| 仙居抽水蓄能电站下水库事故闸门井深井开挖技术 |
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| 引用本文： | 陈小勇,陈金,周冠荣.仙居抽水蓄能电站下水库事故闸门井深井开挖技术[J].水利水电技术,2015,46(5):54-56. |
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| 作者姓名： | 陈小勇 陈金 周冠荣 |
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| 作者单位： | （中国人民武装警察部队水电第二总队五支队，江苏常州213135） |
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| 摘 要： | 仙居抽水蓄能电站下水库泄放洞事故闸门井开挖施工作业面狭窄、安全隐患大,经方案比选,采用"先导井后扩挖"方式进行开挖。其中导井开挖采用VCR法,具有作业安全、施工进度快、爆破成型效果好等优点,取得了较好的经济效益。
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| 关 键 词： | 开挖技术 深井 事故闸门井 VCR法 下水库 仙居抽水蓄能电站 |
| 收稿时间： | 2014-12-30 |
Technology for excavation of deep shaft for emergency gate of lower pool for Xianju Pumped Storage Hydropower Station |
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| CHEN Xiaoyong,CHEN Jin,ZHOU Guanrong.Technology for excavation of deep shaft for emergency gate of lower pool for Xianju Pumped Storage Hydropower Station[J].Water Resources and Hydropower Engineering,2015,46(5):54-56. |
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| Authors: | CHEN Xiaoyong CHEN Jin ZHOU Guanrong |
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| Affiliation: | （The No.5 Branch of the No.2 General Team of Armed Police Hydropower Troops， Changzhou213135， Jiangsu, China） |
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| Abstract: | As the working face of the excavation of the shaft for the emergency gate of the discharge tunnel for the lower pool of Xianju Pumped Storage Hydropower Station is quite narrow with large potential safety hazard， the excavation method of“excavating a pilot shaft firstly and then enlarging it” is adopted through the relevant scheme comparison， in which the VCR method（Vertical Creater Retreat Method）with the merits of safe operation， quick construction， better explosive forming， etc. is adopted for the excavation of the pilot shaft， and then better economic benefit is obtained as well. |
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| Keywords: | excavation technology deep shaft emergency gate Vertical Creater Retreat Method（VCR mehtod） lower pool Xianju Pumped Storage Hydropower Station |
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