Article ID Journal Published Year Pages File Type
268436 Engineering Structures 2009 12 Pages PDF
Abstract

Torsion tests on high strength concrete hollow beams have revealed some ductile behavior. However, this ductile behavior only occurs for a narrow interval of the torsional reinforcement ratio. Tests have shown that a torsion plastic hinge can be formed. Furthermore, this torsion plastic hinge is concentrated in a small length of the longitudinal axis of the beams. In this paper, the authors show that plastic models are possible for beams under torsion. A torsion plastic hinge at the failure cross section can be assumed. This paper also shows that torsional ductility becomes more difficult as the concrete strength increases.

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Physical Sciences and Engineering Earth and Planetary Sciences Geotechnical Engineering and Engineering Geology
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