| 黄土隧道洞口山体稳定性评价关键技术 |
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| 引用本文： | 张乾坤,谢明皆,罗龙,王秉勇,赵子傲.黄土隧道洞口山体稳定性评价关键技术[J].铁道建筑,2020(3):50-53. |
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| 作者姓名： | 张乾坤 谢明皆 罗龙 王秉勇 赵子傲 |
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| 作者单位： | 中国铁道科学研究院研究生部;中铁科学研究院有限公司深圳分公司;中铁西北科学研究院有限公司;中国地质大学（武汉）地理与信息工程学院 |
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| 摘 要： | 铁路黄土隧道洞口在施工过程中受地质条件、工程设计、施工技术等因素影响,易发生山体滑坡。本文以一客运专线黄土隧道洞口山体滑坡为实例,从地形地貌、滑坡形态、施工影响、过程管理等方面对滑坡原因进行了分析,探讨了滑坡产生的原因,总结关于黄土隧道洞口边坡稳定性分析经验与管控技术要点。
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| 关 键 词： | 铁路隧道 技术要点 理论计算 黄土隧道洞口 山体滑坡 稳定性 |
Technical Points of Stability Evaluation of Mountain at the Loess Tunnel Portal |
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| ZHANG Qiankun,XIE Mingjie,LUO Long,WANG Bingyong,ZHAO Ziao.Technical Points of Stability Evaluation of Mountain at the Loess Tunnel Portal[J].Railway Engineering,2020(3):50-53. |
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| Authors: | ZHANG Qiankun XIE Mingjie LUO Long WANG Bingyong ZHAO Ziao |
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| Institution: | (Postgraduate Department,China Academy of Railway Sciences,Beijing 100081,China;Shenzhen Branch of China Railway Academy Co.Ltd,Shenzhen Guangdong 518000,China;Northwest Research Institute Co.Ltd.of CREC,Lanzhou 730000,China;School of Geography and Information Engineering,China University of Geosciences(Wuhan),Wuhan 430074,China) |
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| Abstract: | Affected by geological conditions,engineering design,construction technology and other factors,the railway loess tunnel portal is prone to landslides in the construction process.Taking the landslide at the loess tunnel portal of a passenger dedicated line as an example,this paper analyzes the causes of the landslide from the aspects of topography,landslide morphology,construction influence,process management,etc.,discusses the causes of the landslide,and summarizes the analysis experience and control technical points for the slope stability of the loess tunnel portal. |
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| Keywords: | railway tunnel technical points theoretical calculation loess tunnel portal landslide stability |
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