| 吉沙引水隧洞工程地质条件初步分析及评价 |
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| 引用本文： | 毕国良,刘文杰.吉沙引水隧洞工程地质条件初步分析及评价[J].中国煤炭地质,2008,20(2):36-38. |
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| 作者姓名： | 毕国良 刘文杰 |
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| 作者单位： | 毕国良（吉林省煤田地质203勘探公司,吉林,四平,136000）;刘文杰（中水东北勘测设计研究有限责任公司,吉林,长春,130000） |
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| 摘 要： | 吉沙水电站低压引水隧洞，位于青藏高原的东南端，地质环境条件复杂。通过勘查，对工程区的地貌特征、地层岩性、地质构造、水文地质、工程地质特征有了基本了解，对引水隧洞区存在的上覆岩体厚度问题，围岩稳定及施工涌水问题．隧洞外水压力问题以及岩体工程地质问题进行了分析与评价，并提出了工程处理建议。
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| 关 键 词： | 水文工程地质条件 围岩稳定分析 引水隧洞 吉沙水电站 |
| 文章编号： | 1674-1803(2008)02-0036-03 |
| 修稿时间： | 2007年11月2日 |
Jisha Intake Tunnel Engineering Geologocal Condition Preliminary Analysis and Evaluation |
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| Institution: | Bi Guoliang, Liu Wenjie (1. Jilin Provincial 203 Coal Geological Exploration Company, Siping, Jilin 136000; 2. China Water Northeastern Investigation, Design and Research Co. Ltd., Changchun, Jilin 130000) |
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| Abstract: | The Jisha Hydraulic Power Station low pressure intake tunnel is situated at southeastern end of the Qinghai-Tibetan Plateau possesses very complex geological environmental conditions. Through investigation, basically understood the project area＇s relief characteristics, strata lithological properties, geological structures, hydrogeological and engineering geological characteristics, analyzed and evaluated overlying rock mass thickness, wall rock stability, water inflow during construction, water pressure outside the tunnel and rock mass engineering geological condition of the intake tunnel area, put forward engineering processing suggestions as well. |
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| Keywords: | hydrogeological and engineering geological conditions wall rock stability analysis intake tunnel Jisha Hydraulic PowerStation |
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