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<br />BOT AS ENGINEERING, INC. <br /> <br />Consulting Engineers <br /> <br />Patricia M. Botas - Florida License # 41829 <br />7875 NW 12th Street, Suite 120 - Miami, Fl33126 <br /> <br />Job Sunny Isles Restaurant <br /> <br />- <br />Sheet No. of <br /> <br />Calculated by DBC Date 5/2010 <br /> <br />Checked by PMB Date 5/2010 <br /> <br />3.G. Concrete Floor Beam FB-3 - Flexural AnalysIs <br /> <br />- Materials and 5ectlon Data <br /> <br />Cross Section : <br /> <br />Concrete * Masonry: <br />Strength: ~:= 5500pSl <br /> <br />Width of Beam: ..5:3,,:= 12tn <br /> <br />Depth of Beam: ...xlt.,:= 20tn <br /> <br />Weight of <br />concrete : <br /> <br />~:= 150pcf <br /> <br />Masonry <br />self-weight: <br /> <br />~:= G8pSf <br /> <br />- Beam span +: Tributary len<3th : <br /> <br />Remforcmq Steel : <br />Yield Strength: Jx;,,:= GOKsI <br /> <br />Clear rebar <br />cover : <br /> <br />~:= 2tn <br /> <br />Beam span: .~:= 24ft + 8tn Tributary Length at roof: ~:= I , ft + 6tn <br /> <br />Slab: <br /> <br />~:= 24ft + 81n <br /> <br />~:= 5ft + 4tn <br /> <br />- Beam Loads : <br /> <br />Beam's Dead loads <br /> <br />Beam self-weight: <br /> <br />Wall Dead Load on beam: <br /> <br />~~:=wc.dt.b <br />~~...:= wwall' 7.67ft <br /> <br />RTB self-welqht : <br /> <br />Wrbeam.SW. <br /> <br />Roof Dead Load on beam: <br /> <br />~..QlJ....:= Ltrtb I RoofDL <br />.~~:= Ltrtb251abDL <br /> <br />Slab Dead Load on beam: <br /> <br />~:= wbeam.5W + Wbeam.Wall + wbeam.DL I + Wbeam.DL2 + Wrbeam.SW <br /> <br />Beam's live loads <br /> <br />Wbeam.5W = 250 plf <br />Wbeam. Wall = 522 plf <br /> <br />Wrbeam.5W = 100 plf <br /> <br />Wbeam.DL I = 288 plf <br />wbeam.DL2 = 533 plf <br /> <br />WDL = I G92 plf <br /> <br />Live Load on beam: <br /> <br />~:= Ltrtb I RoofLL + Ltrtb2 FloorLL2 <br /> <br />~:= Wbeam.LL <br /> <br />Bendmt3 Moments and Shear <br /> <br />Span moment DL : <br /> <br />~A - I L 2 <br />~.....:= 12 WDL beam <br />~A - I L 2 <br />~:= 12 wLL beam <br /> <br />~:= 1.2' MspanDL + 1.6' MspanLL <br /> <br />Span moment LL : <br /> <br />Span Ultimate Moment: <br /> <br />Wbeam.LL = 443.3 plf <br />WLL = 443.3 plf <br /> <br />MspanDL = 86 Klpft <br />MspanLL = 22 Klpft <br /> <br />,:,,>~>!iitt.<i"9r ~,.,,<~1,t:;"*'tW~'1/';\t$A '~'''-'~-''''~'~re' <br />.' tV! '" >,. , ,,,,,., ", ""J' """II"'~ 'v..' . <br />. sp,anU;, s;,:,38.9.Np,(:, <br />.,;t '~;,_,"-k',}~ ':,'~'~4f, :;';;7,1 c-'. ot,sr:'''kii, ~",-'j;:~~.,>&:t'~02'"'.i' <br /> <br />44 <br />