| 富水隧道V级围岩双车道斜井进正洞挑顶施工技术 |
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| 引用本文： | 邓启华,王友军,姚日高.富水隧道V级围岩双车道斜井进正洞挑顶施工技术[J].铁道建筑技术,2014(3):95-98. |
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| 作者姓名： | 邓启华 王友军 姚日高 |
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| 作者单位： | 中铁二十二局集团有限公司,北京100040 |
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| 摘 要： | 昆玉铁路宝峰隧道全长7377m，是昆明至河口铁路昆阳至玉溪段重点控制工程，为双线隧道，全隧共设4个斜井，斜井进正洞挑顶段地质均为富水V级围岩。结合在双车道3号斜井挑顶过程中斜交角度的调整与挑顶方案的改进，对挑顶施工技术进行了总结，对同类工程具有参考和借鉴作用。
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| 关 键 词： | 富水隧道 双车道斜井 挑顶 |
Ripping Construction Technology for the Entrance of V-Class Water-rich Rock Two-lane Inclined Shaft into Tunnel |
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| Deng Qihua,Wang Youjun,Yao Rigao.Ripping Construction Technology for the Entrance of V-Class Water-rich Rock Two-lane Inclined Shaft into Tunnel[J].Railway Construction Technology,2014(3):95-98. |
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| Authors: | Deng Qihua Wang Youjun Yao Rigao |
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| Institution: | (China Railway 22na Bureau Group Co. Ltd. , Beijing 100040, China) |
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| Abstract: | Baofeng Tunnel on Kunming-Yuxi Railway, 7377m in length, is the control engineering project of Kunming-Yuxi segment on Kunming to Hekou Railway. It is a two-lane tunnel with four inclined shafts while the ripping of the four inclined shaft entrances is located in water rich V-class surrounding rocks. The paper summarizes the ripping scheme im- provement and crossing angle adjustment to provide reference for similar projects. |
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| Keywords: | water rich tunnel two lane inclined shaft ripping construction |
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