Research Article
Jun 1969
Reinforced Concrete Beams under Repeated Loads
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VIEW THE REPLYPublication: Journal of the Structural Division
Volume 95, Issue 6
Abstract
This paper describes the results of an experimental program of the effect of repeated loads on the rotation and load carrying capacity of reinforced concrete beams. Comparing results obtained under repeated loading with results obtained on similar specimens under single loading showed that neither the rotation nor the load carrying capacity of a reinforced concrete beam is affected by several cycles of near ultimate loading. Repeated loading always caused a relatively small increase in deformation that appears to be related to destruction of bond and to additional cracking at the level of the reinforcement, or to both. The rotation capacity of a plastic hinge was found to be greatly affected by variations in the concrete strength, by variations in the position of the compression steel, and by variations in the restraint provided by the stirrup to the compression bar.
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Published In
Journal of the Structural Division
Volume 95 • Issue 6 • June 1969
Pages: 1189 - 1211
Copyright
© 1969 American Society of Civil Engineers.
History
Published in print: Jun 1969
Published online: Feb 1, 2021
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Authors
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Walter M. Ruiz, AM.ASCE
Asst. Prof., Univ. of Puerto Rico, Mayaguez, P.R.; formerly Research Asst., Dept. of Structural Engrg., Cornell Univ., Ithaca, N.Y.
George Winter, F.ASCE
1912 Prof. of Engrg. and Chairman, Dept. of Structural Engrg., Cornell Univ., Ithaca, N.Y.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.