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Foros Ingeniería Civil • Ratios para chequear metrados
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Ratios para chequear metrados

Publicado: Sab Abr 26, 2008 8:10 pm
por R2D2
Hola todos, alguien tiene ratios obtenidos a partir de metrados de edificaciones para obras de concreto armado y albañileria? Me refiero a conocer el ratio (kg de acero/m3 de concreto) para zapatas, columnas, placas, vigas, aligerados, etc. Yo tengo unos que me dieron cuando estudiaba, pero quisiera saber si tienen otros o mejores estimaciones. Estos ratios dependen de si es una estructura de concreto armado o albañileria, ademas que dependeran del numero de pisos de la estructura.
Los que tengo son los siguientes:
Zapatas: 40 a 70 kg/m3
Columnas: 100 a 350 kg/m3
Vigas: 100 a 250 kg/m3
Aligerados: 80 a 175 kg/m3
Losas macizas: 50 a 200 kg/m3
Estos valores referenciales son utiles para chequear metrados.

Re: Ratios para chequear metrados

Publicado: Vie Sep 17, 2010 7:30 am
por ehard
Este ratio debe contemplar definitivamente el tipo de suelo. y sistema estructural utilizado. Para pabellones de Unidades Escolares en Perú de 2 niveles arroja el ratio de (Acero/Área Techada):

Suelo intermedio 26kg/m2
Suelo Malo 36kg/m2