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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: Site Investigation of Reinforcement Placement on Buildings and Bridges
Author(s): Marton Marosszeky and Michael Chew
Publication: Concrete International
Appears on pages(s): 59-70
Keywords: bridges (structures); buildings; concrete durability; corrosion; cover; placing; quality control; reinforcing steels; spalling; Construction
Abstract:After determining that most durability failures are a result of inadequate concrete cover to reinforcement, cover was measured on 16 projects during construction. Of more than 10,000 readings, the cover was found to be less than specified in 63 percent of the cases. A detailed study of the factors that influence tolerance in steel placement was then made on seven other sites. The influence of aspects of design, construction, manufacture, management, and site work were evaluated to obtain a better understanding of current practice. The project's goal was to provide information for realistically specifying tolerance in construction, and to provide clients, designers, and site managers with the information necessary to practice effective quality control.
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