Experimental application of mineral admixtures in lightweight concrete with high strength and workability

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...

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Bibliographic Details
Published inConstruction & building materials Vol. 22; no. 6; pp. 1108 - 1113
Main Authors Chen, Bing, Liu, Juanyu
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.06.2008
Elsevier B.V
Subjects
Concrete
Influence
Lightweight concrete
Silicate minerals
Testing
United States
BS
SF
FA
Lightweight concrete
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Summary: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.
ISSN:0950-0618
1879-0526
DOI:10.1016/j.conbuildmat.2007.03.001