Study on the Mechanical Behavior of Lining Structure for Underwater Shield Tunnel of High-Speed Railway

被引:44
|
作者
Feng, Kun [1 ]
He, Chuan [1 ]
Fang, Yong [1 ]
Jiang, Yingchao [1 ]
机构
[1] Southwest Jiaotong Univ, Sch Civil Engn, Key Lab Transportat Tunnel Engn, Minist Educ, Chengdu 610031, Peoples R China
基金
中国国家自然科学基金; 国家教育部博士点专项基金资助;
关键词
high-speed railway; underwater shield tunnel; mechanical behavior; model test; field test;
D O I
10.1260/1369-4332.16.8.1381
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
Referring to the Shiziyang Tunnel - the first underwater shield tunnel for high-speed railway (HSR) in China, model tests and field tests are carried out to study the mechanical properties of the single-layer and double-layer lining structures under hydrostatic water pressure and the interaction between the lining and the stratum. The impact of assembling modes, various ground conditions and water level change on the mechanical behavior of the single-layer lining structure, the influence of the secondary lining construction time, the interface working modes of the double-layer lining structure, and their failure characteristics are investigated and explored in this study. The rationality and reliability of using double-layer lining structure is also discussed.
引用
收藏
页码:1381 / 1399
页数:19
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