六沾复线梅花山至天生桥线路方案地质选线

崔建宏; 蒋良文

doi:10.13544/j.cnki.jeg.2014.05.29

六沾复线梅花山至天生桥线路方案地质选线

doi: 10.13544/j.cnki.jeg.2014.05.29

中国中铁二院工程集团有限责任公司成都 610031

详细信息

作者简介:
崔建宏（1971- ）,男,高级工程师,主要从事铁路、公路等工程地质勘察工作. Email：cjhxm@ 126.com

中图分类号: U21
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出版历程
- 收稿日期: 2014-04-18
- 修回日期: 2014-09-04
- 刊出日期: 2014-10-25

THE GEOLOGIC ROUTE SELECTION IN THE SECTION FROM MEIHUASHAN TO TIANSHENGQIAO ALONG LIUPANSHUI-ZHANYI DOUBLE-TRACK RAILWAY

China Railway Eryuan Engineering Group Co. Ltd., Chengdu 610031

摘要

摘要: 贵昆铁路六沾复线梅花山至天生桥段穿越梅花山主脉，地形、地质条件极其复杂，地质构造、不良地质及特殊岩土极其发育，为铁路选线、设计及施工带来极大困难。通过综合地质勘察方法与手段，基本查明了区域内的工程地质特征及各线路方案的工程地质条件，为线路方案的比选提供了可靠的基础地质资料。影响选线的关键地质因素主要为沿观音河、树舍沟成群分布的滑坡、岩堆及危岩落石、深埋长隧的岩溶与岩溶水危害、煤窑(矿)采空区。通过对梅花山至天生桥段长隧方案、短隧方案、观音河出露方案工程地质条件综合定性分析、工程数量及投资比较，比选推荐了观音河出露方案以乌蒙山一号、二号隧道穿越梅花山主脉，地质条件较好，施工安全性较高，施工、运营后效果良好。
- 梅花山 /
- 天生桥 /
- 线路方案 /
- 地质选线
Abstract: The section from Meihuashan to Tianshengqiao in Liupanshui-Zhanyi Double-track railway passes through the main cordillera of Meihuashan Mountain. In this area, the landform is obstructive; geological conditions are very intricate; geologic structure, unfavorable geology and special rock and soil are developed, which bring great difficulty for route selection, design and construction of the railway. Comprehensive geological survey methods and means are adopted to find out the regional geological characteristics and the engineering geological conditions of every route scheme, which provide credible basic geological information for route selection. The linchpin geological factors for route selection are the groups of landslides, talus, perilous and falling rocks along Guanyin-River and Shushe-Valley, the disserve of karst-water and karst in long and deep tunnel and the old coal mining area. Through the comparison of the engineering geological conditions, construction quantity and invest of long-tunnel scheme, short-tunnel scheme and outcropping in Guanyin-River scheme of the railway from Meihuashan to Tianshengqiao, the outcropping in Guanyin-River scheme is commended, which is No.1 and No.2 Wumengshan Tunnel passing through the main cordillera of Meihuashan Mountain. The geological conditions are better, construction security is higher, and the aftereffect of construction and operation is very good. This paper offers reference for geologic route selection in the rugged and precipitous mountains of complicated geological conditions.
- Meihuashan /
- Tianshengqiao /
- Route schemes /
- Geologic route selection

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参考文献(1)

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