2023
DOI: 10.21203/rs.3.rs-2599953/v1
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A coupled hydro-chemo-mechanical approach to model the degradation and appearance of cracks in cementitious materials subject to carbonation

Abstract: Coupled Thermal-Hydraulic-Mechanical-Chemical (THMC) approaches are crucial for assessing the durability of cementitious materials. We present a novel approach to overcome past limitations of THMC modelling and validate it based on experimental results of accelerated carbonation tests. Our numerical approach rests on a sequential coupling between Hytec and Cast3M. Hytec computes the evolution of hydraulic and mineralogical fields allowing to compute the micromechanical properties (e.g. Young modulus). The mine… Show more

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