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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: Evaluation of Sulfate Resistance of Hydraulic-Cement Mortars by the ASTM C 1012 Test Method
Author(s): Terry Patzias
Publication: Special Publication
Appears on pages(s): 2103-2120
Keywords: acceptability; blended cements; expansion; fly ash; tests; mortars (material); portland cements; portland pozzolan cements; sulfate resisting cements; General
Abstract:With the adoption of the new test method ASTM C 1-12-84, "Standard Test Method for Length Change of Hydraulic-Cement Mortars Exposed to a Mixed Sodium and Magnesium Sulfate Solution," it is now possible to evaluate the performance of mortars made with portland cements, blended cements, and blends of portland cement with pozzolans or slags in producing a sulfate resisting cement mortar. This paper summarizes a laboratory research study parallel to the cooperative inter-laboratory testing program conducted by the ASTM Subcommittee on Sulfate Resistance (Col.29). The purpose of the study was to provide data needed to establish expansion limits for sulfate resistance. Twenty cements, including portland cements and blends of Type I cement with Class F fly ashes used for manufacture of Type IP cements, were used in the study. Data are presented showing the strength development of the companion mortar cubes and the expansions of the mortar bars measured at ages up to 1 year. From these data, acceptance limits on expansion were proposed for moderate and high sulfate resistance of hydraulic cements.
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