Excavation and stability of underground openings

被引：0
|
作者：
Egger, P
机构：
来源：
EIGHTH INTERNATIONAL CONGRESS ON ROCK MECHANICS, VOL 3, PROCEEDINGS | 1997年
关键词：
D O I：
暂无
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
The increasing use of TBMs requires improved ground investigation. Pilot galleries can be used for a large scale ground investigation and have other beneficial effects for the main tunnel excavation. Examples of successful pilot galleries and of setbacks are given. The stability of the tunnel face influences strongly the selection of an adequate tunnelling method. The assessment of the stability at the tunnel face and behind and, when required, its improvement are discussed.
引用
收藏
页码：1055 / 1060
页数：6
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