Torsional Response of Reinforced Fibrous Concrete Beams

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Title: Torsional Response of Reinforced Fibrous Concrete Beams

Author(s): M. A. Mansur, S. Nagataki, S. H. Lee, and Y. Oosumimoto

Publication: Structural Journal

Volume: 86

Issue: 1

Appears on pages(s): 36-44

Keywords: beams (supports); bonding; crack width and spacing; ductility; fiber reinforced concretes; metal fibers; strains; structural analysis; tests; torsion; torsion tests; Structural Research

DOI: 10.14359/2627

Date: 1/1/1989

Abstract:
Torsion tests of six reinforced fibrous concrete beams with supplementary tests on fibrous concrete in direct tension and pullout tests on individual fiber are reported. The major parameters of the study were the volume fraction of fibers and percentage of bar reinforcement. The cracking behavior of beams and their complete torsional response were investigated. The softened truss model for conventional reinforced concrete beams has been modified, and torque-twist and torque-strain (both steel and concrete) curves were derived and compared with test results. In general, a good agreement is obtained.


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