CALCULO DE ACERO DE VIGAS

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  PREDIMENSIONAMIENTO DE VIGAS H=Lnα =11 α α =10α =9HDonde:H=Peralte de la vigaLn=Luz libre de la vigaBDireccionLn (m)α HPRD! #$!%#& !#'% D L& $egu R# la  CALCULO DE ACEROS EN LA ZONA POSITIVA (+)TRAMO AB y DE u=1*2tonm/3=4*0000.g,cm*d=400cm/c*400.g,cm5a*06d=9b=*cm!' u 7 /3da,*!' /3&+08/cba11*2*59*8;094*004004400 8.21 14*00008*1*02 6.62 *1*2*59*8;094*004005514129 7.97 *4*0000;9;*02 6.4 51*2*59*8;094*004005*141;8 7.9! 54*0000;9*02 6.42 41*2*59*8;094*004005*0841;9 7.9!  %< 44*0000;9*02 6.42 TRAMO BC y CD u=1099tonm/3=4*0000.g,cm*d=400cm/c*400.g,cm5a*06d=9b=*cm!' u 7 /3da,*!' /3&+08/cba11099*095;094*004004400 7.18 14*0000;18*02 !.79 *1099*095;094*00400*8924*10 6.91 *4*0000291*02 !.!7 51099*095;094*00400*;824**1 6.89 54*0000289*02 !.!6 41099*095;094*00400*;;94*** 6.89  %< 44*0000289*02 !.!6 (da,*) &rea cm*(da,*) &rea cm* As=Mu/( ᶲ Fy(d-a/2)) a =(Fy∗As)/(0.85∗Fc∗b) As=Mu/( ᶲ Fy(d-a/2)) a =(Fy∗As)/(0.85∗Fc∗b)  CALCULO DE ACEROS EN LA ZONA NEGATIVA ( )E#ES A y E u=1099tonm/3=4*0000.g,cm*d=400cm/c*400.g,cm5a*06d=9b=*cm!' u 7 /3da,*!' /3&+08/cba11099*095;094*004004400 7.18 14*0000;18*02 !.79 *1099*095;094*00400*8924*10 6.91 *4*0000291*02 !.!7 51099*095;094*00400*;824**1 6.89 54*0000289*02 !.!6 41099*095;094*00400*;;94*** 6.89  %< 44*0000289*02 !.!6 E#ES B y D u=1;9tonm/3=4*0000.g,cm*d=400cm/c*400.g,cm5a*06d=9b=*cm!' u 7 /3da,*!' /3&+08/cba11;8;5094*004004400 11.49 14*00001149*02 9.27 *1;8;5094*004004254405; 11.! *4*0000115*02 9.$ 51;8;5094*004004249405 11.! 54*0000115*02 9.$ 41;8;5094*00400421405 11.!  %< 44*0000115*02 9.$ (da,*) &rea cm*(da,*) &rea cm* As=Mu/( ᶲ Fy(d-a/2)) a =(Fy∗As)/(0.85∗Fc∗b) As=Mu/( ᶲ Fy(d-a/2)) a =(Fy∗As)/(0.85∗Fc∗b)  E#E C u=199tonm/3=4*0000.g,cm*d=400cm/c*400.g,cm5a*06d=9b=*cm!' u 7 /3da,*!' /3&+08/cba119880094*004004400 1$.44 14*00001044*02 8.4 *19880094*004004*1540;9 1$.7 *4*0000105;*02 8.7 519880094*004004185408* 1$.6 54*00001052*02 8.6 419880094*00400418408* 1$.6  %< 44*00001052*02 8.6CUANTIA DE ACERO EN VIGA PRINCIPAL %CENTRAL% EN CM2  &289B115-1052D115289;9289289;9(da,*) &rea cm* As=Mu/( ᶲ Fy(d-a/2)) a =(Fy∗As)/(0.85∗Fc∗b)
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