| 湿陷性黄土隧道洞口段易滑塌原因及防治 |
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| 引用本文： | 李秀花.湿陷性黄土隧道洞口段易滑塌原因及防治[J].铁道建筑,2012(8):61-63. |
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| 作者姓名： | 李秀花 |
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| 作者单位： | 中铁十二局集团第二工程有限公司,山西太原,030032 |
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| 摘 要： | 山西西北部是我国湿陷性黄土代表区域之一。本文选取在建的山西中南部铁路大通道ZNTJ-1标10个代表性的湿陷性黄土隧道洞口,对其设计和施工进行分析,论述了湿陷性黄土隧道洞口段易滑塌的原因,提出了建设过程中三个主要阶段的相应防治措施,最后强调应用科学态度认知洞口段易滑塌的原因和采用措施。可为类似隧道的设计和施工提供参考。
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| 关 键 词： | 湿陷性 黄土 隧道 滑塌 原因 防治 |
Slide-collapse cause of collapsible loess at portal section and its prevention-treatment |
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| LI Xiuhua.Slide-collapse cause of collapsible loess at portal section and its prevention-treatment[J].Railway Engineering,2012(8):61-63. |
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| Authors: | LI Xiuhua |
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| Institution: | LI Xiuhua(The 2nd Engineering Co.,Ltd.of the 12th Bureau Group of China Railway,Taiyuan Shanxi 030032,China) |
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| Abstract: | Northwest area of Shanxi province is the representative region of collapsible loess in China.Taking 10 representative collapsible loess tunnel portal in central and southern railway large channel construction of Shanxi ZNTJ-1 mark as an example,this paper analyzed the design and construction of them,discussed the slump reason for the collapsible loess tunnel portal,put forward the corresponding prevention measures of three main stages in construction process,and finally emphasized the science cognitive attitude towards the reason and prevention of collapsible tunnel portal,which can provide the reference for similar tunnel design and construction. |
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| Keywords: | Collapsibility Loess Tunnel Slump Reason Prevention |
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