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High Reactivity Metakaolin (HRM): A New Generation Mineral Admixture for High Performance Concrete
Title: High Reactivity Metakaolin (HRM): A New Generation Mineral Admixture for High Performance Concrete
Author(s): Michael A. Caldarone, Karen A. Gruber, and Ronald G. Burg
Publication: Concrete International
Volume: 16
Issue: 11
Date: November 1, 1994
ABSTRACT
An extensive study of the improvement in concrete performance associated with the addition of high reactivity metakaolin (HRM), a mineral admixture, was performed. The testing study focused on "realcrete," produced in a ready-mix batch plant as opposed to a controlled laboratory study. HRM performs similarly to silica fume, and HRM required less high-range water reducer which seemed to improve the texture of the fresh concrete.
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