| LM-120反井钻在柳洪水电站50°缓倾角斜井中的应用 |
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| 引用本文： | 李文成. LM-120反井钻在柳洪水电站50°缓倾角斜井中的应用[J]. 湖北水力发电, 2005, 0(4): 43-45 |
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| 作者姓名： | 李文成 |
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| 作者单位： | 四川美姑河水电开发有限公司 四川成都620072 |
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| 摘 要： | 柳洪水电站地下压力管道由3个平段2、个斜段组成。上下部分导井分别采用反井钻及人工开挖,通过改造钻机基架、控制钻速、合理使用稳定钻杆等措施,开挖斜井导洞124 m,成孔向下偏斜仅1.2 m,偏斜率约为1%。
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| 关 键 词： | 反井钻 缓倾角 斜井 孔斜控制 |
| 修稿时间： | 2005-08-05 |
Application of LM-120 Rising Shaft Drill Equipment to Gentle Inclined Shaft of Liuhong Hydropower Station |
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| Li Wencheng. Application of LM-120 Rising Shaft Drill Equipment to Gentle Inclined Shaft of Liuhong Hydropower Station[J]. Hubei Water Power, 2005, 0(4): 43-45 |
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| Authors: | Li Wencheng |
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| Abstract: | The power tunnel of Liuhong hydropower station is consisted of three horizontal sections and two inclined sections,the lower inclined section is excavated with rising shaft drill equipment by remaking the base frame of the drill machine,controlling the drilling footage and using stabilizing drill pipe etc,124 m long heading of the inclined shaft is drilled through with inclined deviation only 1.2 m,about 1%. |
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| Keywords: | rising shaft drill equipment gentle inclined inclined shaft deviation controlling |
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