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19011 Wood-Sno Road NE.Suite 100 <br /> BTLWoodinville,WA 99072-4436 <br /> Phone:425-814-8448 i <br /> ENGINEERING Fax:425-821-2120 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bending formula: <br /> +fb/Fb'11-(fjFeF)l<1 in which: FeE=0.822(Emin')/(Ee/d)2 <br /> Wall: Exterior Walls Wall Height: 9 ft <br /> Desired Stud Spacing: 24 in oc <br /> No Fire Rating t+ Design Axial Dead Load: 683 plf <br /> 2A rr Design Axial Live Load: 960 plf <br /> SPF Stud v Design Axial Snow Load: 538 plf <br /> Design Lateral Pressure(0.6W): 15 psf <br /> Deflection Criteria: U 240 <br /> STUD CHECK Geld < 50 OK <br /> D+0.6W(CD= 1.60) <br /> [fdF.]`+fb/Fe[1-(f./F.E)l= 0.53 < 1 OK <br /> fJFu+(fb/FbE)`= 0.00 < 1 OK <br /> D+0.75L+0.75(0.6"+0.75S(Cp= 1.60) <br /> [f./F.92+fb/Fb'[1-(f JF.E)]= 0.92 < 1 OK <br /> fe/F.E2+(fb/FbE)`= 0.00 < 1 OK <br /> D+0.75L+0.75S(Cc)= 1.15) <br /> fjF.'= 0.72 < 1 OK <br /> D+L(Co= 1.0) <br /> f�F�= 0.71 < 1 OK <br /> Deflection(No Increase for Load Duration): <br /> Defl: U 240 = 0.45 0.18 < 0.45 OK <br /> SPF 9t"ua NA @ 24 oc OK <br /> Checks Crushing for Stud Spacing` <br /> No Stress Increase for Load Duration <br /> Hem Fir Plates: fjFZ= 0.87 < 1 OK <br /> Douglas Fir Plates: f./FL'= 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: 1/27/2021 <br /> Page: M 1 .1 <br />