| 大直径管幕超前支护在市政隧道中的应用 |
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| 引用本文： | 周国辉.大直径管幕超前支护在市政隧道中的应用[J].铁道标准设计通讯,2016(4):68-72. |
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| 作者姓名： | 周国辉 |
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| 作者单位： | 武汉铁四院工程咨询有限公司 |
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| 摘 要： | 以成都成华区致力路工程为例,重点介绍在市政繁忙道路隧道中采用大管幕超前支护技术的设计与施工效果。致力路暗挖段隧道下穿既有铁路线,与既有线平面交角为75°,隧道拱顶埋深为1.0~6.2 m,暗挖隧道部分采用Φ299 mm大管幕超前支护,隧道顺利通过浅埋段,对城市道路和居民生活的影响降到最低,保障了施工安全。
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| 关 键 词： | 市政隧道 超浅埋 超前支护 管幕法 |
Application of Large Radius Tube Curtain Advanced Supporting in Municipal Tunnel |
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| ZHOU Guo-hui.Application of Large Radius Tube Curtain Advanced Supporting in Municipal Tunnel[J].Railway Standard Design,2016(4):68-72. |
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| Authors: | ZHOU Guo-hui |
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| Institution: | ZHOU Guo-hui;Wuhan Tiesiyuan Engineering Consulting Co.Ltd.; |
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| Abstract: | With reference to Chenghua District,Chengdu City project,this paper focuses on the design and implementation of large radius tube curtain advanced supporting in the tunnel located in busy municipal road. The bored Zhililu Tunnel passes through the existing Cheng ~ Yu railway and other railway lines with plane intersection angle of 75 degrees and 1. 0 ~ 6. 2m shallow cover. The bored portion employs φ299mm radius tube curtain advanced supporting to allow the tunnel to pass though the shallow covering part,which minimizes the impact on the municipal roads and the residents and ensures safe construction. |
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| Keywords: | Tunnel ultra shallow buried Advanced supporting Tube curtain |
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