Influence of particle size distribution of fine and micro-aggregate on the microstructure of cement mortar and paste

被引：8
|
作者：
Yang, H. S. [1 ]
Che, Y. J. [2 ]
机构：
[1] Wuhan Univ, State Key Lab Water Resources & Hydropower Engn S, Wuhan 430072, Peoples R China
[2] Wuhan Univ, Sch Civil Engn, Wuhan 430072, Peoples R China
来源：
MATERIALS RESEARCH INNOVATIONS | 2015年 / 19卷
关键词：
Particle size distribution; Fine aggregate; Micro-aggregate; Hydration products; CONCRETE; STRENGTH;
D O I：
10.1179/1432891715Z.0000000001388
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Particle size distribution of fine and micro-aggregate is known to strongly influence the microstructure of cement mortar and paste. In this study, three granular fractions of fine aggregate and two granular fractions of micro-aggregate were combined in different proportions in order to investigate the influence of the particle size distribution of fine and micro-aggregate on the microstructure of cement mortar and paste. Strength testing was conducted at age of 28 and 90 days. The hydration products of cement mortar and paste were determined by X-ray diffraction and atomic force microscope techniques. It was found that the microstructure of cement mortar or paste could be related to the particle size distribution of fine and micro-aggregate.
引用
收藏
页码：S130 / S133
页数：4
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