Research on Early Warning and Risk Control Technology in Karst Tunnel Construction

被引：0
|
作者：
Liu, Qin [1 ]
Li, Shucai [1 ]
Zhang, Ning [1 ]
Xue, Yiguo [1 ]
Yang, Lei [1 ]
Zhang, Xiao [1 ]
Liu, Rentai [1 ]
机构：
[1] Shandong Univ, Geotech & Struct Engn Res Ctr, Jinan 250061, Peoples R China
来源：
PROCEEDINGS OF 2009 INTERNATIONAL SYMPOSIUM ON RISK CONTROL AND MANAGEMENT OF DESIGN, CONSTRUCTION AND OPERATION IN UNDERGROUND ENGINEERING | 2009年
关键词：
karst tunnel; risk control; early warning; geological forecast; monitoring measurement;
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
In the construction of mountain tunnel in karst area, there are some disasters, such as collapse, gushing water and so on. In order to avoid casualties and heavy economical losses caused by disaster accidents, construction risk must be warned early and controlled. Common methods used in risk warning and control are introduced with their principles analyzed. Illustrated by the case of Hurongxi Longtan tunnel, TSP 203 system is used to perform the advanced detection in the tunnel before excavation. Water-bearing condition is detected by using infrared water detection apparatus and the peripheral displacement of the tunnel is monitored real-timely in excavation process. Combining the several methods, collapse of the tunnel is predicted successfully. The result indicates that the technology is worth popularizing in similar engineering.
引用
收藏
页码：253 / 256
页数：4
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