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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: Effect of High Dosage of a Set Retarder on the Properties of Fresh and Hardened Concrete
Author(s): S. Nagataki and T. Takeuchi
Publication: Special Publication
Appears on pages(s): 719-742
Keywords: Compressive strength; retardants; setting (hardening); slump tests;
Abstract:The diversity of concreting methods in recent years has led to a demand for long retardation of concrete setting. Conventional research has achieved retardation for up to about 3 days by the addition of a set retarder, but few studies have dealt with concrete that is placable after a much longer period. This paper reports the effects of the set-retarder dosage and temperature on the slump, period of set retardation, time limits for superplasticizing and compressive strength of concrete. The use of concrete with long-retarded setting is discussed as well.
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