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BT <br /> 19011 Wood-Svo Road NE,suite 100 <br /> LWoodinvilk,WA 98072-4436 <br /> Phone:425-814-8448 i <br /> ENGINEERING tax:425-821-2120 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bending formula: <br /> [f.IF,']`+fb/Fb'[1-(fJF.c)j< 1 in which: F E=0.822(Emin')/(Vd)2 <br /> Wall: Exterior Walls Wall Height: 19.25 ft <br /> Desired Stud Spacing: 16 in oc <br /> No Fire Rating nr Design Axial Dead Load: 323 plf <br /> (2)2x6 .o Design Axial Live Load: 0 plf <br /> SPF Stud 4 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(CD= 1.60) <br /> [fc F,f+fb/Fb'11-(fdFcE)1= 0.70 < 1 OK <br /> fe/FIE2+(fb/FbE)`= 0.00 < 1 OK <br /> D+0.75L+0.75(0.6W)+0.75S(Co= 1,60) <br /> [f./F�'Y+fb/Fb'[1-(fjF.E)]= 0,71 < 1 OK <br /> f, E2+(fb/Fbe)`= 0.00 < 1 OK <br /> D+0.75L+0.75S(CD= 1.15) <br /> fdF.'= 0.30 < 1 OK <br /> D+L(Cc)= 1.0) <br /> f,/F,= 0.14 < 1 OK <br /> Deflection(No Increase for Load Duration): <br /> Defl: U 180 = 1.28 1.24 < 1.28 OK <br /> SPF to 2)2x(@ 16 oc O <br /> Checks Crushing for Stud Spacing` <br /> No Stress Increase for Load Duration <br /> Hem Fir Plates: fdF,L'= 0.13 < 1 OK <br /> Douglas Fir Plates: f,/FGi= 0.08 < 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 />