Influence of Glass Powder on Hydration Kinetics of Composite Cementitious Materials

被引:6
|
作者
Chang, Xiaolin [1 ]
Yang, Xinping [1 ]
Zhou, Wei [1 ]
Xie, Guoshuai [1 ,2 ]
Liu, Shuhua [1 ]
机构
[1] Wuhan Univ, State Key Lab Water Resources & Hydropower Engn S, Wuhan 430072, Peoples R China
[2] Power China Huadong Engn Corp, Hangzhou 310014, Zhejiang, Peoples R China
基金
中国国家自然科学基金;
关键词
WASTE GLASS; CURING TEMPERATURE; CRUSHED GLASS; CONCRETE; DURABILITY;
D O I
10.1155/2015/713415
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The influence of glass powder (GP) on hydration kinetics of composite cementitious materials has been investigated by isothermal calorimetry test and hydration kinetics methods in this paper. The hydration heat emission rate and hydration heat decrease gradually while the induction and acceleration period increase with the increase of GP content. According to Krstulovic-Dabic model, the hydration process of composite cementitious materials containing GP is controlled by a variety of complicated reaction mechanisms, which can be divided into three periods: nucleation and crystal growth (NG), phase boundary reaction (I), and diffusion (D). The NG and I process are shortened after incorporating GP.
引用
收藏
页数:7
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