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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: Criteria for Selecting Mixtures Resistant to Physical Salt Attack
Author(s): Karthik H. Obla and Robert C. O’Neill
Publication: Special Publication
Appears on pages(s): 1-20
Keywords: physical salt attack, PSA, sulfate attack, specifications
Abstract:This paper presents the portion of a larger study and pertains to resistance of concrete to physical salt attack. The resistance of concrete to physical salt attack was evaluated by partially immersing concrete prisms in sulfate solution. The physical salt attack test results were correlated with results of rapid index test methods that provide an indication of the transport characteristics of concrete. Rapid index test methods included were the rapid chloride permeability, rapid migration, conductivity, absorption, and initial and secondary sorptivity. A set of tests and specification criteria that can reliably classify mixtures based on their resistance to physical salt attack are proposed. A new test procedure that can evaluate the resistance of concrete to physical salt attack within 50 days has also been developed.
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