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Home > Urban and Rural Studies > 2022 No.21 > 双线异形暗挖隧道下穿有砟轨面铁轨加固技术探讨

  • 双线异形暗挖隧道下穿有砟轨面铁轨加固技术探讨

    Author(s)：

    吕壮

    Publication Title：

    Urban and Rural Studies 2022 No.21

    Affiliations：

    中铁二十四局集团有限公司北京分公司

    Abstract：

    采用浅埋暗挖法施工下穿电气化铁路的双线异形隧道时，容易引发地表沉降和钢轨沉降问题。为减少地层沉降，避免轨面变形，通过分析束轨梁不同加固范围对梁挠度变化的影响，结合工程具体的情况对沉降控制标准作出调整，有助于保证隧道开挖期间的行车安全，减少事故风险，使得暗挖作业能够有序平稳、按照既定目标不断推进下去。

    Keywords：

    暗挖隧道；有砟轨面；铁轨加固

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    [1] 吕壮.双线异形暗挖隧道下穿有砟轨面铁轨加固技术探讨[J].Urban and Rural Studies,2022(21),.

城镇建设
Urban and Rural Studies

Language: 中文

CN：10-1589/TU

ISSN：2096-6539

Publication Frequency: 半月刊

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