Contribution of the capillary pressure second-order term on fast drying of cement-based materials
Résumé
On the basis of a drying experiment for cement paste, the dynamic model and non-dynamic model have been implemented and compared. Experimental data verifications indicate that dynamic model gives better results than static one. Moreover, the comparisons of numerical simulations reveal that dynamic capillarity effect has non-negligible influence on deformation and permeability.
All investigations allow concluding that dynamic effects on capillary pressure should be taken into account to quantify moisture transport for fast drying condition.
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