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19011 Wood-Soo Road NE,Siute 100 <br /> BTL Woodinville,WA 98072-4436 <br /> Phonc 425-814-8448, <br /> ENGINEERING Fax_425-821-2-120 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bending formula: <br /> If,/Fr']`+fb/Fb'I1-(f./F.E)]<1 in which: F,=0.822(Emin')/(Vd)2 <br /> Wall: Interior Walls Wall Height: 9 ft <br /> Desired Stud Spacing: 24 in cc <br /> No Fire Rating ® Design Axial Dead Load: 203 plf <br /> 2x4 r 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 eeld < 50 OK <br /> 6+0.6W(Co=1.60) <br /> [VF1']2 +fb/Fb'I1-(f.JF.Fj] = 0.41 < 1 OK <br /> fjFc.� +(fb/Fbs)`= 0.00 < 1 OK <br /> D+0.75L+0.75(0.6W)+0.75S (CD= 1.60) <br /> If./F.'f+fb/Fe I1-(f,/Fc = 0.99 < 1 OK <br /> f./F.Z2+(fb/Fbb)`= 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 /> f j. = 0.86 < 1 OK <br /> Deflection (No Increase for Load Duration): <br /> Defl: U 180 = 0.60 0.23 < 0.60 OK <br /> tud x 4 oc OK <br /> Checks Crushing for Stud Spacing` <br /> No Stress Increase for Load Duration <br /> Hem Fir Plates: fdF,_L'= 0.46 < 1 OK <br /> Douglas Fir Plates: f./FrL'= 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 />