Hygro-mechanical modelling of self induced stresses during the service life of concrete

Abstract : The prediction of concrete's long-term properties is of great importance for durability issues. The development of internal stresses generated by drying affect these latter especially the mechanical strength or the Young's modulus. In this paper, internal stresses due to drying are considered explicitly. In agreement with experimental results (not presented), the drying effects are modelled in a process taking into account the evaluation of the water state of the material, the modelling of the induced shrinkage strains and ending in mechanical computation. The evolution of the mechanical characteristics, the cracking induced by drying and the residual transport properties of the material can thus be determined.
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François Soleilhet, Farid Benboudjema, X. Jourdain, Fabrice Gatuingt. Hygro-mechanical modelling of self induced stresses during the service life of concrete. 2nd International RILEM/COST Conference on Early Age Cracking and Serviceability in Cement-based Materials and Structures - EAC2, Sep 2017, Brussels, Belgium. ⟨hal-01623486⟩

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