Research Article
Aug 1981
Lap Splices in Reinforced Concrete under Impact
Publication: Journal of the Structural Division
Volume 107, Issue 8
Abstract
The performance of lap splices subjected to impact loading was studied and compared with that of splices under static loading. Nineteen specimens were tested under impact loading, with failure produced in either one impact, in the three to five impacts of incrementally increasing magnitude, or under either unidirectional or reversed cycling of the impact load. Analytical studies were carried out to help evaluate the experimental data. The impact moment capacity of the splices tested was equal to or greater than the static moment capacity. The splice strength achieved under impact could be computed using material strengths adjusted for the strain rate imposed. Under large impact loads (producing high strain rates), the moment capacity of the splice region can greatly exceed the static moment capacity, but failure occurs after only a few load applications. With smaller impacts loads, more cycles of load were carried before failure.
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Published In
Journal of the Structural Division
Volume 107 • Issue 8 • August 1981
Pages: 1611 - 1628
Copyright
© 1981 American Society of Civil Engineers.
History
Published in print: Aug 1981
Published online: Feb 1, 2021
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Authors
Affiliations
Telvin Rezansoff
Assoc. Prof., Dept. of Civ. Engrg., Univ. of Saskatchewan, Saskatoon, Saskatchewan, Canada S7N OWO
James O. Jirsa, M.ASCE
Prof., Dept. of Civ. Engrg., Univ. of Texas, Austin, Tex
John E. Breen, F.ASCE
The J.J. McKetta Prof., Dept. of Civ. Engrg., Univ. of Texas, Austin, Tex
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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.