JARDJournal of Architectural Research and Development2208-35292208-3537Bio-Byword Scientific Publishing Pty. Ltd.10.26689/jard.v8i2.6337ArticleAnalysis and Prediction Model Reinforced UHPC Shrinkage Propertyhttps://artdesignp.com/journal/JARD/8/2/10.26689/jard.v8i2.6337DengShuwen,HuangZhiming,ChenHao,HuJia2024822024-03-27This paper explores the shrinkage of reinforced UHPC under high-temperature steam curing and natural curing conditions. The results are compared with the existing shrinkage prediction models. The results show that the maximum shrinkage strain of reinforced UHPC after steam curing is 164 με and gradually becomes zero. As for natural curing, the maximum shrinkage strain is 173 με and the value stabilizes on the 10th day after pouring. This indicated that steam curing can significantly reduce shrinkage time. Compared with the plain UHPC tested in the previous literature, the structural reinforcement can significantly inhibit the UHPC shrinkage and greatly reduce the risk of cracking due to shrinkage. By comparing the results in this paper with the existing models for predicting the shrinkage strain development, it is found that the formula recommended in the French UHPC structural and technical specification is suitable for the shrinkage curve in the present paper.

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