| 超前锚杆短循环法在砂砾石隧洞挂口施工中的应用 |
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| 引用本文：廖光海,罗其标.超前锚杆短循环法在砂砾石隧洞挂口施工中的应用[J].钻探工程,1999,(5):54-55.. Application of Advanced Anchor Short Cycle Method to Constructing Tunnel Branch Portal in Sandy and Gravel Formation[J]. Drilling Engineering, 1999,(5):54-55. |
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| 廖光海 罗其标 |
| No.405 Brigade，Sichuan Bureau of Geo exploration，Dujiangyan，Sichuan，611830 |
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| 中文摘要:介绍了在支洞工程的施工中，利用超前锚杆短循环法解决在砂砾石地层中挂口难题的具体措施和关键技术，实现了工程自身及周围国道公路、升压站等重要建筑物的安全技术要求。 |
| 中文关键词:砂砾石,隧洞挂口,短循环,弱爆破,人工开挖 |
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| Application of Advanced Anchor Short Cycle Method to Constructing Tunnel Branch Portal in Sandy and Gravel Formation |
| Liao Guanghai Luo Qibiao |
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| Abstract:The advanced anchor short cycle method used for solving the technical problems encountered while constructing tunnel branch portal in sandy and gravel formation is introduced. Safety technical requirements referring to state run road, pressure lifting station and the important buildings nearby are met. |
| keywords:sandy and gravel formation, tunnel branch portal, advanced anchor, short cycle, light blasting, manual excavation |
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