Damage modelling in concrete subject to sulfate attack

Damage modelling in concrete subject to sulfate attack

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In this paper, we consider the mechanical effect of the sulfate attack on concrete.The durability analysis of concrete structures in contact to external sulfate solutions requires the definition of a proper diffusion-reaction model, for the computation of the varying sulfate concentration and of the rubbermaid 8 gallon trash can consequent ettringite formation, coupled to a mechanical model for the prediction of swelling and material degradation.In this glass.dildo work, we make use of a two-ions formulation of the reactive-diffusion problem and we propose a bi-phase chemo-elastic damage model aimed to simulate the mechanical response of concrete and apt to be used in structural analyses.