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19011 Wood-Sno Road NE,State 100 <br /> BTLWoodinville,WA 980724436 <br /> Phone:425-814-8448, <br /> ENGINEERING Fax 425-821-2120 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bending formula: <br /> 1VFA2+fb/Fb'11-(f4F.E)1<1 in which: F,�,=0.$22(Emin')/(Vd)2 <br /> Wall: Interior Walls Wall Height: 9 ft <br /> Desired Stud Spacing: 24 in oc <br /> No Fire Rating ♦ 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 Beld < 50 OK <br /> 5+0.6W(CD=1.60) <br /> lfdF.l2+fb/Fe 11-(f.(F.E)l = 0.41 < 1 OK <br /> f4FcE2 +(fb/Fbe)`= 0.00 < 1 OK <br /> Dt0.75L+0.75(0.6W)+0.75S(CD= 1.60) <br /> lfdF.12+fb/Fti I1-(f.1F.E)l= 0.99 < 1 OK <br /> f,-IF�E2+{fbfFbE)`= 0.00 < 1 OK <br /> D+0.75L+0.75S (Cc= 1.15) <br /> f,lFr'= 0.69 < 1 OK <br /> D+L(Cc= 1.0) <br /> fclF�= 0.86 < 1 OK <br /> Deflection (No Increase for Load Duration): <br /> Defl: U 180 = 0.60 0.23 < 0.60 OK <br /> SPF tud 2x4 @ 24 oc K <br /> Checks Crushing for Stud Spacing` <br /> No Stress Increase for Load Duration <br /> Hem Fir Plates: fjF.'= 0.46 < 1 OK <br /> Douglas Fir Plates: fjF = 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 />