| 乐滩灌区输水隧洞穿合山煤矿采空区处理设计 |
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| 引用本文： | 王之岑,余青梅.乐滩灌区输水隧洞穿合山煤矿采空区处理设计[J].广西水利水电,2006(4):20-23. |
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| 作者姓名： | 王之岑 余青梅 |
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| 作者单位： | 广西水利电力勘测设计研究院,南宁,530023 |
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| 摘 要： | 分析了乐滩灌区工程北干渠溯河隧洞段长约1.06 km穿合山煤矿采空区的地质情况.借鉴高速公路煤矿采空区的成功处理经验,通过科学分析,对采空区变形和区域内覆岩的稳定性做了评价,论述了输水线路穿采空区段采取全充填压力注浆法的工程处理方法.
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| 关 键 词： | 输水隧洞 乐滩灌区 煤矿采空区 全充填压力注浆 钻孔 浆液配合比 |
| 文章编号： | 1003-1510(2006)04-0020-04 |
| 修稿时间： | 2006年7月21日 |
Design of Letan irrigation area diversion tunnel passing through mine-out area of Heshan coal mine |
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| WANG Zhi-cen,YU Qing-mei.Design of Letan irrigation area diversion tunnel passing through mine-out area of Heshan coal mine[J].Gx Water Resources & Hydropower Engineering,2006(4):20-23. |
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| Authors: | WANG Zhi-cen YU Qing-mei |
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| Abstract: | An analysis was made on the geological conditions of the mine-out area of Heshan coal mine where the 1.06km-long Suhe tunnel section of the north trunk channel in Letan irrigation area will pass through.Learning from the successful experience in expressway passing through coal mine-out area,based on a scientific analysis,appraisal was made the mine-out area deformation and the stability of cover rock in the area,and full filling pressure grout injection method was adopted as the engineering measure for diversion tunnel section passing through mine-out area. |
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| Keywords: | Diversion tunnel Letan irrigation area coal mine-out area full filling pressure grout injection drill hole slurry mix proportion |
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