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19011 Wood-Sno Road NE,Suite 100 <br /> BT <br /> Woodinville,%VA 98072-4436 <br /> „4 Phone'425-814-84481 <br /> ENGn\TLERRq G Fax:425-821-2120 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bending formula: <br /> [fJF�]`+fb/Fb'[1-(fjFF)]< 1 in which: Fps= 0.822(Emin')/(1jd)2 <br /> Wall: Exterior Walls Wall Height: 9 ft <br /> Desired Stud Spacing: 24 in oc <br /> No Fire Rating Design Axial Dead Load: 683 pif <br /> 2c6 Design Axial Live Load: 960 plf <br /> SPF Stud •r Design Axial Snow Load: 538 plf <br /> Design Lateral Pressure(0.6W): 15 psf <br /> Deflection Criteria: U 240 <br /> STUD CHECK e2 d < 50 OK <br /> 5+0.6W(Cp= 1.60) <br /> [fjFc)"+fb1Fb'[1-(f jF u))= 0.53 < 1 OK <br /> fJF,E2+(fb/FbE)`= 0.00 < 1 OK <br /> D+0.75L+0.75(0.6VV)+0.75S(Co= 1.60) <br /> [fdF.,]`+fb/Fe 11-(fdF1)]= 0.92 < 1 OK <br /> fdF.E2+(fdFbrX= 0.00 < 1 OK <br /> D+0.75L+0.75S(CI)= 1.16) <br /> fjF.'= 0.72 < 1 OK <br /> D+L(CD= 1.0) <br /> f�FR= 0.71 < 1 OK <br /> Deflection (No Increase for Load Duration): <br /> Defl: U 240 = 0.45 0.18 < 0.46 OK <br /> to x 24oc UK j <br /> Checks Crushing for Stud Spacing` <br /> No Stress Increase for Load Duration <br /> Hem Fir Plates: fdF.,'= 0.87 < 1 OK <br /> Douglas Fir Plates: fdFat= 0.56 < 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: 1/2-7/2021 <br /> Page: M 1 .1 <br /> C <br />