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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: Fatigue Failure Criterion for Deformed Bars Subjected to Large Deformation Reversals
Author(s): T. Higai, H. Nakamura, and S. Saito
Publication: Special Publication
Appears on pages(s): 37-54
Keywords: buckling; deformed bars; failure criteria; low-cycle fatigue; plastic strain
Abstract:After the Hanshin-Awaji earthquake, the volume of lateral reinforcement used in reinforced concrete structures in Japan was increased to improve seismic performance. Although a large volume of closely spaced lateral reinforcement will be effective in preventing elastic buckling of the longitudinal reinforcement, it will not prevent plastic buckling. Under severe earthquake loading, longitudinal reinforcement will be subjected to large reversed-cyclic deformation demands into the plastic regime in tension and the buckling regime in compression. The authors presented the results of low cycle fatigue testing of deformed bars and examination of failure criteria for these bars.
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