| 冲击钻在糯扎渡水电站闸门井导井
施工中的应用 |
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| 引用本文： | 杨玺成,郭超.冲击钻在糯扎渡水电站闸门井导井
施工中的应用[J].水利水电技术,2011,42(5):10. |
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| 作者姓名： | 杨玺成 郭超 |
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| 作者单位： | 中国人民武装警察部队水电第一总队，广西南宁530028 |
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| 摘 要： | 糯扎渡水电站右岸泄洪洞事故检修闸门井垂直深度1432 m，导井的开挖方法是关键难点。采用冲击式钻机（即冲击钻）进行闸门井的导井施工，提高了工效，节约了成本，降低了施工安全风险。
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| 关 键 词： | 冲击钻 事故检修闸门井 糯扎渡水电站 |
| 收稿时间： | 2011-03-11 |
Application of percussion drill to construction of pilot heading for excavation of gate shaft of Nuozhadu Hydropower Station |
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| YANG Xicheng,GUO Chao.Application of percussion drill to construction of pilot heading for excavation of gate shaft of Nuozhadu Hydropower Station[J].Water Resources and Hydropower Engineering,2011,42(5):10. |
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| Authors: | YANG Xicheng GUO Chao |
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| Affiliation: | The No1 General Team of Armed Police Hydropower Troops, Nanning530028, Guangxi, China |
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| Abstract: | The vertical depth of the shaft for the emergency service gate of the flood discharge tunnel on the right bank of Nuozhadu Hydropower Station is 143.2 m;for which key difficulty in the construction is the excavation method for the pilot heading.During the construction the pilot heading,percussion drill is adopted,and then,not only the construction efficiency is increased and the construction cost is saved,but the risk of the construction is also lowered. |
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| Keywords: | percussion drill shaft of emergency service gate Nuozhadu Hydropower Station |
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