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<br />BOT AS ENGINEERING, INC. <br /> <br />Job Sunny Isles Restaurant <br /> <br />Consulting Engineers <br /> <br />Sheet No. of <br /> <br />Patricia M. Bolas - Florida license # 41829 <br />7875 NW 12th Street, Suite 120 - Miami, Fl33126 <br /> <br />Calculated by DBC Date 5/2010 <br />Checked by PMB Date 5/2010 <br /> <br />Flexure Design-Top Reinforcement <br /> <br />D'""lIvtCo' or f" uposed top lonqltudmal remforcement : <br />Bar := 8 dr:= Bar. 8- 'In dr = 1 In <br /> <br />2 <br />Abar := 0.01 22 . (Bar In) <br /> <br />2 <br />Abar = 0.78 In <br /> <br />Distance from exterior compressive fiber to <br />centroid of tensional remforcement : <br /> <br />d := dt - 0.5dr- dst - cov <br /> <br /> <br />Factor ~ I : <br /> <br />P I := If(fC < 4KsI, 0.85 ,0.85 - 0.05 . fc - 4KsIJ <br />1000pSI <br /> <br />~:= 0.9 <br /> <br />'- 0.85 . fc . (_ _ 2 . MsupPU J <br />Pact .- I I 2 <br />fy 0.85. fc. ~ . b. d <br /> <br />'_ . (0.85 . pI. fc . 87000PSIJ <br />Pmax .- 0.75 <br />fy 87KsI + fy <br /> <br />P I = 0.77 <br /> <br />ReSistance factor <br /> <br />Retnforcement ratio : <br /> <br />Pact = 0.00 13 <br /> <br />MaXimum relnforcmg ratio: <br /> <br />Pmax = 0.02G8 <br /> <br />Max. remforcement checking: Max Rei nfCheck := If( P act < P max' "OK" , "error" ) <br /> <br /> <br />2 <br />Area of Steel needed: As := Pact' b. d As = 1.741n <br />[ 3 . yfc . pSI 200 . pSI 3. yfc . pSI 200 . pSI ] 2 <br />Mm. steel area: Asmln:= If > , , ASmtn = 4.81 In <br />fy fy fy. (b . d) - I fy. (b . d) - I <br /> <br />Remforcement steel <br />to provide : <br /> <br />Asteel:= If(As < ASmln,lf(As. 1.33 < Asmm,As. 1.33,Asmm),AS) <br />t~:~~j~~~;-?:~r1;"~_J~~ftf~~~l <br />.Astiel'~~;r 2;32.ln!~ <br />;;;.;~;, ~~"t~t~;,2~}~~ftJ,~ <br /> <br />No. of bars to provide <br /> <br />(AsteelJ <br />n := ceil - <br />Abar <br /> <br /> <br />Rebar's size : <br /> <br /> <br />Top Reinf. --> 3-#8 <br /> <br />Shear DeSign <br /> <br />5hear Deslqn ~ distance "d" from the face of support <br /> <br />Ult. Shear @ distance "d" : <br /> <br />VU.d := Vu - ( 1.2 . WDL + I.G' WLL) . d <br /> <br />'t~ >;;O~'f'<" . ,!.~',> (1"~':~~"~"h~""~~ <br />V' Jf.1.::i:.4A;'KJ ., <br />U Q ~.. v.7 R-J <br />j,' ~\; ;:/..,; ',L,A~~ - ,~:4;{: f..~:7L~,~c'L;1~ <br /> <br />62 <br />