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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Study of the Mechanism Through Which Calcium Chloride Accelerates the Set of Portland Cement
Author(s): Arnold M. Rosenberg
Publication: Journal Proceedings
Appears on pages(s): 1261-1270
Abstract:A kinetic study of the reaction between calcium chlorid and portland cement was made. It was found that: (1) Althrough calcium chloride reacts with CA A, the reaction rate, particularly in the presence of gypsum, is too slow to account for the set acceleration; (2) CaCl2 definitely accelerates strength development in hydrating C I S but does not react chemically with the CI S; (3) Electron micrographic evidence suggests that CaC12 alters the shape of the hydration products formed when cement sets.
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