| 高寒铁路隧道喷射混凝土施工技术 |
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| 引用本文： | 余春红.高寒铁路隧道喷射混凝土施工技术[J].铁道建筑技术,2011(12):62-64. |
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| 作者姓名： | 余春红 |
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| 作者单位： | 中铁第五勘察设计院集团有限公司,北京,102600 |
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| 摘 要： | 高寒地区隧道喷射混凝土施工存在喷射混凝土初期强度增加缓慢、回弹率高等问题。结合大板山隧道喷射混凝土施工实际，经试验研究，确定了喷射混凝土最佳配合比，并对该隧道喷射混凝土施工技术进行介绍。
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| 关 键 词： | 高寒地区 隧道施工 喷射混凝土 |
Alpine Railway Tunnel Concrete Spray Technology |
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| Yu Chunhong.Alpine Railway Tunnel Concrete Spray Technology[J].Railway Construction Technology,2011(12):62-64. |
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| Authors: | Yu Chunhong |
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| Institution: | Yu Chunhong (China Railway Fifth Survey and Design Institute Group Co.Ltd.,Beijing 102600,China) |
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| Abstract: | High spring rate and slow strengthening are seen in the early stage of alpine railway tunnel concrete spray construction.In combination with concrete spray Construction in Dabanshan tunnel,through experimental study,the optimal ratio for spray concrete is determined and the concrete spray technology for the tunnel is introduced. |
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| Keywords: | alpine area tunnel construction spray concrete |
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