| 对西康铁路软岩和极软岩隧道支护的认识 |
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| 引用本文： | 郑伟. 对西康铁路软岩和极软岩隧道支护的认识[J]. 水文地质工程地质, 2001, (4): 40-42. doi: 10.3969/j.issn.1000-3665.2001.04.011 |
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| 作者姓名： | 郑伟 |
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| 作者单位： | 铁道部第一勘测设计院,;; 铁道第一勘察设计院 |
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| 摘 要： | 西康铁路沿线软质岩带在秦岭以南分布较广.在软质岩带集中出露的地段,地质情况复杂,隧道围岩稳定性差,其工程地质特性随着岩层矿物质成分、产状、风化程度、地下水赋存特征的不同有很大差异.本文介绍了西康铁路南段软岩和极软岩带的设计指导思想,并结合西康线具体情况,具体分析了软岩极软岩对隧道施工的影响,对该类地层铁路隧道的设计、施工,提出几点建议,作为今后工作的借鉴.
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| 关 键 词： | 软岩和极软岩 隧道 围岩支护设计 支护施工措施 |
| 文章编号： | 1000-3665(2001)04-0040-03 |
| 修稿时间： | 2000-06-08 |
Discussions on tunnel timbering at flexible and special flexible rock area in Xikang railway |
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| Discussions on tunnel timbering at flexible and special flexible rock area in Xikang railway[J]. Hydrogeology & Engineering Geology, 2001, (4): 40-42. doi: 10.3969/j.issn.1000-3665.2001.04.011 |
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| Authors: | ZHENG Wei |
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| Abstract: | Soft rock area distribute extensive at south area of Mountain Qin.Which Xikang railway go through.At the area of soft rock revealing,geological condition is very complexity,tunnel's wall rock is unstable,Their geological features are greatly different because of vary kind of mineral element,rock occurrence,degree of rock weathering,character of underground water.Focusing on those point of soft rock's character,this paper we introduce designing guidance ideology of tunnel timbering at flexible rock and special flexible rock area,and analyse soft rock infection to tunnel construction in detail.At the same time,author tries to bring forward some suggestions used for reference. |
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| Keywords: | flexible rock and special flexible rock tunnel timbering wall rock timbering design timbering construction |
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