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CABEZAL Número de CABEZALES N = 1 Dimensiones Base: a (m) = 1.2 b (m) = 1.2 Cuerpo: h1 (m) = 0.23 h2 (m) = 0.23 h3 (m) = 0 Columna: a1 (m) = 0.3 b1 (m) = 0.3 Cómputo métrico Ecuación de volumen: rectangular+pirámide truncada+rectangular Volumen V (m^3) = 0.48 Dosificación : Totales: Dosificación Rc Ra Rg Rc = 278 Cemento Arena Grava Ra = 0.4 (kg) (m^3) (m^3) Rg = 0.8 1:2:3 325 0.5 0.7 Cemento Vc (kg) = 1:2:4 278 0.4 0.8 Arena Va (m^3) = 1:3:3 278 0.6 0.6 Grava Vg (m^3) = 1:3:4 242 0.54 0.75 Armaduras: Pérdidas (%) = 5 Armadura base: Recubrimiento r (cm) = 2 Armadura en la dirección 1: 12 Espaciamiento e1 (cm) = 15 n° de barras n1 = 9.00 Longitud de cada barra l1 ( 1.28 Longitud total Lt1 (m) = 12.096 Para 1 m 3 se tienen los siguientes rendimientos R: F1 (mm) = V =N ( a b h 1+ h 2 3 (a 1 b 1+a b+ a 1 b 1 a b )+a 1 b 1 h 3 )

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CABEZALNmero de CABEZALES N = 1DimensionesBase:a (m) = 1.2b (m) = 1.2Cuerpo:h1 (m) = 0.23h2 (m) = 0.23h3 (m) = 0Columna:a1 (m) = 0.3b1 (m) = 0.3Cm!"o m#"ri$oE$!a$in de %o&!men' re$"an(!&ar)ir*mide "r!n$ada)re$"an(!&arVolumen V (m^3) = 0.48Dosi+i$a$in ',o"a&es'Dosi+i$a$in-$ -a -( -$ = 2./Cemen"o Arena 0ra%a-a = 0.1(2() (m33) (m33) -( = 0./ 1:2:3 325 0.5 0.7Cemen"o 4$ (2() = 1:2:4 278 0.4 0.8Arena 4a (m33) = 1:3:3 278 0.6 0.60ra%a 4( (m33) = 1:3:4 242 0.54 0.75Armad!ras'5#rdidas (6) =7Armadura ase:-e$!brimien"o r ($m) =2Armadura en la d!re""!#n 1:12Esa$iamien"o e1 ($m) = 17n8 de barras n1 = $.00Lon(i"!d de $ada barra &1 (m) = 1.28Lon(i"!d "o"a& L"1 (m) = 12.0$6%ara 1 m3 se &!enen los s!'u!en&es rend!m!en&os (:1 (mm) =V=N(abh1+h23( a1b1+ab+a1b1ab) +a1b1h3)Armadura en la d!re""!#n 2:12Esa$iamien"o e2 ($m) = 17n8 de barras n2 = $.00Lon(i"!d de $ada barra &2 (m) = 1.28Lon(i"!d "o"a& L"2 (m) = 12.10Armadura "uerpo:-e$!brimien"o base rb ($m) = 7.0-e$!brimien"o $o&!mna r$ ($m) = 7.0Armadura de pun)onam!en&o:12Lon(i"!d de& ie & (0.2 m) (m) = 0.1n8 de barras n = 4.0Lon(i"!d de $ada barra & (m) = 0.834Lon(i"!d "o"a& L" (m) = 3.5028*s&r!os:9Esa$iamien"o e ($m) = 17n8 de es"ribos ne = 4.06667Lon(i"!d de $ada es"ribo &e (m) = 1.1Lon(i"!d "o"a& L" (m) = 4.70-ES:;EN'+orm!'#n Armado:;a"eria& :nidad Can"idadCemen&o (,') 132.3558Arena (m^3) 0.1$044-ra.a (m^3) 0.38088/on'!&ud de 0!erros:N8 Des$ri$in Lon(i"!d(mm) (m)1Arm.ase1!re""!#n 112 12.0$621!re""!#n 212 12.0$63Arm."uerpo2pun)onam!en&o12 3.502827.6$4*s&r!os6 4.702 (mm) = (mm) = (mm) =lp=l +h1+h2+h3rb100 +21000Lt =1. 05Nnlpne=100( h1+h2+h3)e+1le=2(a1+b12rc100 +0. 02)+521000Lt =1. 05Nnelen1=100ae1+1l 1=a2r100 +2511000 Lt 1=1. 05Nn1l 1n2=100be2+1l 2=b2r100 +2521000 Lt 2=1. 05Nn2l 2CABEZAL132.360.1$0.38Vc=RcVVa=RaVVg=RgVV=N(abh1+h23( a1b1+ab+a1b1ab) +a1b1h3)lp=l +h1+h2+h3rb100 +21000Lt =1. 05Nnlpne=100( h1+h2+h3)e+1le=2(a1+b12rc100 +0. 02)+521000Lt =1. 05Nnelen1=100ae1+1l 1=a2r100 +2511000 Lt 1=1. 05Nn1l 1n2=100be2+1l 2=b2r100 +2521000 Lt 2=1. 05Nn2l 2CABEZALNmero de CABEZALES N = 1DimensionesBase:a (m) = 1.7b (m) = 1.7Cuerpo:h1 (m) = 0.17h2 (m) = 0.1h3 (m) = 0Columna:a1 (m) = 0.3b1 (m) = 0.3Cm!"o m#"ri$oE$!a$in de %o&!men' re$"an(!&ar)ir*mide "r!n$ada)re$"an(!&arVolumen V (m^3) = 1.38Dosi+i$a$in ',o"a&es'Dosi+i$a$in-$ -a -( -$ = 2./Cemen"o Arena 0ra%a-a = 0.1(2() (m33) (m33) -( = 0./ 1:2:3 325 0.5 0.7Cemen"o 4$ (2() = 1:2:4 278 0.4 0.8Arena 4a (m33) = 1:3:3 278 0.6 0.60ra%a 4( (m33) = 1:3:4 242 0.54 0.75Armad!ras'5#rdidas (6) =7Armadura ase:-e$!brimien"o r ($m) =2Armadura en la d!re""!#n 1:12Esa$iamien"o e1 ($m) = 17n8 de barras n1 = 11.00Lon(i"!d de $ada barra &1 (m) = 1.58Lon(i"!d "o"a& L"1 (m) = 18.24$%ara 1 m3 se &!enen los s!'u!en&es rend!m!en&os (:1 (mm) =V=N(abh1+h23( a1b1+ab+a1b1ab) +a1b1h3)Armadura en la d!re""!#n 2:12Esa$iamien"o e2 ($m) = 17n8 de barras n2 = 11.00Lon(i"!d de $ada barra &2 (m) = 1.58Lon(i"!d "o"a& L"2 (m) = 18.25Armadura "uerpo:-e$!brimien"o base rb ($m) = 7.0-e$!brimien"o $o&!mna r$ ($m) = 7.0Armadura de pun)onam!en&o:12Lon(i"!d de& ie & (0.2 m) (m) = 0.1n8 de barras n = 4.0Lon(i"!d de $ada barra & (m) = 1.224Lon(i"!d "o"a& L" (m) = 5.1408*s&r!os:9Esa$iamien"o e ($m) = 17n8 de es"ribos ne = 6.66667Lon(i"!d de $ada es"ribo &e (m) = 1.1Lon(i"!d "o"a& L" (m) = 7.70-ES:;EN'+orm!'#n Armado:;a"eria& :nidad Can"idadCemen&o (,') 384.8$1Arena (m^3) 0.5538-ra.a (m^3) 1.1076/on'!&ud de 0!erros:N8 Des$ri$in Lon(i"!d(mm) (m)1Arm.ase1!re""!#n 112 18.24$21!re""!#n 212 18.24$3Arm."uerpo2pun)onam!en&o12 5.140841.644*s&r!os6 7.702 (mm) = (mm) = (mm) =lp=l +h1+h2+h3rb100 +21000Lt =1. 05Nnlpne=100( h1+h2+h3)e+1le=2(a1+b12rc100 +0. 02)+521000Lt =1. 05Nnelen1=100ae1+1l 1=a2r100 +2511000 Lt 1=1. 05Nn1l 1n2=100be2+1l 2=b2r100 +2521000 Lt 2=1. 05Nn2l 2CABEZAL384.8$0.551.11Vc=RcVVa=RaVVg=RgVV=N(abh1+h23( a1b1+ab+a1b1ab) +a1b1h3)lp=l +h1+h2+h3rb100 +21000Lt =1. 05Nnlpne=100( h1+h2+h3)e+1le=2(a1+b12rc100 +0. 02)+521000Lt =1. 05Nnelen1=100ae1+1l 1=a2r100 +2511000 Lt 1=1. 05Nn1l 1n2=100be2+1l 2=b2r100 +2521000 Lt 2=1. 05Nn2l 2C