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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: Effect of Common Surface Pretreatments on Shear Strength of Bonded Concrete Overlays
Author(s): Andrew S. Pultorak and Frederick R. Rutz
Publication: Concrete International
Appears on pages(s): 55-60
Keywords: bond, substrate, bonding agent, moisture
Abstract:Concrete repairs frequently involve placing a new concrete surface (overlay) on existing concrete (substrate). In this study, pull-off, direct shear, and jacking tests were used to evaluate the bond of overlays applied to mechanically roughened and cleaned substrates. Test parameters included substrate moisture condition and the use of cement slurry bonding agent.
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