Fresh properties of self-compacting cold bonded fly ash lightweight aggregate concrete with different mineral admixtures

被引：0
作者：
Erhan Güneyisi
Mehmet Gesoğlu
Emad Booya
机构：
[1] Gaziantep University,Department of Civil Engineering
[2] Salahaddin University,Department of Civil Engineering
来源：
Materials and Structures | 2012年 / 45卷
关键词：
Fly ash; Fresh properties; Self-compacting lightweight concrete; Silica fume; Statistical analysis;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This paper presents the results of an experimental study on the fresh properties of the self-compacting lightweight concretes made with cold bond fly ash (FA) lightweight aggregates. Binary and ternary use of FA and silica fume (SF) blends have been investigated in the production of self-compacting cold bonded FA lightweight aggregate concretes (SCLWCs). A total of 9 SCLWC mixtures were proportioned having constant water-binder ratio of 0.35 and the total binder content of 550 kg/m3. The control mixture contained only Portland cement (PC) as the binder while the remaining mixtures incorporated binary and ternary blends of PC, FA, and SF. After mixing, the fresh properties of the SCLWC were tested for T500 slump flow time, slump-flow diameter, V-funnel flow time and L-box height ratio. The fresh properties of SCLWCs with and without mineral admixtures were also evaluated by statistical technique, namely GLM-ANOVA. The results indicated that the combination use of FA and SF together decreased the slump flow time and V-funnel flow time. L-box height ratio, on the other hand, improved significantly.
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页码：1849 / 1859
页数：10
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