Journal
CEMENT AND CONCRETE RESEARCH
Volume 146, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cemconres.2021.106475
Keywords
Water sorption; Microstructure; Numerical modelling; Lattice Boltzmann modelling; Cement paste
Funding
- European Union Horizon 2020 Research and Innovation Programme under the Marie Sklodowska Curie Innovative Training Networks programme [764691]
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A lattice Boltzmann modelling framework is described for exploring water sorption in cement, coupled to a dynamic model of cement hydrate microstructure. The first simulations using the model show good qualitative agreement with experimental results in extracting transport and microstructural relaxation parameters. Limitations of the methodology are discussed.
We describe a lattice Boltzmann modelling framework for fluid sorption coupled to a dynamic model of cement hydrate microstructure upon which it is possible to explore ideas of water sorption in cement emergent from NMR and other recent experimental studies. The results of the first simulations using the model are presented. We show that it is possible to extract transport and microstructural relaxation parameters from the simulations that are in good qualitative agreement with experiment. We discuss limitations of the methodology.
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