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B T L 19011 Wood-Sno Road NE,Suite 100 <br /> Woodinville,WA 98072-4436 <br /> Phone:425-814-84481 <br /> ENGINEERING Fax:425-821-2120 <br /> Stud Wall Design <br /> Based on 2015 NDS Combined axial and bending formula: <br /> [fc/Fc']`+fb/Fe[1-(fc/FcE)] < 1 in which: FcE = 0.822(Emin')/(te/d)2 <br /> Wall: Interior Walls Wall Height: 9 ft <br /> Desired Stud Spacing: 16 in oc <br /> No Fire Rating V Design Axial Dead Load: 400 plf <br /> 2x4 V Design Axial Live Load: 800 plf <br /> SPF Stud Design Axial Snow Load: 0 plf <br /> Design Lateral Pressure(0.6W): 5 psf <br /> Deflection Criteria: L/ 240 <br /> STUD CHECK le/d < 50 OK <br /> D+0.6W(CD= 1.60) <br /> [fc/Fc]2+ fb/Fe[1-(fdFcE)] = 0.35 < 1 OK <br /> fciFeE2+ (fb/FbE)2= 0.00 < 1 OK <br /> D+0.75L+0.75(0.6W)+0.75S(CD= 1.60) <br /> [f f/Fc]2 + fb/Fe[1-(fc/Fca= 0.96 < 1 OK <br /> fc/FcE2+ (fb/FbE)2= 0.00 < 1 OK <br /> D+0.75L+0.755 (CD= 1.15) <br /> fc./Fc' = 0.75 < 1 OK <br /> D+L(Co= 1.0) <br /> fc/Fc' = 0.92 < 1 OK <br /> Deflection (No Increase for Load Duration): <br /> Defl: L/ 240 = 0.45 0.15 < 0.45 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: fc/Fcl' = 0.50 < 1 OK <br /> Douglas Fir Plates: fo/F�l' = 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: 12/14/2016 <br /> Page: M 1.2 <br />