Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 22, Issue 4, Pages 655-659Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2006.10.006
Keywords
FA; BS; SF; lightweight concrete
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The effects of mineral admixtures including fly ash (FA), blast furnace slag (BS) and silica fume (SF) on workable high strength lightweight concrete were investigated. The results showed that both BS and SF can effectively improve the bonding of the mixtures, and then improve the concrete strength at both early and late age; however, there is a tradeoff of workability of the mixtures. FA can greatly improve the workability of the mixture; however, associated bleeding deteriorates the homogeneity of the mixture. Combining FA and BS provides the optimum HSLC with good workability and strength. (c) 2006 Elsevier Ltd. All rights reserved.
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