下穿运营铁路超浅埋公路隧道设计及施工关键技术

doi:10.3973/j.issn. 1672-741X.2013.01.010

隧道建设（中英文） ›› 2013, Vol. 33 ›› Issue (1): 59-64.DOI: 10.3973/j.issn. 1672-741X.2013.01.010

下穿运营铁路超浅埋公路隧道设计及施工关键技术

苟明中

（中铁二院工程集团有限责任公司，四川成都 610031）

收稿日期:2012-08-22 修回日期:2012-11-25 出版日期:2013-01-20 发布日期:2013-02-06
作者简介:苟明中（1973—），男，四川营山人，1995年毕业于西南交通大学隧道及地下工程专业，本科，高级工程师，现从事设计技术工作。

Key Technology for Design and Construction of Highway Tunnel Crossing  underneath Operating Railway Lines with Small Clearance

GOU Mingzhong

(China Railway Eryuan Engineering Group Co., Ltd., Chengdu 610031, Sichuan, China)

Received:2012-08-22 Revised:2012-11-25 Online:2013-01-20 Published:2013-02-06

摘要/Abstract

摘要：

厦门高崎互通机场连接线在下穿鹰GOU Mingzhong厦铁路及道岔区段为2个单跨超浅埋暗挖双车道微拱形隧道。为保证铁路轨道能正常运营，隧道采用3层衬砌结构（1次初期支护、2次模筑衬砌），全环设置299超长管幕(110 m)，并在隧道掌子面和周边采用深孔预注浆对地层进行预加固、双侧壁导坑六部开挖方式施工；在每次列车通过前，通过实时监测，采取起道填碴方式，对铁路进行保护，确保了铁路运营的安全。主要介绍超长管幕、3层复合式衬砌结构、双侧壁六部开挖方式等几项设计及施工关键技术。

关键词: 超浅埋公路隧道, 下穿运营铁路, 铁路保护, 超长管幕, 3层衬砌, 双侧壁导坑六步开挖

Abstract:

A highway tunnel in Xiameng crosses underneath operating YingtanXiamen railway line and turnout section with small clearance. Countermeasures, such as threelayer lining structure (primary reinforcement, first insitucast concrete lining and secondary insitucast concrete lining), 299 superlong pipe curtain installed in circular form, preconsolidation of ground by deephole grouting on the tunnel face and around the tunnel contour, 6step tunnel excavation by double side drift method, are taken. In the end, the tunnel crosses the railway successfully. 

Key words: highway tunnel under supershallow cover, tunneling underneath existing railway line, railway protection, superlong pipe curtain, threelayer lining, double side drift method, sixstep excavation

苟明中. 下穿运营铁路超浅埋公路隧道设计及施工关键技术[J]. 隧道建设, 2013, 33(1): 59-64.

GOU Mingzhong. Key Technology for Design and Construction of Highway Tunnel Crossing  underneath Operating Railway Lines with Small Clearance[J]. Tunnel Construction, 2013, 33(1): 59-64.

下穿运营铁路超浅埋公路隧道设计及施工关键技术

Key Technology for Design and Construction of Highway Tunnel Crossing  underneath Operating Railway Lines with Small Clearance

PDF

可视化

摘要/Abstract

引用本文

使用本文

参考文献

相关文章 1

编辑推荐

Metrics

本文评价