Prediction of hydroxyl concentrations in cement pore water using a numerical cement hydration model

R.J. Eijk, van, H.J.H. Brouwers

Research output: Contribution to journalArticleAcademicpeer-review

16 Citations (Scopus)

Abstract

In this paper, a 3D numerical cement hydration model is used for predicting alkali and hydroxyl concentrations in cement pore water. First, this numerical model is calibrated for Dutch cement employing both chemical shrinkage and calorimetric experiments. Secondly, the strength development of some standard mortars as predicted by the model is found to be in good agreement with performed experiments. Subsequently, alkali release and sorption, as well as the Ca(OH)2 equilibrium are incorporated in the model. Finally, this extended hydration model is used to predict the pH development in cement pore water, which is found to correspond well with experiments reported in the literature.
Original languageEnglish
Pages (from-to)1801-1806
Number of pages6
JournalCement and Concrete Research
Volume30
Issue number11
DOIs
Publication statusPublished - 2000

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