|本期目录/Table of Contents|

[1]梅葵花,王凤轩,孙胜江.纤维增强复合材料加固混凝土桥梁结构研究进展[J].建筑科学与工程学报,2024,41(01):31-51.[doi:10.19815/j.jace.2022.09044]
　MEI Kuihua,WANG Fengxuan,SUN Shengjiang.Research progress of fiber reinforced polymer in strengthening concrete bridge structure[J].Journal of Architecture and Civil Engineering,2024,41(01):31-51.[doi:10.19815/j.jace.2022.09044]
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纤维增强复合材料加固混凝土桥梁结构研究进展(PDF)
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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:
41卷
期数:
2024年01期
页码:
31-51
栏目:
综述
出版日期:
2024-01-20

文章信息/Info

Title:
Research progress of fiber reinforced polymer in strengthening concrete bridge structure
文章编号:
1673-2049(2024)01-0031-21
作者:
梅葵花1,王凤轩1,2,孙胜江1
(1. 长安大学 公路学院,陕西 西安 710064; 2. 山东省交通规划设计院集团有限公司,山东 济南 250101)
Author(s):
MEI Kuihua1, WANG Fengxuan1,2, SUN Shengjiang1
(1. School of Highway, Chang'an University, Xi'an 710064, Shaanxi, China; 2. Shandong Provincial Communications Planning and Design Institute Group Co., Ltd., Jinan 250101, Shandong, China)
关键词:
桥梁工程;  FRP加固;  混凝土结构;  加固方式;  设计理论;  综述
Keywords:
bridge engineering;  FRP reinforcement;  concrete structure;  reinforcement method;  design theory;  review
分类号:
U445.7
DOI:
10.19815/j.jace.2022.09044
文献标志码:
A
摘要:
为总结纤维增强复合材料(FRP)在混凝土桥梁加固中的研究成果,拓宽FRP加固桥梁的思路,推动其在桥梁加固领域的广泛应用,阐述了FRP加固方法的发展及其特点,系统梳理了FRP加固方法在混凝土桥梁的研究进展。根据加固机理的不同,从抗弯加固、抗剪加固、抗压加固三方面加以归纳总结,介绍了几种常见的FRP加固方式、影响因素、破坏模式及其设计理论; 分析了当前研究的不足,由此提出了一些可以继续深入研究的问题。结果表明:目前研究较多的有外贴FRP法、预应力FRP技术、表层嵌入法、FRP网格加固技术,其在不同的设计参数和使用条件下呈现出不同的破坏模式; 外贴FRP片材容易过早发生剥离破坏,可以通过一些锚固措施提升界面黏结性,其中HB-FRP加固技术的锚固效果最好; 预应力FRP加固技术因具有较高的材料强度利用率而展现出良好的应用前景; 后续应深入研究FRP加固设计理论,综合考虑各参数对加固结构性能的影响,建立统一可靠且实用的计算模型; 应进一步研究既有混凝土加固结构在多因素耦合作用下的长期性能和耐久性能,完善FRP加固混凝土桥梁设计方法和规范体系。
Abstract:
In order to summarize the research results of fiber reinforced polymer(FRP)in concrete bridge reinforcement, broaden the ideas of FRP strengthening bridges in China and promote its wide application in the field of concrete bridge reinforcement, the development and characteristics of FRP reinforcement methods were explained. The research progress of FRP reinforcement methods in concrete bridges was systematically combed. According to the different reinforcement mechanisms, flexural reinforcement, shear reinforcement and compressive reinforcement were summarized. Several common FRP strengthening methods, influencing factors, failure modes and their design theories were introduced. The key problems of impact resistance, fire resistance, time-varying performance and durability in FRP reinforcement were discussed in detail. The shortcomings of the existing studies were analyzed, some problems and ideas that can be further studied were put forward. The results show that the externally bonded FRP method, prestressed FRP technology, surface embedded method, FRP grid reinforcement and other technologies have been studied more, which show different failure modes under different design parameters and service conditions. Externally bonded FRP sheets are prone to premature peeling failure. Some anchoring measures can be taken to improve the interfacial adhesion, among which HB-FRP reinforcement technology has the best anchoring effect. The prestressed FRP reinforcement technology has a good application prospect because of its high material strength utilization rate. In the follow-up, the design theory of FRP reinforcement should be deeply studied, and the influence of various parameters on the performance of the reinforced structure should be comprehensively considered to establish a unified, reliable and practical design and calculation model. Further study should be done on the long-term performance and durability of the existing reinforced concrete structure under the multi factor coupling action, and the design method and specification of FRP reinforced concrete bridges should be improved.

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备注/Memo

备注/Memo:
收稿日期:2023-04-18
基金项目:国家重点研发计划项目(2021YFB2601000); 浙江省交通运输厅科研计划项目(201807)
作者简介:梅葵花(1974-),女,工学博士,教授,博士生导师,E-mail:meikuihua@chd.edu.cn。
更新日期/Last Update: 2024-01-25