A laboratory study for full cement replacement by fly ash and silica fume

被引：7
|
作者：
Sadique, Monower [1 ]
Al-Nageim, Hassan [1 ]
Atherton, William [1 ]
Seton, Linda
Dempster, Nicola
机构：
[1] Liverpool John Moores Univ, Sch Built Environm, Liverpool L3 5UX, Merseyside, England
来源：
MAGAZINE OF CONCRETE RESEARCH | 2012年 / 64卷 / 12期
关键词：
BLAST-FURNACE SLAG; BLENDED CEMENTS; MECHANICAL ACTIVATION; HYDRATION; PERFORMANCE; RESISTANCE; CONCRETE; BINDERS; PASTES;
D O I：
10.1680/macr.12.00025
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
A new cementitious material was developed through a laboratory study using waste fly ashes and silica fume. The applied mechano-chemical activation by gypsum-aided grinding was found to modify the physical and rheological properties of fly ashes. The ternary blending of fly ashes and silica fume was found to achieve a synergistic oxide component and the intra constituent sensitivity within the blend was also revealed. The progressive formation of hydration products within the blend was identified and their microstructural characteristics were analysed.
引用
收藏
页码：1135 / 1142
页数：8
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