> Douglas Fir Plates. fdFci= 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: 1127/2021 <br /> Page: M 1 .4 <br />