Shrinkage performance of Crumb Rubber Concrete (CRC) prepared by water-soaking treatment method for rigid pavements

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Journal Article
Cement and Concrete Composites, 2015, 62 pp. 106 - 116
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© 2015 Elsevier Ltd. All rights reserved. This investigation deals with the shrinkage properties of rubberised concrete pavement. Arrays of concrete samples were prepared with different water-cement ratios and rubber content. The experimental results revealed that the introduction of rubber into concrete mixes results in the control of shrinkage cracks if the optimised content of rubber is selected. Accordingly, the optimised rubber content was determined based on the mix characteristics, mechanical properties and the results of plastic and drying shrinkage tests. The mechanical strength, toughness, bleeding, plastic shrinkage and drying shrinkage tests were conducted in this experimental program. Analysing the results revealed that the most promising performance results were achieved for samples prepared with the rubber contents of 20% and 25% of fine aggregates, and water-cement ratios of 0.45 and 0.40, respectively.
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