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Influence of Crumb Rubber on Frost Resistance of Concrete and Effect Mechanism

By Xiaobin Zhu, Changwen Miao, Jiaping Liu and Jinxiang Hong

Abstract

AbstractTo provide the relationship between the freeze-thaw resistance of concrete and addition of crumb rubber, the effect of particles size, volume of crumb rubber on the freeze-thaw resistance of concrete was experimentally studied. The results show that the effect of particles size and the volume of crumb rubber on the freeze-thaw resistance of concrete are significant, apart from the air content of concrete. Excessively thick or excessively fine crumb rubber is not favorable for the freeze-thaw resistance of concrete. In addition, the excessive dosage of crumb rubber is also bad for the freeze-thaw resistance of concrete. Water swelling is one of the reasons for freezing and thawing failure of crumb rubber concrete in comparison to normal concrete

Publisher: Published by Elsevier Ltd.
Year: 2012
DOI identifier: 10.1016/j.proeng.2011.12.445
OAI identifier:

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