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Hygrothermal and mechanical model of concrete at high temperature

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Abstract

A computational model allowing for the thermohygrometric and mechanical analysis of concrete structures at high temperature by means of the finite element method is presented. The model includes creep coupled with damage and related cross-effects due to hygrothermal behaviour. A comparison between experimental tests performed by Bažantet al. on concrete cylinders at high temperature and the numerical results obtained from the model presented are shown.

Résumé

On présente un modèle pour l’analyse thermohygrométrique et mécanique des structures en béton à haute température au moyen de la méthode des éléments finis. Ce modèle inclut le fluage associé à l’endommagement et les effets reliés au comportement hygrothermique. On présente une comparaison entre des résultats des essais réalisés par Bažantet al. sur des cylindres en béton à haute température et les résultats numériques obtenus du modèle.

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Authors and Affiliations

  1. Dipartimento di Costruzioni e Trasporti, Facoltà di Ingegneria, Università degli Studi di Padova, Via F. Marzolo 9, 35131, Padova, Italy

    Carmelo E. Majorana, Valentina Salomoni & Bernhard A. Schrefler

Authors
  1. Carmelo E. Majorana
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  2. Valentina Salomoni
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  3. Bernhard A. Schrefler
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Additional information

Editorial Note Dr. Carmelo Majorana is a RILEM Senior Member and a corresponding member of TC 114-CCS on Computer Programmes for Creep and Shrinkage Prediction. Prof. Bernhard Schrefler is a RILEM Senior Member.

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Majorana, C.E., Salomoni, V. & Schrefler, B.A. Hygrothermal and mechanical model of concrete at high temperature. Mat. Struct. 31, 378–386 (1998). https://doi.org/10.1007/BF02480710

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  • DOI: https://doi.org/10.1007/BF02480710

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