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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: Mixture Proportioning for Internal Curing
Author(s): Dale P. Bentz, Pietro Lura, and John W. Roberts
Publication: Concrete International
Appears on pages(s): 35-40
Keywords: autogenous; hydration; strength development; shrinkage
Abstract:In terminology currently being considered by ACI Committee 308, Curing Concrete, “internal curing refers to the process by which the hydration of cement occurs because of the availability of additional internal water that is not part of the mixing water.” The additional internal water is typically supplied by using relatively small amounts of saturated lightweight fine aggregates (LWA) or superabsorbent polymer (SAP) particles in the concrete. Benefits of internal curing include increased hydration and strength development, reduced autogenous shrinkage and cracking, reduced permeability, and increased durability.
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