中文核心期刊
CSCD来源期刊
中国科技核心期刊
RCCSE中国核心学术期刊

重庆交通大学学报(自然科学版) ›› 2013, Vol. 32 ›› Issue (4): 642-646.DOI: 10.3969 /j.issn.1674-0696.2013.04.23

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拉脊山隧道洞口段施工方法研究

闫鹏飞,姚 坤   

  1. 郑州大学 水利与环境学院,河南 郑州 450001
  • 收稿日期:2012-10-15 修回日期:2013-05-03 出版日期:2013-08-15 发布日期:2014-10-27
  • 作者简介:闫鹏飞(1991—),男,河南商丘人,主要从事隧道及地下空间方面的学习。E-mail:feijner@gmail.com。
  • 基金资助:
    青海省科学技术厅资助项目( 2009-J-148)

Construction Method of Lajishan Tunnel Entrance

Yan Pengfei,Yao Kun   

  1. School of Environment & Water Conservancy Engineering,Zhengzhou University,Zhengzhou 450001,Henan,China
  • Received:2012-10-15 Revised:2013-05-03 Online:2013-08-15 Published:2014-10-27

摘要: 介绍了国内外软弱地层下隧道洞口段的施工方法,根据数值计算,研究了拉脊山隧道洞口段的施工方案,确定了施工方法———CRD 法,及拉脊山隧道洞口段的施工工序。现场位移监测数据表明: 采用 CRD 法施工时,拱顶沉降最大位移≯9 cm,保证了施工过程的安全。对比监测值与数值计算值,表明利用 CRD 法进行施工是恰当的。

关键词: 隧道工程, CRD 法, 施工, 拱顶下沉

Abstract: The methods of tunnel entrance construction in the soft ground at home and abroad are introduced. Based on numerical analysis,the construction planning of Lajishan Tunnel entrance is studied and CRD method is chosen as the construction method,and the construction process of Lajishan Tunnel is determined. The site displacement monitoring data show that: the displacement of crown settlement is no more than 9cm with the CRD method construction,which ensures the safety of the construction process. Compared the monitored value with the calculated value,it is indicated the use of the CRD method in construction is appropriate.

Key words: tunnel engineering, CRD method, construction, arch-crown subsidence

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