• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 28 Issue 3
Jun.  2015
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Article Contents
PAN Yi, WAN Li, WU Xiaofei. Analysis-Oriented Stress-Strain Model of CFRP Confined Concrete with Preload[J]. Journal of Southwest Jiaotong University, 2015, 28(3): 461-465. doi: 10.3969/j.issn.0258-2724.2015.03.012
Citation: PAN Yi, WAN Li, WU Xiaofei. Analysis-Oriented Stress-Strain Model of CFRP Confined Concrete with Preload[J]. Journal of Southwest Jiaotong University, 2015, 28(3): 461-465. doi: 10.3969/j.issn.0258-2724.2015.03.012

Analysis-Oriented Stress-Strain Model of CFRP Confined Concrete with Preload

doi: 10.3969/j.issn.0258-2724.2015.03.012
  • Received Date: 30 Apr 2014
  • Publish Date: 25 Jun 2015
  • In order to investigate the effect of preload ratio on the peak stress and peak strain of FRP (fiber reinforced plastics) confined concrete columns, based on the experimental analyses of 32 CFRP (carbon FRP) confined concrete circular columns and 16 CFRP confined square concrete columns, a preload factor was considered to modify the J G Teng's formulas of peak stress and peak strain of CFRP confined concrete column. Based on the above the axial-lateral strain relationship of CFRP confined concrete was analyzed, and an analysis-oriented stress-strain model was set up by considering the effect of preload and taking the constitutive model purposed by J G Teng as an active confined relation. The research results show that the stress-strain relationship is consistent with the experimental result, and modified peak stress and peak strain agree well with the test results, and the error margins for the circular column specimens and square column specimens are about 10% and 15%, respectively.

     

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  • TOGAY J C, THOMAS V. FRP-confined concrete in circular sections: review and assessment of stress-strain models
    [J]. Engineering Structures, 2013, 49(4):1068-1088.
    SAMAAN M, MIRMIRAN A, SHAHAWY M. Model of concrete confined by fiber composites
    MIRMIRAN A, SHAHAWY M. Dilation characteristics of confined concrete
    SPOELSTRA M R, MONTI G. FRP-confined concrete model
    [J]. Journal of Structure Engineering, 1998, 124(9): 1025-1031.
    FAM A Z, RIZKALLA S H. Confinement model for axially loaded concrete confined by circular fiber-reinforced polymer tubes
    [J]. Mechanics of Cohesive-Frictional Materials, 1997, 2(3): 237-249.
    MANDER J B, PRIESTLEY M J, PARK R. Theoretical stress-strain model for confined concrete
    王震宇,王代玉,吕大刚. FRP约束混凝土圆柱应力-应变分析模型
    [J]. Journal of Composites for Construction, 1999, 3(3): 143-150.
    JIANG T, TENG J G. Analysis-oriented stress strain models for FRP-confined concrete
    TENG J G, HUANG Y L, LAM L, et al. Theoretical model for fiber reinforced polymer-confined concrete
    曹双寅,潘毅,敬登虎,等. 负载下碳纤维布约束混凝土圆柱应力-应变关系的试验研究与分析
    [J]. ACI Structural Journal, 2001, 98(4): 451-461.
    潘毅,曹双寅,敬登虎,等. 负载下碳纤维布约束混凝土方柱应力-应变关系的试验研究与分析
    ROCHETTE P, LABOSSIERE P. Axial testing of rectan-gular column models confined with composites
    [J]. Structure Engineering, 1988, 114(8): 1804-1826.
    YANG X, WEI J, NANNI A. Shape effect on the performance of carbon fiber reinforced polymer wraps
    吴刚,吕志涛. 纤维增强复合材料(FRP)约束混凝土矩形柱应力-应变关系的研究
    [J]. 哈尔滨工业大学学报,2010, 42(2): 200-206. WANG Zhenyu, WANG Daiyu, LV Dagang. Stress-strain analytical model for FRP-confined concrete circular column
    [J]. Journal of Harbin Institute of Technology, 2010, 42(2): 200-206.
    SAMDANI S. Analytical study of FRP-confined concrete columns
    [J]. Structure Engineering, 2007, 29(11): 2968-2986.
    [J]. Journal of Composites for Construction, 2007, 11(2): 201-210.
    [J]. 东南大学学报,2008,30(2): 788-793. CAO Shuangyin, PAN Yi, JING Denghu, et al. Experimental research on axially loaded circular concrete columns confined by CFRP under preload
    [J]. Journal of Southeast University, 2008, 30(2): 788-793.
    [J]. 土木工程学报,2009,42(1): 23-29. PAN Yi, CAO Shuangyin, JING Denghu, et al. Test and analysis of the axial stress-strain relationship of square-section concrete columns confined by CFRP under preload
    [J]. China Civil Engineering Journal, 2009, 42(1): 23-29.
    [J]. Journal of Composites for Construction, 2000, 4(3): 129-136.
    [J]. Journal of Composites for Construction, 2004, 8(5): 444-451.
    [J]. 建筑结构学报,2004,25(3): 99 -106. WU Gang, LV Zhitao. Study on the stress-strain relationship of FRP-confined concrete rectangular columns
    [J]. Journal of Building Structures, 2004, 25(3): 99-106.
    [D]. Toronto: University of Toronto, 2003.
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