预制混凝土管片快速拼装加固水下桥墩技术工程试点研究

发布时间：2018-01-20 06:13

本文关键词： 预制混凝土管片水下桥墩加固工艺流程质量控制试点工程　出处：《建筑技术》2015年S2期 　论文类型：期刊论文

【摘要】：我国桥梁在飞速发展的过程中,由于其运营时间的增长及交通量与日俱增等原因,各种各样的病害也相继出现,本文针对当前常被忽视的水下桥墩加固技术进行研究,在总结相应加固技术研究现状的基础上,提出了预制混凝土管片快速拼装加固水下桥墩技术,详细介绍了其加固概念、优势、施工工艺流程及质量控制措施等内容,并在江西九江某大桥水下桥墩加固中成功进行了试点应用。相关研究结果表明:该加固技术不但可以提高结构的承载能力、变形能力及耐久性,还具有施工方便、快速等优势,具有广阔的应用前景。
[Abstract]:In the process of rapid development of bridges in China, due to the growth of its operating time and traffic volume, a variety of diseases have emerged one after another. In this paper, the reinforcement technology of underwater pier, which is often neglected at present, is studied. On the basis of summarizing the research status of the corresponding reinforcement technology, the technology of rapid assembly of precast concrete segment to reinforce underwater pier is put forward. The concept of reinforcement, advantages, construction process and quality control measures are introduced in detail. The results show that the reinforcement technology can not only improve the bearing capacity, deformation capacity and durability of the structure. The utility model also has the advantages of convenient construction and fast construction, and has broad application prospects.
【作者单位】：江西赣粤高速公路股份有限公司;东南大学;
【基金】：国家高技术研究发展计划(2012AA03A204)
【分类号】：U445.72
【正文快照】： 我国是一个江河湖泊众多的国家,大量的铁路和公路桥梁使陆上交通连成网络,已成为我国经济飞速发展的重要保障。据不完全统计,我国现有各类桥梁约60万座,每年开工建设桥梁1万多座,20世纪90年代以来,新建桥梁总数已占全世界的47%。但是,随着桥梁运营时间的增长以及交通量的与日

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