Effect of waterglass on water stability of potassium magnesium phosphate cement paste

被引：97
|
作者：
Shi, Caijun [1 ]
Yang, Jianming [2 ]
Yang, Nan [1 ]
Chang, Yuan [1 ]
机构：
[1] Hunan Univ, Coll Civil Engn, Changsha 410082, Hunan, Peoples R China
[2] Yancheng Inst Technol, Coll Civil Engn, Yancheng 224051, Peoples R China
来源：
CEMENT & CONCRETE COMPOSITES | 2014年 / 53卷
关键词：
Potassium and magnesium phosphate cement (MKPC); Waterglass; Water stability; Microstructure; RAPID REPAIR; CONCRETE; BINDER;
D O I：
10.1016/j.cemconcomp.2014.03.012
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This paper studied the influence of waterglass on the early water stability of potassium magnesium phosphate cement (MKPC). Mass loss and residual strength were used to reflect the water stability of MKPC pastes exposed to different curing conditions. Experimental results indicated that the addition of waterglass could accelerate early hydration of MKPC, reduce the crystallinity of hydration products, and improved the pore structures significantly. The early water stability of MKPC was greatly improved due to the significant decreased dissolution of hydration products and pore volume of hardened MKPC. (c) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：83 / 87
页数：5
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