Mechanisms of cement hydration

被引：1403
作者：
Bullard, Jeffrey W. [1 ]
Jennings, Hamlin M. [2 ]
Livingston, Richard A. [3 ]
Nonat, Andre [4 ]
Scherer, George W. [6 ]
Schweitzer, Jeffrey S. [5 ]
Scrivener, Karen L. [7 ]
Thomas, Jeffrey J. [8 ]
机构：
[1] Natl Inst Stand & Technol, Mat & Construct Res Div, Gaithersburg, MD 20899 USA
[2] MIT, Dept Civil & Environm Engn, Cambridge, MA 02139 USA
[3] Univ Maryland, Dept Mat Sci & Engn, College Pk, MD 20742 USA
[4] Univ Bourgogne, CNRS, UMR 5209, Lab Interdisciplinaire Carnot de Bourgogne ICB, Dijon, France
[5] Univ Connecticut, Dept Phys, Storrs, CT USA
[6] Princeton Univ, Dept Civil & Environm Engn, PRISM, Princeton, NJ 08544 USA
[7] Ecole Polytech Fed Lausanne, Inst Mat, Construct Mat Lab, Lausanne, Switzerland
[8] Schlumberger Doll Res Ctr, Cambridge, MA USA
来源：
CEMENT AND CONCRETE RESEARCH | 2011年 / 41卷 / 12期
基金：
美国国家科学基金会;
关键词：
Hydration; Kinetics; Microstructure; C-S-H; CALCIUM-SILICATE-HYDRATE; TRICALCIUM SILICATE; PORTLAND-CEMENT; INDUCTION PERIOD; INDIVIDUAL PARTICLES; MOLECULAR-DYNAMICS; NEUTRON-SCATTERING; DISSOLUTION; GROWTH;
D O I：
10.1016/j.cemconres.2010.09.011
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The current state of knowledge of cement hydration mechanisms is reviewed, including the origin of the period of slow reaction in alite and cement, the nature of the acceleration period, the role of calcium sulfate in modifying the reaction rate of tricalcium aluminate, the interactions of silicates and aluminates, and the kinetics of the deceleration period. In addition, several remaining controversies or gaps in understanding are identified, such as the nature and influence on kinetics of an early surface hydrate, the mechanistic origin of the beginning of the acceleration period, the manner in which microscopic growth processes lead to the characteristic morphologies of hydration products at larger length scales, and the role played by diffusion in the deceleration period. The review concludes with some perspectives on research needs for the future. Published by Elsevier Ltd.
引用
收藏
页码：1208 / 1223
页数：16
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