| 宜万铁路高坪1#隧道岩溶发育特征分析与治理 |
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| 引用本文： | 李鸣冲,张民庆,黎代仁. 宜万铁路高坪1#隧道岩溶发育特征分析与治理[J]. 隧道建设, 2006, 26(3): 68-72 |
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| 作者姓名： | 李鸣冲 张民庆 黎代仁 |
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| 作者单位： | 1. 铁道第四勘察设计院,武汉,430063
2. 中铁隧道集团科研所,河南洛阳,471009;宜万铁路建设总指挥部,湖北恩施,445000 |
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| 摘 要： | 宜万铁路高坪1#隧道穿越T21j灰岩，处于岩溶垂直循环带内，隧道最大埋深104m。隧道岩溶极其发育，施工中共揭示大小溶洞51个。通过对所揭示的溶洞进行数理分析，探讨了垂直循环带内岩溶发育特征。根据岩溶发育特征和工程结构特点，提出了岩溶规模划分标准，制定了相应的治理措施，并对岩溶治理进行评价。
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| 关 键 词： | 垂直循环带 岩溶发育特征 治理 |
| 收稿时间： | 2006-05-11 |
| 修稿时间： | 2006-05-11 |
Development Features and Treatment of Karsts along No. 1 Gaoping Tunnel on Yi-Wan Railway |
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| LI Ming-chong,ZHANG Min-qing,LI Dai-ren. Development Features and Treatment of Karsts along No. 1 Gaoping Tunnel on Yi-Wan Railway[J]. Tunnel Construction, 2006, 26(3): 68-72 |
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| Authors: | LI Ming-chong ZHANG Min-qing LI Dai-ren |
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| Affiliation: | 1.China Railway the 4th Survey &;|Design Institute2.Scientific Research Institute of China Railway Tunnel Group Co., Ltd.3. Yi Wan Railway Construction Headquarters |
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| Abstract: | No. 1 Gaoping tunnel on Yi-Wan railway passes through T^2 lj limestone. The tunnel is located in vertical-circulating karst zones, with the maximum overburden being 104 m. The karsts along the tunnel are extremely developed, with a total of 51 karst caves having been discovered during the construction of the tunnel. By means of analysis on the karst caves discovered during the tunnel construction, the article makes a study on the features of the development of the karsts located in vertical-circulating zones. On basis of the features of the development of the karsts and the characteristics of the engineering structures, the article suggests a karst scale determination standard, recommends some karst treatment measrues and makes an assessment on the effect of the karst treatment. |
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| Keywords: | vertical-cireulating zone karst development feature treatment |
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