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《Concrete》 2005-11
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Mineral admixtures affecting the performance of lightweight high strength concrete

PAN Hong-yuan,CHEN Bing(Civil Engineering Department,Shanghai Jiao Tong University,Shanghai 200240,China)  
The effects of mineral admixtures including fly ash(FA),blast-furnaced 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,both of them can affect the 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.
【CateGory Index】: TU528.2
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