Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/5409
Title: Analysis-oriented stress-strain models for FRP-confined concrete
Authors: Jiang, T
Teng, JG 
Keywords: FRP
Confinement
Concrete
Dilation properties
Stress–strain behaviour
Stress–strain models
Issue Date: Nov-2007
Publisher: Pergamon Press
Source: Engineering structures, Nov. 2007, v. 29, no. 11, p. 2968-2986 How to cite?
Journal: Engineering structures 
Abstract: Many stress-strain models have been developed for fibre-reinforced polymer (FRP)-confined concrete. These models fall into two categories: (a) design-oriented models in simple closed-form expressions for direct use in design; and (b) analysis-oriented models in which the stress-strain curve is generated via an incremental process. This paper is concerned with analysis-oriented models, and in particular, those models based on the commonly accepted approach in which a model for actively-confined concrete is used as the base model. The paper first provides a critical review and assessment of existing analysis-oriented models for FRP-confined concrete. For this assessment, a database of 48 recent tests conducted by the authors' group is presented; this database includes 23 new tests which have not previously been published. This assessment clarifies how each of the key elements forming such a model affects its accuracy and identifies a recent model proposed by the authors' group as being the most accurate. The paper then presents a refined version of this model, which provides more accurate predictions of the stress-strain behaviour, particularly for weakly-confined concrete.
URI: http://hdl.handle.net/10397/5409
ISSN: 0141-0296
EISSN: 1873-7323
DOI: 10.1016/j.engstruct.2007.01.010
Rights: © 2007 Elsevier Ltd. All rights reserved.
NOTICE: this is the author’s version of a work that was accepted for publication in Engineering Structures. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Engineering Structures, vol. 29, no. 11 (Nov 2007), DOI: 10.1016/j.engstruct.2007.01.010
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