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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: Bond in Reinforced Concrete: Behavior and Design Criteria
Author(s): Emory L. Kemp
Publication: Journal Proceedings
Appears on pages(s): 50-57
Keywords: beams (supports); bond (concrete to reinforcement); bond stress; cracking (fracturing); deformed reinforcement; dowels; embedment; reinforced concrete; reinforcing steels; shear properties; tensile stress; structural design.
Abstract:The primary objective of a long-term research program at West Virginia University was developing design criteria for bond in reinforced concrete for both the ultimate- and service-load conditions. These design criteria have been based on a comprehensive experimental research plan that included a study of the influence of reinforcing bar embedment length and spacing, stirrups, concrete cover and associated concrete strength, and the interaction of shear and flexure on bond behavior. The project used a new cantilever, or stub beam, specimen that is thought to be a considerable improvement on the conventional pullout specimen. A design equation suitable for ultimate load design has been developed. In addition, cracking loads have been considered as a separate limit state.
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