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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: Resistance of Fly Ash and Natural Pozzolans Blended Cement Mortars and Concrete to Carbonation, Sulfate Attack and Chloride Ion Penetration
Author(s): K. K. Sideris and A. E. Savva
Publication: Special Publication
Appears on pages(s): 275-294
Keywords: blended cements; carbonation; chloride resistance; fly
ash; normal portland cement; pozzolans; sulfate resistance
Abstract:The durability of five mortar and concrete mixtures was investigated in this study. A normal portland cement and four blended cements incorporating different pozzolanic materials, two natural pozzolanas and two lignite fly ashes, were used. The properties measured were compressive strength development, sulfate and chloride resistance as well as the carbonation depth. The results available until the age of 1.5 years show that the replacement of normal portland cement by a pozzolanic material usually has beneficial effects on cement’s durability, especially when the sulfate resistance of mixtures is of primary interest. The carbonation depth of the pozzolanic mixtures was greater than the control’s at all ages up to 1.5 years. Among the four pozzolanic materials examined, the treated lignite fly ash from Ptolemaida gave the best performance in all the tests.
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