Experimental Analysis on Bonding Behavior of Hybrid-Bonding of FRP

ZHANG Feng; NIU Ping-xia; LI Shu-chen; SUN Qin-yan

doi:10.11835/j.issn.1674-4764.2010.06.003

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Experimental Analysis on Bonding Behavior of Hybrid-Bonding of FRP

更新时间：2023-11-28

- Experimental Analysis on Bonding Behavior of Hybrid-Bonding of FRP
- Journal of Civil and Environmental Engineering Vol. 32, Issue 6, Pages: 7-13(2010)
- 作者机构：
  
  1. 山东大学岩土与结构工程研究中心,济南,250061
  2. 华北水利水电学院土木与交通学院,郑州,450011
- 作者简介：
- 基金信息：
- DOI：10.11835/j.issn.1674-4764.2010.06.003
  CLC：
- Published：2010
- 稿件说明：
移动端阅览
ZHANG Feng, NIU Ping-xia, LI Shu-chen, et al. Experimental Analysis on Bonding Behavior of Hybrid-Bonding of FRP[J]. Journal of Civil and Environmental Engineering, 2010, 32(6): 7-13.
DOI：

ZHANG Feng, NIU Ping-xia, LI Shu-chen, et al. Experimental Analysis on Bonding Behavior of Hybrid-Bonding of FRP[J]. Journal of Civil and Environmental Engineering, 2010, 32(6): 7-13. DOI： 10.11835/j.issn.1674-4764.2010.06.003.

摘要

通过对17根跨中留有预切缝的试验梁进行破坏性加载试验，研究了FRP-螺栓联合加固技术的粘结性能、锚固间距和合理锚固长度。结果表明，HB-FRP(FRP-锚钉联合加固技术)体系较EB-FRP(外贴FRP加固法)体系的延性、承载力、FRP的剥离应力等都有较大的提高。在试验数据及理论分析的基础上，提出了HB-FRP和EB-FRP中部裂缝引起的剥离强度计算公式以及较为合理的锚固间距估算公式，计算结果与试验结果吻合较好。所得结果可为联合加固的进一步研究及工程上的应用提供一定的依据。

Abstract

In order to study the bond behavior

anchorage space and reasonable anchorage length of hybrid-bonding of FRP

the destructive tests of 17 experiment beams which with mid-span pre-cutting fissures have been done. Compared with EB-FRP system

it is found that HB-FRP system is improved a lot in ductility

bearing capacity

FRP’s peeling stress and so on. The formulas for calculating HB-FRP and EB-FRP’s induced peeling strength by middle crack and a more reasonable estimation formula for anchorage space are presented based on the experimental data and theoretical analysis. Calculating results are coincided with experimental results

which can serve as a reference for further researches and engineering applications.

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