Evaluation of three-dimensional tunnel face failure mechanism using X-ray CT

被引：0
|
作者：
Otani, J. [1 ]
Takano, D. [1 ]
Nagatani, H. [1 ]
机构：
[1] Kumamoto Univ, Dept Civil & Environm Engn, Kumamoto 860, Japan
来源：
Proceedings of the 16th International Conference on Soil Mechanics and Geotechnical Engineering, Vols 1-5: GEOTECHNOLOGY IN HARMONY WITH THE GLOBAL ENVIRONMENT | 2005年
关键词：
D O I：
暂无
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
A tunnel face failure is simulated by pulling out a tunnel model set in a model ground. The ground is then investigated by X-ray computed tomography (CT) scanner in order to not only visualize the failure zone in three-dimension but also evaluate mechanism of the face failure. Here, the effect of overburden and pull-out length on the scale of failure zone is evaluated quantitatively. Finally, it is concluded that the mechanism of face failure can be investigated visually in three-dimension by the proposed test method. And the quantitative discussion on the face failure mechanism is well performed.
引用
收藏
页码：1639 / 1642
页数：4
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