地铁穿越既有桥梁主动顶升监测系统研究
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北京交通大学 土木建筑工程学院,北京市重大项目建设指挥部办公室,北京交通大学 土木建筑工程学院,北京市市政工程研究院,北京市道路工程质量监督站,北京交通大学 土木建筑工程学院

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中图分类编号:U446

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国家自然科学基金项目(面上项目,重点项目,重大项目)


Research on the Monitoring System of Initiative Jacking up
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School of Civil Engineering, Beijing Jiaotong University;Beijing Municipal Engineering Research Institute,,School of Civil Engineering, Beijing Jiaotong University

Fund Project:

The National Natural Science Foundation of China (General Program, Key Program, Major Research Plan)

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    摘要:

    随着我国城市轨道交通建设的快速发展,地铁施工穿越既有桥梁的工程项目与日俱增,为确保既有桥梁在地铁施工期间的运营安全,桥梁上部结构主动顶升技术逐渐被推广应用。由于该项技术的特殊性,在具体实施过程中必须对既有桥梁结构进行实时动态的监测,以此了解桥梁结构在顶升过程中及后续地铁施工过程中的受力变化状况,从而及时了解桥梁结构损伤位置及程度,进而对桥梁结构的安全状况做出评价,提出有效处理措施。本文重点阐述主动顶升的适用范围和技术要求,针对性地提出地铁穿越工程的主动顶升监测系统,明确监测的设计流程和重点,并在实际的工程中进行了成功应用。

    Abstract:

    With the rapid development of urban rail transit construction in China, projects of increase. In order to ensure the operational safety of existing bridges during the subway construction, the initiative jacking up technology of bridge superstructure is gradually being spread and applied. Due to the speciality of the technology, we must do real-time dynamic monitoring for the structure of existing bridge during implementation. So as to understand the force changes of the bridge structure during lifting and the follow-up subway construction. Thus we can keep abreast of damage location and extent of the bridge structure, and then evaluate the security situation of the bridge structure, finally come up with effective measures. This article focuses on the scope of application and technical requirements of the initiative jacking up technology, and put forward the of subway crossing project, with clear monitoring design process and emphasis. This technology has been successfully applied in actual project.

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引用本文

王佳妮,牛晓凯,薛忠军,等. 地铁穿越既有桥梁主动顶升监测系统研究[J]. 科学技术与工程, 2013, 13(26): .
WANG Jiani, NIU Xiaokai,,et al. Research on the Monitoring System of Initiative Jacking up[J]. Science Technology and Engineering,2013,13(26).

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  • 收稿日期:2013-05-15
  • 最后修改日期:2013-05-15
  • 录用日期:2013-06-08
  • 在线发布日期: 2013-08-12
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