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HB-FRP加固混凝土结构的粘结滑移统一模型

张峰 徐向锋 李术才

张峰, 徐向锋, 李术才. HB-FRP加固混凝土结构的粘结滑移统一模型[J]. 应用数学和力学, 2015, 36(12): 1294-1305. doi: 10.3879/j.issn.1000-0887.2015.12.008
引用本文: 张峰, 徐向锋, 李术才. HB-FRP加固混凝土结构的粘结滑移统一模型[J]. 应用数学和力学, 2015, 36(12): 1294-1305. doi: 10.3879/j.issn.1000-0887.2015.12.008
ZHANG Feng, XU Xiang-feng, LI Shu-cai. A Unified Bond-Slip Model for HB-FRP Strengthened Concrete Structures[J]. Applied Mathematics and Mechanics, 2015, 36(12): 1294-1305. doi: 10.3879/j.issn.1000-0887.2015.12.008
Citation: ZHANG Feng, XU Xiang-feng, LI Shu-cai. A Unified Bond-Slip Model for HB-FRP Strengthened Concrete Structures[J]. Applied Mathematics and Mechanics, 2015, 36(12): 1294-1305. doi: 10.3879/j.issn.1000-0887.2015.12.008

HB-FRP加固混凝土结构的粘结滑移统一模型

doi: 10.3879/j.issn.1000-0887.2015.12.008
基金项目: 国家自然科学基金青年科学基金(51108249)
详细信息
    作者简介:

    张峰(1978—),男,江苏泰州人,副教授,博士,硕士生导师(通讯作者. E-mail: zhangfeng2008@shu.edu.cn).

  • 中图分类号: TU375.02

A Unified Bond-Slip Model for HB-FRP Strengthened Concrete Structures

Funds: The National Science Fund for Young Scholars of China(51108249)
  • 摘要: 为了进一步简化HB-FRP(hybrid bonding FRP)加固技术的粘结滑移模型, 并基于先期研究的HB-FRP粘结滑移分区模型开展研究.在假定HB-FRP加固技术的粘结滑移统一模型表达式的基础上,推导了钢扣件部位的粘结应力分布系数.将HB-FRP加固作用分为普通FRP粘结性能和钢扣件产生的粘结性能两部分,依据能量方法,推导了FRP张拉力与滑移量的表达式.基于理论分析和数值求解,研究了界面滑移量的分布特征.基于模型试验测试结果,研究了粘结滑移统一模型中的待定系数表达式.研究结果表明:建立的HB-FRP加固混凝土结构的粘结滑移统一模型能有效预测加固界面的剥离承载力及有效粘结长度.
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出版历程
  • 收稿日期:  2015-03-25
  • 修回日期:  2015-11-13
  • 刊出日期:  2015-12-15

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