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Home > Urban and Rural Studies > 2020 No.11 > 小半径双曲线变截面浅埋高围岩隧道施工技术应用

  • 小半径双曲线变截面浅埋高围岩隧道施工技术应用

    Author(s)：

    董尚书

    Publication Title：

    Urban and Rural Studies 2020 No.11

    Affiliations：

    中铁六局集团北京铁路建设有限公司

    Abstract：

    新建九景衢铁路四标段昌江隧道为"S"曲线隧道,全长530m.全隧浅埋偏压且断面变化多且频繁;隧道曲线较多,弯曲半径较小;洞口浅埋段岩体破碎,易坍塌.针对施工风险等级,施工中在入洞口处理、S型曲线台车布置等方面采取了较灵活的办法.本文结合新建九景衢四标昌江隧道的施工情况对小半径双曲线变截面浅埋高围岩隧道施工技术具体应用进行简要的介绍,是笔者在施工中一些个人的理解和认识,供大家参考.

    Keywords：

    小半径;双曲线;变截面;浅埋;施工技术应用

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    [1] 董尚书.小半径双曲线变截面浅埋高围岩隧道施工技术应用[J].Urban and Rural Studies,2020(11),.

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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