鲁国昌, 叶列平, 杨才千, 冯鹏. FRP管约束混凝土的轴压应力-应变关系研究[J]. 工程力学, 2006, 23(9): 98-103.
引用本文: 鲁国昌, 叶列平, 杨才千, 冯鹏. FRP管约束混凝土的轴压应力-应变关系研究[J]. 工程力学, 2006, 23(9): 98-103.
LU Guo-chang, YE Lie-ping, YANG Cai-qian, FENG Peng. RESEARCH ON STRESS-STRAIN RELATION OF CONCRETE CONFINED WITH FRP TUBES[J]. Engineering Mechanics, 2006, 23(9): 98-103.
Citation: LU Guo-chang, YE Lie-ping, YANG Cai-qian, FENG Peng. RESEARCH ON STRESS-STRAIN RELATION OF CONCRETE CONFINED WITH FRP TUBES[J]. Engineering Mechanics, 2006, 23(9): 98-103.

FRP管约束混凝土的轴压应力-应变关系研究

RESEARCH ON STRESS-STRAIN RELATION OF CONCRETE CONFINED WITH FRP TUBES

  • 摘要: 目前FRP约束混凝土轴压应力-应变关系大都只考虑FRP管环向受拉。针对FRP管约束混凝土的轴心受压性能进行分析,考虑其承受压力造成约束模量降低的影响,在现有约束混凝土模型的基础上,提出一种考虑FRP管在双向受力情况下的应力-应变关系分析模型,并与试验结果进行了分析对比,分析结果与试验结果吻合较好。还依据这一模型进行了参数研究。

     

    Abstract: Most stress-strain models of FRP-confined concrete under uniaxial loading only consider FRP in tension in the hoop direction.This paper presents a model which takes into account the reduction in confinement modulus of FRP tube under combined axial compression and lateral tension.The results of this model agree well with test results.A parametric study is presented based on the model in this paper.

     

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