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19011 Wood-Sno Road A 9 072- f 06 <br /> B T <br /> 4436 <br /> Woodinville,W <br /> Phone:425-814-84481 <br /> ENGMTEERING Fax:425-821-2120 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bending formula: <br /> [fc/Fc 2+fb/Fb[1-(fc/FcE)]< 1 in which: F0E = 0.822(Emin')/(Qe/d)2 <br /> Wall: Exterior Walls Wall Height: 9 ft <br /> Desired Stud Spacing: 24 in oc <br /> No Fire Rating V Design Axial Dead Load: 683 plf <br /> 2x6 Design Axial Live Load: 960 plf <br /> SPF Stud Design Axial Snow Load: 538 plf <br /> Design Lateral Pressure (0.6W): 15 psf <br /> Deflection Criteria: L/ 240 <br /> STUD CHECK Ee/d < 50 OK <br /> D+0.6W (CD = 1.60) <br /> [fc/Fc']2 +fb/Fe[1-(fc/FcE)] = 0.53 < 1 OK <br /> fc/FcE2 + (fb/FbE)` = 0.00 < 1 OK <br /> D+0.75L+0.75(0.6W)+0.755 (CD= 1.60) <br /> [fc/Fc.]` +fb/Fe[1-(fc/FcE)] = 0.92 < 1 OK <br /> fc/FcE2+ (fJFbE)` = 0.00 < 1 OK <br /> D+0.75L+0.755 (CD= 1.15) <br /> fc/Fc' = 0.72 < 1 OK <br /> D+L(CD = 1.0) <br /> fc/Fc' = 0.71 < 1 OK <br /> Deflection (No Increase for Load Duration): <br /> Defl: L/ 240 = 0.45 0.18 < 0.45 OK <br /> SPF Stud 2x6 @ 24 oc OK <br /> PLATE CRUSHING CHECK' <br /> Checks Crushing for Stud Spacing` <br /> No Stress Increase for Load Duration <br /> Hem Fir Plates: fc/FC1' = 0.87 < 1 OK <br /> Douglas Fir Plates: fc/Fc1' = 0.56 < 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: M1 .1 <br />