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Title: Behavior of Reinforced Concrete Frames Subjected to Repeated Reversible Loads

Author(s): Vitelmo V. Bertero and George McClure

Publication: Journal Proceedings

Volume: 61

Issue: 10

Appears on pages(s): 1305-1330


Date: 10/1/1964

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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