| 青藏铁路风火山隧道喷锚支护施工技术 |
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| 引用本文： | 李培安.青藏铁路风火山隧道喷锚支护施工技术[J].铁道建筑技术,2006(4):25-28. |
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| 作者姓名： | 李培安 |
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| 作者单位： | 中铁二十局集团有限公司,西安,710016 |
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| 摘 要： | 风火山隧道是目前世界上海拔最高的冻土隧道。详细介绍了风火山隧道喷锚支护中的低温早强喷射混凝土外加剂配制情况及喷射混凝土的配合比的确定,施工质量控制措施,以及锚杆作业情况。实践证明,该种喷锚支护施工技术解决了多年冻土隧道的喷锚支护难点。
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| 关 键 词： | 冻土隧道 喷射混凝土 试配试验 |
| 文章编号： | 1009-4539(2006)04-0025-04 |
| 修稿时间： | 2006年3月15日 |
Construction Technique of Sprayed Concrete Anchor Support in Fenghuoshan Tunnel of Qinghai-Tibet Railway |
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| Li Pei'an.Construction Technique of Sprayed Concrete Anchor Support in Fenghuoshan Tunnel of Qinghai-Tibet Railway[J].Railway Construction Technology,2006(4):25-28. |
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| Authors: | Li Pei'an |
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| Abstract: | Fenghuoshan Tunnel is the highest frozen earth tunnel in the world.The thesis mainly describes how to mix the additive of low-temperature early strength sprayed concrete,the proportion of sprayed concrete in the sprayed concrete anchor support in Fenhuoshan Tunnel,as well as quality control measures and the operation of anchor rod.It is proved that this construction technique has solved the difficulties of sprayed concrete anchor support in donkey's years frozen earth tunnel. |
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| Keywords: | frozen earth tunnel sprayed concrete mixture and test |
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