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• s <br /> Langford Deck Replacement <br /> Structural Calculations <br /> Deck Structural Calculations <br /> wd1:= 10 Deck dead load(psf) <br /> w11:= 40 Deck live load(psf) <br /> ]joist 7.• 5 Joist span(ft) <br /> ]beam` 16 Max beam span(ft) <br /> 12.1.33(wd1 4- W11) oist2 <br /> Mjoist:_ -- =5611 Max joist moment(in-Ibs) <br /> 8 <br /> Fb •.= 900 DFL bending stress(psi) <br /> Sreq .- Mjoist _ 6.234 Section modulus required for stresses(inA3) <br /> Fb <br /> E:= 1.6.106 Wood modulus(psi) <br /> 1joist.12 <br /> Amax• =0.25 Max deflections(in) <br /> 360 <br /> 5 (wd, + w11)•ljoist4 <br /> .1.33. .1728 <br /> Ireq :_ — - = 11.836 Moment of inertia required for deflections(in"4) <br /> 384•E•Omax <br /> Use 2x8 joists @ 16"o.c.(S=13.14 in^3, I=47.63 inA3) <br /> Connect to beam/ledger w/Simpson Joist hangers <br /> „SHALL <br /> r.' 9 <br /> O 4, 4 672 <br /> G <br /> •AL EN <br /> 4 G1 <br /> 4/ON <br /> % S/ONALE74 <br /> rr--- <br /> �. J � . <br /> By:J. Conner, PE, SE I <br /> D \ J L 1,_=i '\ Deck Structural Calcs.xmcd <br /> 1 9 12/5/2019 <br /> LR\ DEC 0 6 20i9 ,' <br /> Ci TY OF EVERETT <br /> Permit iti.; <br />