Abstract
Abstract: Based on the center-particles hydration dynamic model proposed by Park, a micro-structural hydration model of Portland cement that was built considering the decrease of the hydration rate due to the reduction of free water and the reduction of the interfacial area of contact between the free water and the hydration products. It can be used to predict the variation relationship of the hydration rate increases with the change of hydration degree. The results showed that: the revised model can simulate the variation curve of the cement hydration speed with hydration degree in this paper and the model results agree well with the experimental results.
Published Version
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