Impact on an existing tunnel due to nearby new tunneling

被引：0
|
作者：
Lee, CJ [1 ]
Wu, CR [1 ]
Wu, BR [1 ]
Yang, SC [1 ]
机构：
[1] Natl Cent Univ, Dept Civil Engn, Chungli 32054, Taiwan
来源：
PROCEEDINGS OF THE TWELFTH (2002) INTERNATIONAL OFFSHORE AND POLAR ENGINEERING CONFERENCE, VOL 2 | 2002年
关键词：
tail voids closures; distribution of earth pressure; tunnel lining; centrifuge modeling;
D O I：
暂无
中图分类号：
P75 [海洋工程];
学科分类号：
0814 ; 081505 ; 0824 ; 082401 ;
摘要：
New tunneling close to an existing tunnel may damage the existing tunnel lining if no appropriate measures are taken during construction. A series of centrifuge tunnel models with various cover-to-diameter ratios (CID = 1, 2, and 3) both in the plane strain condition and in the 3-dimensional condition were performed in an acceleration of 100g to investigate the distributions of earth pressure around tunnels and the bending moment on lining during the tail voids closures caused by nearby new tunneling. The failure mechanism and load mechanism are demonstrated in the paper.
引用
收藏
页码：660 / 665
页数：6
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