期刊
CONSTRUCTION AND BUILDING MATERIALS
卷 23, 期 5, 页码 1828-1836出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2008.09.020
关键词
Tyre rubber; Crumb rubber; Shredded rubber; Rubber aggregates; Tyre-rubber powder; Rubber-containing concrete; Rubber concrete; Concrete durability
资金
- Building and Housing Research Centre of Iran
- Azad University of Tehran
In this research the performance of concrete mixtures incorporating 5%, 7.5% and 10% of discarded tyre rubber as aggregate and cement replacements was investigated. Numerous projects have been conducted on replacement of aggregates by crumb rubbers but scarce data are found on cementitious filler addition in the literature. Hence to examine characteristics of tyre crumb-containing concrete, two sets of concrete specimens were made. In the first set, different percentages by weight of chipped rubber were replaced for coarse aggregates and in the second set scrap-tyre powder was replaced for cement. Selected standard durability and mechanical test were performed and the results were analysed. The mechanical tests included compressive strength, tensile strength, flexural strength and modulus of elasticity. The durability tests included permeability and water absorption. The results showed that with up to 5% replacement, in each set, no major changes on concrete characteristics would occur, however, with further increase in replacement ratios considerable changes were observed. (c) 2008 Elsevier Ltd. All rights reserved.
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