A physico-chemical model for the water vapour sorption isotherm of hardened cementitious materials

This paper reports on the recent development of a physico-chemical model for the water retention characteristic of porous media and its application to the prediction of water vapour sorption isotherm of cementitious materials. This research aims to develop a convenient method for analysis of pore size distribution. The model is used to predict the water vapour isotherm, which is compared with those using a traditional model.