Simulating and Testing Study on Construction Temporal-spatial Effect of six lanes Multi-arch Tunnel

被引：3
|
作者：
Jin, Xiaoguang [1 ,2 ]
Cui, Bingwei [1 ,2 ]
Wu, Mengjun [3 ]
机构：
[1] Chongqing Univ, Sch Civil Engn, Chongqing 400045, Peoples R China
[2] Univ Minst Educ, Lab New Technol Construct Cites Mount Area, Chongqing 400045, Peoples R China
[3] Desert Inst Co Ltd, China Merchant Chongqing Commun Res, Chongqing 400067, Peoples R China
来源：
TRENDS IN CIVIL ENGINEERING, PTS 1-4 | 2012年 / 446-449卷
关键词：
six lane multi-arch tunnel; temporal-spatial effect; numerical simulation; model testing;
D O I：
10.4028/www.scientific.net/AMR.446-449.2149
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Owing to several construction procedures of bidirectional 6 lane multi-arch tunnel, with the characteristics of large dig span and flat cross section, the wall rock and support structure of which will be repeatedly disturbed by multiple excavations, so their mechanical and deformational features are remarkably complicated. Combined with the design and construction practice of Sha Tangkeng bidirectional 6 lane multi-arch tunnel of Guang-He highway, taking the V grade surrounding rock for case, with the help of 3-dimension finite element numerical simulation method and 3-dimension physical similar model test, the paper studied the entire dynamic construction process of bidirectional 6 lane multi-arch tunnel, analyzed the chang characteristics of displacement and stress of wall rock and stress of supporting structure, and revealed the time-space effect laws of construction of bidirectional 6 lane multi-arch tunnel.
引用
收藏
页码：2149 / +
页数：2
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