Mechanical properties of self-consolidating concrete using conventional concrete models

Vilanova Fernández, Angel; Fernandez Gomez, Jaime Antonio y Agranati Landsberger, Galit (2012). Mechanical properties of self-consolidating concrete using conventional concrete models. "ACI Materials Journal", v. 109 (n. 6); pp. 587-596. ISSN 0889-325X.

Descripción

Título: Mechanical properties of self-consolidating concrete using conventional concrete models
Autor/es:
  • Vilanova Fernández, Angel
  • Fernandez Gomez, Jaime Antonio
  • Agranati Landsberger, Galit
Tipo de Documento: Artículo
Título de Revista/Publicación: ACI Materials Journal
Fecha: Noviembre 2012
Volumen: 109
Materias:
Palabras Clave Informales: Model estimation; modulus of elasticity; modulus of rupture; self-consolidating concrete; tensile strength.
Escuela: E.T.S.I. Caminos, Canales y Puertos (UPM)
Departamento: Ingeniería Civil: Construcción
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

The objective of this study is to analyze the applicability of current models used for estimating the mechanical properties of conventional concrete to self-consolidating concrete (SCC). The mechanical properties evaluated are modulus of elasticity, tensile strength,and modulus of rupture. As part of the study, it was necessary to build an extensive database that included the proportions and mechanical properties of 627 mixtures from 138 different references. The same models that are currently used for calculating the mechanical properties of conventional concrete were applied to SCC to evaluate their applicability to this type of concrete. The models considered are the ACI 318, ACI 363R, and EC2. These are the most commonly used models worldwide. In the first part of the study, the overall behavior and adaptability of the different models to SCC is evaluated. The specific characterization parameters for each concrete mixture are used to calculate the various mechanical properties applying the different estimation models. The second part of the analysis consists of comparing the experimental results of all the mixtures included in the database with the estimated results to evaluate the applicability of these models to SCC. Various statistical procedures, such as regression analysis and residual analysis, are used to compare the predicted and measured properties. It terms of general applicability, the evaluated models are suitable for estimating the modulus of elasticity, tensile strength, and modulus of rupture of SCC. These models have a rather low sensitivity, however, and adjust well only to mean values. This is because the models use the compressive strength as the main variable to characterize the concrete and do not consider other variables that affect these properties.

Más información

ID de Registro: 15487
Identificador DC: http://oa.upm.es/15487/
Identificador OAI: oai:oa.upm.es:15487
Depositado por: Memoria Investigacion
Depositado el: 19 Dic 2013 18:22
Ultima Modificación: 21 Abr 2016 15:34
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