大跨径预应力混凝土连续梁桥加固研究进展  

Research Progress on Reinforcement of Long-Span Prestressed Concrete Continuous Girdge Bridge

作　　者：覃清玥 李岩 张文学[1] 陈富琨 QIN Qing-yue;LI Yan;ZHANG Wen-xue;CHEN Fu-kun(Faculty of Architecture,Civil and Transportation Engineering,Beijing Institute of Technology,Beijing,100124,China;Shandong Hi-Speed Construction Management Group Co.,Ltd.,Jinan,Shandong,250000,China)

机构地区：[1]北京工业大学城市建设学部,北京100124 [2]山东高速建设管理集团有限公司,山东济南250000

出　　处：《建材技术与应用》2024年第3期49-57,共9页Research and Application of Building Materials

摘　　要：基于我国危旧桥改造需求多、病害情况复杂给桥梁加固提出的挑战,需把握桥梁加固国内外的研究现状,为未来深入研究和工程应用提供参考。结合大跨径预应力混凝土连续梁桥主要加固手段的基本原理,对各加固手段的优点、局限性及适用对象进行分析,系统梳理近两年来的最新研究成果,并对未来发展进行了展望。Based on the challenges posed by the reconstruction of endangered old bridges and complex diseases,it is necessary to grasp the research status of bridge reinforcement at home and abroad,so as to provide references for future in-depth research and engineering application.Based on the basic principles of the main reinforcement methods of long-span prestressed concrete continuous beam bridges,the advantages,limitations and applicable objects of each reinforcement method are analyzed,the latest research results in the past two years are systematically reviewed,and the future development is prospected.

关 键 词：桥梁加固 大跨径 预应力混凝土连续梁桥 

分 类 号：U445.72[建筑科学—桥梁与隧道工程]