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Uniformly Loaded Simple Span Beam <br />Revised: 03/02/93 <br /> <br />Span : 25 ft. <br />Trib, : 8 ft, <br /> <br /> ~ ~ b : 7.5 in. <br /> d : 17.5 in. <br /> <br />fT~ . ~w-~ DL : 10 psf <br /> ~6~ LL : 66 psf <br /> <br /> ~No. 1 : Douglas Fir - <br /> <br />min. brg. <br /> <br />fb : 1,489 <-- <br />fy : 87 <-- <br />L/xxx : 201 <-- <br />Defl. : 1~00 in. <br />length: 1,4~ in. <br /> <br />LUMBER .' ~T>:-<~> ~To:Sel;~ot Lumber <br /> Z.Z5 Load Duration Factor <br /> <br /> I ~ 33{9.61 in.~4 <br /> <br />Beams and Stringers <br /> <br />ok (17.1 min.) 1,552 psi : Fb <br />ok 98 psi : Fv <br />~ < L/360 <br /> 1,600 ksi : E <br /> 719 psi : F~ <br /> <br />III III I III ,,,, .... <br /> <br /> <br />