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B 3 r ' 19011 Wood-Sno Road NE,Suite 100 <br /> Woodinville,WA 98072-4436 <br /> MWOMMOMM.1 Phone:425-814-8448 i <br /> ENGIlVEERING lax:425-821-2120 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bending formula: <br /> [fWFc j`+fb/Fn'[1-(f./Fre)I< 1 in which: Fp= 0.822(Emin')/(Vd)2 <br /> Wall: Exterior Walls Wall Height: 19.25 ft <br /> Desired Stud Spacing: 16 in oc <br /> No Fire Raling r Design Axial Dead Load: 323 plf <br /> (2)2x6 V Design Axial Live Load: 0 plf <br /> SPF Stud Design Axial Snow Load: 538 plf <br /> Design Lateral Pressure(0.6W): 15 psf <br /> Deflection Criteria: U 180 <br /> STUD CHECK le/d < 50 OK <br /> D+0.6W(Co= 1.60) <br /> [f./F112+fb/Fe[1-(fdF�j]= 0.70 < 1 OK <br /> QF.,"+(fb/Fbf)`= 0.00 < 1 OK <br /> D+0.75L+0.75(0.6W)+0.75S(Ca= 1.60) <br /> [fc/Fo 1`+fb/Fli[1-(fdF.E)1 = 0.71 < 1 OK <br /> fjFrE2+(fb/Fbe)`= 0.00 < 1 OK <br /> D+0.75L+0.75S(Co= 1.15) <br /> f./F,= 0.30 < 1 OK <br /> D+L(Co= 1.0) <br /> fc:/F,'= 0.14 < 1 OK <br /> Deflection (No Increase for Load Duration): <br /> Defl: U 180 = 1,28 1.24 < 1.28 OK <br /> to 2)2xf @ 16 oc OK <br /> Checks Crushing for Stud Spacing` <br /> No Stress Increase for Load Duration <br /> Hem Fir Plates; fJF��'= 0.13 < 1 OK <br /> Douglas Fir Plates: fdFcL'= 0.Q8 < 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: M1.2 <br />