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A platform for research: civil engineering, architecture and urbanism
Thermal evaluation of structural concretes for construction of biodigesters
Highlights ► Thermal conductivity of structural concrete according to its components. ► Thermal resistance of structural light and recycled concretes. ► Thermal resistance of concrete for biodigesters. ► Nomograms for thermal conductivity calculation.
Abstract The following study consists of the thermal evaluation of the enclosure of a reinforced concrete biodigester, through the theoretical analysis of the influence of each component of the materials in the whole mixture, depending on the distinct values of thermal conductivity of the concrete. To determine this variable in each specific case, a review of the theoretical models developed over the years by experts in the field has been made to find the most suitable model for the case under study. The effect on the thermal conductivity of the variation in type and proportion of the basic elements making up the concrete is studied: the aggregate, the cement, the water/cement ratio, the porosity and the humidity among others, with the aim of providing a tool for estimating the thermal conductivity of a concrete created with the desired proportions. This tool is designed in the form of a nomogram for each specific case, in which conventional concrete, concrete with recycled aggregate from construction and demolition waste (CDW) and lightweight structural concrete are differentiated.
Thermal evaluation of structural concretes for construction of biodigesters
Highlights ► Thermal conductivity of structural concrete according to its components. ► Thermal resistance of structural light and recycled concretes. ► Thermal resistance of concrete for biodigesters. ► Nomograms for thermal conductivity calculation.
Abstract The following study consists of the thermal evaluation of the enclosure of a reinforced concrete biodigester, through the theoretical analysis of the influence of each component of the materials in the whole mixture, depending on the distinct values of thermal conductivity of the concrete. To determine this variable in each specific case, a review of the theoretical models developed over the years by experts in the field has been made to find the most suitable model for the case under study. The effect on the thermal conductivity of the variation in type and proportion of the basic elements making up the concrete is studied: the aggregate, the cement, the water/cement ratio, the porosity and the humidity among others, with the aim of providing a tool for estimating the thermal conductivity of a concrete created with the desired proportions. This tool is designed in the form of a nomogram for each specific case, in which conventional concrete, concrete with recycled aggregate from construction and demolition waste (CDW) and lightweight structural concrete are differentiated.
Thermal evaluation of structural concretes for construction of biodigesters
Díez Ramírez, Francisco Manuel (author) / Muñoz, Francisco Ballester (author) / López, Esteban López (author) / Polanco, Agustín Valcarce (author)
Energy and Buildings ; 58 ; 310-318
2012-11-24
9 pages
Article (Journal)
Electronic Resource
English
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