Hard rock TBM tunneling in challenging ground: Developments and lessons learned from the field

被引：29
|
作者：
Home, Lok [1 ]
机构：
[1] Robbins Co, Solon, OH USA
来源：
TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY | 2016年 / 57卷
关键词：
TBM; Karst; Probe drilling; Water control; Difficult conditions; Crossover;
D O I：
10.1016/j.tust.2016.01.008
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
TBM tunneling is an ever-increasing challenge for underground construction, and with each new tunnel bored there are unknown elements when boring through the earth. The most extensive Geotechnical Baseline Reports can miss fault lines, water inflows, squeezing ground, rock bursting, and other types of extreme conditions. This paper will draw on the considerable experience within Robbins to analyze successful methods of dealing with the most challenging conditions encountered, with a particular focus on fractured and faulted ground, mixed face tunneling, and tunneling in karst or water-bearing conditions. It will discuss new methods, including Dual Mode or "Crossover" type machines, which can increase the efficiency of excavation in such conditions. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：27 / 32
页数：6
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