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Generalized Softened Variable Angle Truss Model for RC Hollow Beams under Torsion

C-MADE - Centre of Materials and Building Technologies, Department of Civil Engineering and Architecture, University of Beira Interior, 6201-001 Covilhã, Portugal
Materials 2019, 12(13), 2209; https://doi.org/10.3390/ma12132209
Received: 31 May 2019 / Revised: 4 July 2019 / Accepted: 5 July 2019 / Published: 9 July 2019
(This article belongs to the Special Issue Modeling of Cementitious Materials and Structures)

Abstract

In recent studies, a new softened truss model called Generalized Softened Variable Angle Truss Model (GSVATM) has been proposed to compute the full torsional response of reinforced concrete (RC) rectangular solid beams under pure torsion. In this article, the GSVATM is extended to cover RC hollow beams under torsion. The modification of the calculation procedure, in order to account for the specific behavior of RC hollow beams for low loading levels, as well as the final solution procedure, is presented. The theoretical predictions from the extended GSVATM are compared with experimental results of RC hollow beams under torsion found in the literature. Good agreement is observed between the experimental and theoretical results, for both high and low loading levels. View Full-Text
Keywords: RC Hollow Beams; torsion; STA; GSVATM RC Hollow Beams; torsion; STA; GSVATM
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Bernardo, L. Generalized Softened Variable Angle Truss Model for RC Hollow Beams under Torsion. Materials 2019, 12, 2209.

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