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<br />BOTAS ENGINEERING, INC. <br /> <br />- <br /> <br />Job Sunny Isles Restaurant <br /> <br />Consulting Engineers <br /> <br />- <br />Sheet No. of <br /> <br />Patricia M. Botas - Florida license # 41829 <br />7875 NW 12th Street, Suite 120 - Miami, FL 33126 <br /> <br />Calculated by DBC Date 5/2010 <br />Checked by PMB Date 5/2010 <br /> <br />Flexure DeSign <br /> <br />Diameter of proposed bottom longltudmal remforcement : <br />Bar := 5 dr:= Bar. 8- I In dr = O.G In Abar:= 0.0122' (Barln) 2 <br /> <br />Distance from exterior compressive fiber to <br />centroid of tensional remforcement : <br /> <br />d := dt - 0.5dr - cov <br /> <br />Factor ~ I : <br /> <br />( fc - 4KsIJ <br />pi := If fc < 4KsI ,0.85 ,0.85 - 0.05 . <br />1000pSI <br /> <br />~:= 0.9 <br /> <br />0.85 . fc ( 2 . Mu J <br />Pact := . I - I - 2 <br />fy 0.85. fc. ~. d <br /> <br />(0.85 . pI. fc 87000pSI J <br />Pmax := 0.75 . . <br />fy 87000 pSI + fy <br /> <br />ReSistance factor <br /> <br />Reinforcement ratio : <br /> <br />MaXimum relnforcmg ratio: <br /> <br />Max. reinforcement checking: MaxRelnfCheck:= If( Pact < P max' "OK" , "error" ) <br /> <br />Area of Steel needed: <br /> <br />As := Pact' d <br /> <br />[ 3 . yfe . pSI 200 . pSI 3, yfe . pSI 200 . PSI] <br />Mm. steel area: Asmm:= If > , _ I' _ I <br />fy fy fy.(d) fy.(d) <br /> <br />Relnf. steel <br /> <br />required : <br /> <br />Asteel := If( As < Asmm, If( As. I .33 < Asmln, As. I .33 , Asmm) , A <br /> <br />Rebar's size : <br /> <br />Rebars spancmg : <br /> <br />( Abar ) <br />spes:= - <br />Asteel <br /> <br />2 <br />Abar = 0.3 I In <br /> <br /> <br />P I = 0.77 <br /> <br />Pact = 0.004/ <br /> <br />Pmax = 0.02G8 <br /> <br /> <br />2 <br />In <br />As = 0.23- <br />ft <br /> <br />2 <br />In <br />ASmm = 0.2 I - <br />ft <br /> <br /> <br /> <br />Slab Desian Summary <br /> <br />Main Reinf. --> #5@12" o.c. <br /> <br />Slab depth = 8" <br />cover = 3" <br /> <br />Main Reinf. --> #5@12" o.c. <br />Sec. Reinf. --> #4@12" O.c. <br /> <br />77 <br />