| 水布垭枢纽尾水隧洞开挖施工技术 |
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| 引用本文： | 黄骞,普国江.水布垭枢纽尾水隧洞开挖施工技术[J].湖北水力发电,2008(6). |
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| 作者姓名： | 黄骞 普国江 |
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| 作者单位： | [1]长江勘测规划设计研究院枢纽处 [2]中国水利水电第十四工程局 |
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| 摘 要： | 清江水布垭地下电站尾水隧洞位于Ⅳ~Ⅴ类岩体中,软岩开挖成洞难,施工中采用了上、下层分层开挖,随机锚杆,超前锚杆(注浆),钢支撑支护及时跟进的方式,确保了围岩的稳定和施工安全。
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| 关 键 词： | 尾水隧洞 开挖施工 控制爆破 支护 |
Excavation of tailrace tunnel of Shuibuya Hydroproject |
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| HUANG Qian,PU Guojiang.Excavation of tailrace tunnel of Shuibuya Hydroproject[J].Hubei Water Power,2008(6). |
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| Authors: | HUANG Qian PU Guojiang |
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| Affiliation: | Hubei Qingjiang Hydropower Development Co.;Ltd;Yichang 443002;China |
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| Abstract: | The tailrace tunnel of Shuibuya Hydropower Station is located in soft rockmass of classification Ⅳ-Ⅴ and is excavated according to the procedure of upper section and lower section in sequence.The surrounding rock is strengthened with stochastic anchor bars and advanced-grouted bars,and is supported with steel frames timely in construction course.The excavation is completed safely. |
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| Keywords: | tailrace tunnel excavation controlled blasting support |
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