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<br />BOlAS ENGINEERING, INC. <br /> <br />Job Sunny Isles Restaurant <br /> <br />- <br />Sheet No. of <br /> <br />Consulting Engineers <br /> <br />Calculated by DBC Date 5/2010 <br /> <br />Patricia M. Botas - Florida License # 41829 <br />7875 NW 12th Street, Suite 120 - Miami, FL 33126 <br /> <br />Checked by PMB Date 5/2010 <br /> <br />Flexure Design (Long Way) <br /> <br />Diameter of proposed bottom lonqltudmal remforcement : <br />Bar := 5 dr:= Bar. Er 'm dr = O.G m Abar:= 0.0 122. (Bar m) 2 <br /> <br />Distance from exterior compressive fiber to <br />centroid of tensional remforcement : <br /> <br />dl := dt - I .5dr - eov <br /> <br />Factor pi: <br /> <br />~ I := [If[fe < 4000pSl ,0.85,[0.85 _ 0.05' (fe - 4000PSI)]]~ I <br />I OOOpSI J <br /> <br />~:= 0.9 <br /> <br />0.85' fe ( 2. M1u J <br />P t'= . I - l- <br />ac' fy 0.85. fe. ~ . dl2 <br /> <br />'_ . (0.85 . ~ I . fe. 87000pSI ) <br />Pmax .- 0.75 <br />fy 87000 pSI + fy <br /> <br />Resistance factor <br /> <br />Reinforcement ratio : <br /> <br />Maximum reinforcing ratio: <br /> <br />Max. reinforcement checkmg: MaxRemfCheek:= If( Pact < P max' "OK" , "error" ) <br /> <br />Area of Steel needed : <br /> <br />As := Pact' dl <br /> <br />Min. steel area: <br /> <br />A '- f[ 3, yfe . Ibf <br />Smm .- I _ 2 <br />fy.b.ft.m <br /> <br />Remf. steel <br /> <br />required: <br /> <br />Asteel := If[ As < Asmm, (If( As. I .33 < Asmln, As. I .33 , Asmln)) , <br /> <br />Rebar's size : <br /> <br />Rebars spanclng : <br /> <br />( Abar ) <br />spel:= - <br />Asteel <br /> <br />2 <br />Abar = 0.3 I m <br /> <br /> <br />= 0.77 <br /> <br />Pact = 0.0092 <br /> <br />Pmax = 0.02G8 <br /> <br /> <br />2 <br />m <br />As = 0.5G- <br />ft <br /> <br /> <br /> <br />pel = G.5m <br /> <br />Long Way Reinf. --> #5@6.5" <br />o.c. <br /> <br />Slab Design Summary <br /> <br />Slab depth = 8" <br /> <br />Short Way Reinf. --> #5@6" o.c. <br />Long Way Reinf. --> #5@6" o.c. <br /> <br />72 <br />