[1]张红卫,任建喜,李振龙.隧道管棚注浆超前支护在特殊条件下的应用[J].西安科技大学学报,2009,(02):165-169.
 ZHANG Hong-wei,REN Jian-xi,LI Zhen-long.Shed-pipe grouting technique application in shallow-buried and lateral pressure tunneling[J].Journal of Xi'an University of Science and Technology,2009,(02):165-169.
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隧道管棚注浆超前支护在特殊条件下的应用()
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西安科技大学学报[ISSN:1672-9315/CN:61-1434/N]

卷:
期数:
2009年02期
页码:
165-169
栏目:
出版日期:
2009-04-11

文章信息/Info

Title:
Shed-pipe grouting technique application in shallow-buried and lateral pressure tunneling
文章编号:
1672-9315(2009)02-0165-05
作者:
张红卫12任建喜1李振龙3
1.西安科技大学 建筑与土木工程学院,陕西 西安 710054; 2.中铁电气化局集团西安铁路工程有限公司, 陕西 西安 710032; 3.西安理工大学 水利水电学院,陕西 西安 710048
Author(s):
ZHANG Hong-wei12REN Jian-xi1LI Zhen-long3
1.College of Civil and Architectural Engineering,Xi'an University of Science and Technology, Xi'an 710054,China; 2. Xi'an Railway Engineering Co.,Ltd, China Railway Electrification Bureau Group, Xi'an 710032,China; 3.School of Hydro-electric Engineering,Xi'an University of Technology,Xi'an 710048,China
关键词:
管棚注浆 浅埋软弱偏压 超前支护 有限元模拟分析 大跨度隧道 预应力
Keywords:
shed-pipe grouting shallow-buried and lateral pressure tunneling pre-reinforcement FEM(finite element method) large-span tunnel pre-stressed
分类号:
TD353
文献标志码:
A
摘要:
对超前管棚注浆支护在破碎地层大跨度隧道开挖中的加固机理及应用进行了分析,通过对某隧道采取超前管棚注浆预加固防护措施前后,隧道在施工中的受力、变形情况的有限元模拟分析,得出在不良地层地质条件及大跨度隧道施工过程中采用管棚注浆法能显著改善地层的物理力学性质,提高松软地层的整体性,减小隧道施工过程中的预应力集中,从而达到增强隧道自身整体稳定性的结论
Abstract:
Reinforce mechanism and application of shed-pipe grouting in stratum-broken tunnel excavating is studied.Taking the weathering and broken belt of a tunnel exit as an example,we obtain a conclusion that shed-pipe grouting in the process of soft stratum tunnel excavating can notably improve stratum characteristics of physical mechanics, reduce stress concentration and heighten entire stability of tunnel itself through FEM simulation of tunneling load and deformation on the conditions of the two different measures with shed-pipe and without shed-pipe.

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备注/Memo

备注/Memo:
收稿日期: 2008-10-20 作者简介: 张红卫(1975-),男,陕西延川人,硕士研究生,主要从事工程经济及项目管理方面的研究.
更新日期/Last Update: 2009-04-11