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Rheological Properties of Cement Pastes: A Discussion of Structure Formation and Mechanical Property Development

Published

Author(s)

Gaurav Sant, Chiara C. Ferraris, Jason Weiss

Abstract

The objective of this paper is to examine the evolution of rheological properties (e.g. yield stress) and to evaluate the use of these properties as a way to monitor structure formation and mechanical property development in cementitious systems. The authors use the stress growth technique to assess the development of a solid structure in cement pastes. An increase in the yield strength of the system due to cement hydration is identified to occur near the end of the dormant period in cement hydration as identified by chemical shrinkage measurements. The transition from a fluid state to a solid state and the development of elastic properties in the material are both noted to occur prior to the time of initial set as identified by the Vicat needle.
Citation
Cement and Concrete Research
Volume
38

Keywords

chemical shrinkage, early-age, rheology, setting, vicat test, yield stress

Citation

Sant, G. , Ferraris, C. and Weiss, J. (2008), Rheological Properties of Cement Pastes: A Discussion of Structure Formation and Mechanical Property Development, Cement and Concrete Research, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=860723 (Accessed April 18, 2024)
Created November 10, 2008, Updated October 12, 2021