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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: Tests for Alkali-Aggregate Reaction
Author(s): Paulo Helene, Fernanda M. Pereira, and Pedro Castro
Publication: Concrete International
Appears on pages(s): 41-44
Keywords: alkali-aggregate reaction; nondestructive testing; petrography; repair; corrosion
Abstract:After 25 years in service, the Paulo Guerra Bridge in Recife, Brazil, showed significant deterioration. Alkali-aggregate reaction was determined to be the cause of the deterioration through visual inspection, nondestructive test methods, core sampling, and petrographic analysis. The results of these tests supported the selection of confinement as the repair method for the foundations.
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