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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: Predicting Chloride Testing Outcome of Different Cementitious Systems
Author(s): Naga Pavan Vaddey, Mahmoud Shakouri, and David Trejo
Publication: Materials Journal
Appears on pages(s): 139-151
Keywords: acid-soluble chloride; water-soluble chloride; water to acidsoluble chloride ratio
Abstract:The American Concrete Institute (ACI) specifies allowable admixed chloride limit (Climit) values to minimize the corrosion risk of steel reinforcement in concrete. The chloride concentration of concrete for new construction must not exceed this Climit value. While most ACI documents require the ASTM C1218 (watersoluble) test standard to measure chlorides, some documents allow the ASTM C1152 (acid-soluble) test standard. ACI documents that require ASTM C1218 report the same Climit value for different cementitious systems. Different cementitious systems, with similar chloride concentrations, could have different ASTM C1218 test outcomes due to differences in chloride binding capacities. This paper develops models to predict ASTM C1218 test outcomes. These models can assist in choosing appropriate concrete mixtures that can meet ACI Climit values. This paper also reports models to predict the ratio of ASTM C1218 and ASTM C1152 test outcomes to better correlate Climit values in ACI 222R, which allows both test methods.
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