Numerical evaluation of the behaviour of steel- and FRP-confined concrete columns using compression field modelling

被引:41
作者
Montoya, E [1 ]
Vecchio, FJ [1 ]
Sheikh, SA [1 ]
机构
[1] Univ Toronto, Dept Civil Engn, Toronto, ON M5S 1A4, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
confined concrete; nonlinear analysis; compression field modelling; finite elements;
D O I
10.1016/j.engstruct.2004.05.009
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
New constitutive models for confined concrete were formulated and implemented into in-house nonlinear finite element programs at the University of Toronto. A program for analysis of axisymmetric solids was specifically developed for this work. The confinement models proposed follow a compression field modelling approach that combines nonlinear elasticity and plasticity-type modelling. In this paper, the formulations are corroborated by examining the behaviour of reinforced concrete columns confined with fibre reinforced polymers (FRP), steel, or a combination of both. The analytical responses agree well with the experimental results, showing the capabilities of the models to reasonably model pre- and post-peak behaviour, and strength enhancement. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1535 / 1545
页数:11
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