Mechanisms of cement hydration

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.


Published in:
Cement and Concrete Research
Year:
2010
Keywords:
Note:
Cited By (since 1996): 3
Export Date: 1 June 2011
Source: Scopus
Article in Press
Other identifiers:
View record in Web of Science
Scopus: 2-s2.0-77958493452
Laboratories:




 Record created 2011-06-06, last modified 2018-12-03


Rate this document:

Rate this document:
1
2
3
 
(Not yet reviewed)