| 云南大丽铁路三元隧道开挖与支护施工技术 |
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| 引用本文： | 刘伟.云南大丽铁路三元隧道开挖与支护施工技术[J].铁路工程造价管理,2009,24(6):40-44. |
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| 作者姓名： | 刘伟 |
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| 作者单位： | 中铁四局集团,二公司,云南,丽江,674100 |
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| 摘 要： | 在铁路隧道施工过程中，隧道的开挖与支护是保证施工质量及安全控制的关键环节。此文初步探讨了Ⅴ级、Ⅳ级、Ⅲ级围岩隧道开挖与支护的施工技术，对长短台阶法、全断面法、CRD法及CD法4种施工方式做了简要介绍。
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| 关 键 词： | 隧道 开挖 支护 施工技术 |
Excavating and supporting construction technologies of Sanyuan Tunnel of Dali Railway in Yunnan |
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| Liu Wei.Excavating and supporting construction technologies of Sanyuan Tunnel of Dali Railway in Yunnan[J].Railway Engineering Cost Management,2009,24(6):40-44. |
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| Authors: | Liu Wei |
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| Abstract: | In the process of railway tunnel construction, excavating and supporting technology is a critical link of construction quality and security control. This paper explores excavating and supporting construction technologies of railway tunnels in Ⅴ - class surrounding rock, Ⅳ - class surrounding rock, Ⅲ - class surrounding rock, including long＆ short step based method, entire section method, CRD - method and CD - method. |
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| Keywords: | tunnel excavating supporting construction technology |
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