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19011 Wood-Sno Road NE,Suite 100 <br /> BTLWoodinviRe,WA 98072-4436 <br /> Phone.425-814-8448 i <br /> ENGTNEERING Fax.425-821-2120 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bending formula: <br /> [f./F.1'+fb/Fb'[1-(fWFOE)]< 1 in which: F E=0.822(Emin')/(le/d)2 <br /> Wall: Interior Walls Wall Height: 9 ft <br /> Desired Stud Spacing: 24 in oc <br /> No Fire Rating v Design Axial Dead Load: 203 plf <br /> 2x4 Design Axial Live Load: 540 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 t jd < 50 OK <br /> D+0.6W(Co= 1.60) <br /> [f"/F�1`+fb/Fb I1-(VF.E)1= 0.41 < 1 OK <br /> f./F.E2+(fb/FbE)`= 0.00 < 1 OK <br /> D+0.75L+0.75(0.6W)+0.75S(Ca= 1.60) <br /> [fc/Fc]2+fb/Fe[1-(f lF A1= 0.99 < 1 OK <br /> fl/FCF-2+(fb/FbEY= 0.00 < 1 OK <br /> D+0.75L+0.755(Cp= 1.15) <br /> f.JF.'= 0.69 < 1 OK <br /> D+L(CD= 1.0) <br /> fj. = 0.86 < 1 OK <br /> Deflection(No Increase for Load Duration): <br /> Defl: U 180 = 0.60 0.23 < 0.60 OK <br /> F 9tua 4 C 24 oc OK <br /> Checks Crushing for Stud Spacing` <br /> No Stress Increase for Load Duration <br /> Hem Fir Plates: f./F = 0.46 < 1 OK <br /> Douglas Fir Plates: fdF '= 0.30 < 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 1.3 <br />