| 软弱围岩小净距三车道公路隧道施工技术 |
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| 引用本文： | 李福勇,赵钰. 软弱围岩小净距三车道公路隧道施工技术[J]. 山西建筑, 2009, 35(27): 326-327 |
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| 作者姓名： | 李福勇 赵钰 |
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| 作者单位： | 中铁二十局集团第四工程有限公司,山东青岛,266061 |
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| 摘 要： | 以佛山市顺番一级公路大金山隧道为例,分别阐述了软岩地质条件下,小净距三车道公路隧道洞口施工技术和预应力锚杆加固中夹岩技术,并对施工效果进行了分析,指出该技术中洞口施工是关键,预应力中空锚杆加固时应施加预应力。
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| 关 键 词： | 公路隧道 小净距 洞口 预应力锚杆 |
Construction technique of small spacing three lane road tunnel with soft surrounding rock |
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| LI Fu-yong,ZHAO Yu. Construction technique of small spacing three lane road tunnel with soft surrounding rock[J]. Shanxi Architecture, 2009, 35(27): 326-327 |
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| Authors: | LI Fu-yong ZHAO Yu |
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| Affiliation: | LI Fu-yong ZHO Yu |
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| Abstract: | Taking Dajinshan tunnel of one level road in Shunfan of Foshan as example,the paper states construction technique of small spacing three lane road tunnel and enforcing central rock by prestressing anchor under geological situation of soft rock,it also analyzes the construction effects,and points out that construction of the opening is the key of the technique,and prestressing should be exerted when enforcing central rock by prestressing anchor. |
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| Keywords: | road tunnel small space opening prestressing anchor |
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