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Relationships between Strength and Microstructure for Cement-Based Materials: an Overview

Published online by Cambridge University Press:  22 February 2011

Sidney Mindess*
Affiliation:
University of British Columbia, Department of Civil Engineering, 2324 Main Mall, Vancouver, British Columbia, V6T 1W5, Canada
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Abstract

The mechanical properties of cement-based materials must be controlled by the microstructure, pore geometry and chemical composition of the cement, by the properties of the aggregate, and by the nature of the cement-aggregate bond. While the precise form of the strength vs. microstructure relationship is as yet only imperfectly understood, enough is known to permit us to predict what alterations in the microstructure are required for the production of materials with very high strengths. There are also techniques available for reducing the brittleness that is often a characteristic of high-strength materials. The present paper presents an overview of the strength vs. microstructure relationships that can be used to predict the properties of high strength cement-based materials, and a brief review of some of the methods for achieving high strengths.

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Type
Research Article
Copyright
Copyright © Materials Research Society 1985

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