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19011 Wood-Sim Road NE,Suite 100 <br /> AN \AoodinvMe,WA 98072-4436 <br /> Phone:425-814-84481 <br /> ����' Fax:425-821-2120 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bending formula: <br /> ff./F.']`+fb/Fb11-(fdF.E)] < 1 in which: FIE= 0.822(Emin')/(fdd)2 <br /> Wall: Interior Walls Wall Height: 9 ft <br /> Desired Stud Spacing: 24 in oc <br /> No Fire Rating IV Design Axial Dead Load: 203 plf <br /> 2x4 1W Design Axial Live Load: 540 plf <br /> SPF Stud 1W Design Axial Snow Load: 0 plf <br /> Design Lateral Pressure (0.6W): 5 psf <br /> Deflection Criteria: L/ 180 <br /> STUD CHECK l,ld < 50 OK <br /> D+0.6W (CD= 1.60) <br /> [fdF.12 +fb/Fb'I1-(fc/F.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 (CD= 1.60) <br /> [fdFo12+fb/Fb'L1-(f,/F.E)1 = 0.99 < 1 OK <br /> f./F.E2+ (fb/FbE)`= 0.00 < 1 OK <br /> D+0.75L+0.75S (CD= 1.15) <br /> fdF.'= 0.69 < 1 OK <br /> D+L (CD= 1.0) <br /> fdFc-= 0.86 < 1 OK <br /> Deflection (No Increase for Load Duration): <br /> Defl: L/ 180 = 0.60 0.23 < 0.60 OK <br /> SPF Stud 2x4 @ 24 oc OK <br /> PLATE CRUSHING CHECK' <br /> Checks Crushing for Stud Spacing` <br /> No Stress Increase for Load Duration <br /> Hem Fir Plates: f./F.j_' = 0.46 < 1 OK <br /> Douglas Fir Plates: fc/F.i = 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: M1 .3 <br />