Numerical Modeling of Coupled Hydrothermo-Mechanical Behavior of Concrete Structures

Krejcí, Tomáš and Koudelka, Tomáš and Kruis, Jaroslav (2015) Numerical Modeling of Coupled Hydrothermo-Mechanical Behavior of Concrete Structures. Pollack Periodica, 10 (1). pp. 19-30. ISSN 1788-1994

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Abstract

This paper is devoted to a computer simulation of coupled-thermo-hydro mechanical analysis of concrete structures. The attention is concentrated to concrete structures at early stage, when hydration heat evolution and moisture content changes can influence significantly the reliability and service life of these structures. The results of computation are illustrated by the simulation of a foundation slab, which is situated in the basement of the administration building Prague-Tìšnov, Czech Republic. The Künzel and Kiessl approach is used to analyze heat and moisture fields and it is extended by a set of climatic conditions and by a model of hydration heat evolution in concrete. The problem is solved using the open source program SIFEL.

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