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随着城市建设的发展,在既有铁路下修建地道逐漸增多,不少单位要求我们介绍这方面的有关资料。为此,本期刊登了北京局后勤组基建工程组总结的“顶管桥的设计与施工”一文。本文较全面地介绍了近年来北京局管內所修建的顶管桥的设计、施工实践经验,对于进一步推广和提高顶管桥的设计与施工质量,具有一定的现实意义。在编辑过程中,我们参照铁三院二总队站場设备队“某斜交顶管桥总结”资料对本文作了部分补充和修改。
With the development of urban construction, the number of tunnels built under existing railways has been gradually increasing. Many organizations have asked us to introduce relevant information in this respect. To this end, this issue of the Beijing Bureau of Logistics Infrastructure Engineering Group summarized the “pipe jacking Bridge Design and Construction” article. This paper introduces the design and construction experience of the pipe jacking bridge constructed in Beijing Bureau in recent years, which has certain practical significance for further promoting and improving the design and construction quality of the pipe jacking bridge. During the editing process, we made some supplements and revisions to this article with reference to the data of the equipment team of the Second Corps of the Iron and Steel Squadron Corps, “A Summary of Some Oblique Pipe Jacking Bridge.”