Evaluation of mountain tunnel excavation method by means of 3D-numerical analysis

被引：0
|
作者：
Shinji, M [1 ]
Junica, MI [1 ]
Nakagawa, K [1 ]
Takahashi, H [1 ]
Murata, Y [1 ]
机构：
[1] Yamaguchi Univ, Yamaguchi, Japan
来源：
(RE)CLAIMING THE UNDERGROUND SPACE, VOLS 1 AND 2, PROCEEDINGS | 2003年
关键词：
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This paper discusses effects of the combination excavation method, namely bench cut and drift advancing which used together, for tunnel constructions in squeezing ground. A case history of Nikkureyama 11 tunnel construction is particularly used to illustrate typical concerns. A numerical model of 3D finite difference method (3D-FDM) was carried out to simulate the execution works. A comparison with a full-face method of excavation was included into the analyses. An optimum length for a bench and a drift excavation is proposed in order to achieve the rational tunnel construction method.
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页码：521 / 528
页数：8
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