| 锦屏一级水电站地下厂房系统对穿预应力锚索孔孔斜控制施工技术 |
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| 引用本文： | 张涌泉,李朝华. 锦屏一级水电站地下厂房系统对穿预应力锚索孔孔斜控制施工技术[J]. 探矿工程, 2010, 37(11): 64-66 |
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| 作者姓名： | 张涌泉 李朝华 |
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| 作者单位： | [1]四川准达岩土工程有限责任公司,四川成都610072 [2]成都水利水电工程公司,四川成都610072 |
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| 摘 要： | 锦屏一级水电站地下厂房洞室主机间、主变室、母线洞等洞室系统的边墙、蚀变岩段和较大断层采用了对穿预应力锚索加强支护。在对穿预应力锚杆的施工过程中,根据不同的地质地层段,采取严格的孔斜控制措施,并不断地改进控制方法,基本解决了对穿预应力锚索造孔孔斜控制的技术问题,满足了设计技术要求,积累了对穿预应力锚索孔斜控制施工经验。
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| 关 键 词： | 对穿预应力锚索 孔斜 控制 锦屏水电站 地下厂房 |
| 收稿时间： | 2010-03-30 |
| 修稿时间： | 2010-03-30 |
Construction Technology of Hole Deviation Control for Horizontal Pre-stressed Anchor in the Underground Powerhouse System of Jinping First Stage Hydropower Station |
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| ZHANG Yong-quan and LI Chao-hua. Construction Technology of Hole Deviation Control for Horizontal Pre-stressed Anchor in the Underground Powerhouse System of Jinping First Stage Hydropower Station[J]. Exploration Engineering:Rock & Soil Drilling and Tunneling, 2010, 37(11): 64-66 |
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| Authors: | ZHANG Yong-quan and LI Chao-hua |
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| Affiliation: | 1.Sichuan Zhunda Geo-engineering Co.,Ltd.,Chengdu Sichuan 610072,China;2.Chengdu Company of Water Conservancy and Hydropower Engineering,Chengdu Sichuan 610072,China) |
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| Abstract: | Reinforced support was made for the side wall,altered rock and large fault of the main engine compartment,main transformer room and bus cavern in underground powerhouse of Jinping 1 hydropower station by the horizontal pre-stressed anchor.In the construction process of pre-stressed horizontal anchor,according to the different geological formations,hole deviation was basically solved by strict control methods with continuous improvement. |
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| Keywords: | pre-stressed horizontal anchor hole deviation control Jinping hydropower station underground powerhouse |
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