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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: Behavior of Reinforced Concrete Frames Subjected to Repeated Reversible Loads
Author(s): Vitelmo V. Bertero and George McClure
Publication: Journal Proceedings
Appears on pages(s): 1305-1330
Abstract:Five model frames were tested with the primary objective of determining if it would be possible to disregard the problem of alternating plasticity for the case of reinforced concrete frames. Two of the model frames were tested under proportional loading to apparent collapse to determine the instantaneous collapse load. Each of the other three frames were subjected to a large number of cycles of ultra severe alternating overloads, and then loaded to apparent collapse. The test conducted under repeated alternating overload-ings indicated that the bond strength around the critical sections, and the stiffness of the frames, were greatly reduced by repetition of the alternating overload cycles. However, the frames were not damaged so far as their ultimate strengths were concerned.
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