Study of Safe Distance Criterion between Concealed Karst Cave and Tunnel

被引：2
|
作者：
Lai, Yongbiao [1 ,2 ]
Wang, Mengshu [1 ]
You, Xinhua [2 ]
机构：
[1] Beijing Jiaotong Univ, Coll Civil Architecture & Engn, Beijing 100044, Peoples R China
[2] China State Construct Engn Corp, Beijing 101300, Peoples R China
来源：
MECHATRONICS ENGINEERING, COMPUTING AND INFORMATION TECHNOLOGY | 2014年 / 556-562卷
关键词：
Concealed Karst Cave; Tunnel; Safe Distance Criterion; Energy Catastrophe;
D O I：
10.4028/www.scientific.net/AMM.556-562.849
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
On the basis of analysis of the stability criterion of surrounding rock and instability mechanism of the rock stratum between concealed karst cave and tunnel, the rock stratum energy catastrophe and safety coefficient catastrophe as safe distance criterion between concealed karst cave and tunnel were put forward, then the comparison and analysis of numerical simulation results based on the run-through of plastic zone criterion, energy catastrophe criterion and safety coefficient catastrophe criterion were carried out with engineering examples, the results showed that energy catastrophe criterion was more reasonable.
引用
收藏
页码：849 / 852
页数：4
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