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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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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 Curing and Type of Cement on the Resistance of Concrete to Freezing in Deicing Salt Solutions
Author(s): M. Gunter, Th. A. Bier, and H. K. Hilsdorf
Publication: Special Publication
Appears on pages(s): 877-900
Keywords: air entrainment; blast furnace slag; carbonation; cement pastes; cement types; concrete durability; curing; deicers; freeze-thaw durability; microstructure; portland slag cements; scaling; Materials Research
Abstract:Experimental studies on the resistance of concretes to freezing and thawing in a saturated sodium chloride solution are described. The concretes were made of various types of cement differing in content of blast furnace slag. They were cured in water for 1 to 48 days and subsequently stored in air with and without carbon dioxide. Also, the effect of curing, carbonation, and type of cement on the structure of hydrated cement pastes was studied by mercury intrusion porosimetry. The results indicated that for air-entrained portland cement concretes a comparatively short curing period is sufficient to obtain high durability. Prolonged storage in water may reduce durability. Carbonation may have a positive effect. For concretes made of blast furnace slag cements, the required curing time increases with increasing slag content. For cements with a high slag content, air entrainment did not result in improved resistance to freezing and thawing, and carbonation substantially reduced it. The observed behavior of concrete specimens can be interpreted in terms of microstructural changes of the hydrated cement pastes.
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