黔张常铁路武陵山越岭隧道群工程地质选线

发布时间：2018-04-15 05:33

本文选题：黔张常铁路 + 武陵山　；参考：《铁道工程学报》2014年12期

【摘要】：研究目的:岩溶地质灾害是黔张常铁路武陵山越岭隧道群铁路选线的重要控制因素之一。本文以黔张常铁路武陵山越岭隧道群工程为例,通过从岩溶危害与工程风险、工程设置条件、工程投资等方面对不同的隧道线路方案进行分析、比选,确定相对合理的武陵山越岭隧道群线路方案。研究结论:黔张常铁路武陵山越岭隧道群研究了三个方案:南方案(D14K)、中方案(DK)、北方案(D12K)。通过分析、比选,得出结论:(1)D12K方案受岩溶危害程度轻,工程风险相对较小;(2)从工程设置条件分析,各方案工程设置条件基本相当;(3)从工程投资方面分析,DK、D12K方案分别较D14K方案贵2 636.2万元、5 686.3万元,但D14K方案受岩溶危害大,工程潜在风险大;(4)北方案(D12K)设置武陵山越岭隧道长度短,工程设置条件尚可,虽工程投资略高,但工程受岩溶危害小,工程风险较低,为最优方案;(5)本研究成果可为以后优化岩溶地区隧道地质选线工作提供参考,以降低工程投资和施工风险,保障工程安全。
[Abstract]:Objective: karst geological hazard is one of the important control factors for railway line selection in Wulingshan Tunnel Group of Guizhou Zhangchang Railway.Taking the project of Wulingshan Yueling Tunnel Group of Guizhou Zhangchang Railway as an example, this paper analyzes different tunnel route schemes from the aspects of karst hazard and engineering risk, engineering setting conditions, project investment and so on.To determine a relatively reasonable Wulingshan cross-Ridge tunnel group line scheme.Conclusion: there are three schemes studied in Wulingshan Tunnel Group of Guizhou Zhangchang Railway: the South Project (D14KN), the Central Scheme (DKN) and the North Scheme (D12KN).Through analysis, comparison and selection, it is concluded that the degree of karst hazard is light and the engineering risk is relatively small.In terms of project investment, DKN D12K scheme is 2 6.362 million yuan or 5 6.863 million yuan more expensive than D14K scheme, but D14K scheme is seriously damaged by karst.D12K) short length of Wulingshan cross-Ridge tunnel, good condition of project setting, although the project investment is slightly higher, the project is less harmful to karst, and the engineering risk is low.The results of this study can provide a reference for future optimization of tunnel geological route selection in karst areas in order to reduce project investment and construction risks and ensure engineering safety.
【作者单位】：中铁第一勘察设计院集团有限公司;
【基金】：铁道部科研基金项目“黔张常铁路岩溶特殊地质区综合选线技术研究”(2010G016-A)
【分类号】：U452.11

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