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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: Evaluation of Residual Strength of Reinforced Concrete Members Subjected to Reversed Cyclic Torsion
Author(s): N. Kawaguchi, H. Kuga, and T. Yoda
Publication: Special Publication
Appears on pages(s): 415-434
Keywords: closed joint; lapped joint; residual strength; reversed cyclic torsion; torsional rigidity
Abstract:The study is aimed at obtaining basic data for evaluating the residual strength and deformability of damaged reinforced concrete members. The behavior of membqs that suffered damage during cyclic loading such as cracking that penetrate into the cross section, plastic deformation or partial failure was compared with that of member tested under simple torsion. Reversed cyclic torsion was applied for loading because few studies have been reported in open literature although it has been estimated to cause the most bride failure. Tests and analyses identified the effect of reversed cyclic torsion with varying numbers of cycles and with varying amplitudes had on the reduction of residual strength and torsional rigidity. It was .also confirmed that a closed joint that encircles longitudinal reinforcement at the ends of transverse reinforcement was stronger and more resistant to deformatioQ than a lapped joint.
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