The Stability Analysis of Cross Roadway Support of Gao Jialiang Coal Mine

被引：0
|
作者：
Zhang Xiangdong [1 ]
Huang Kaiyong [1 ]
Xu Jianlai [1 ]
机构：
[1] Liaoning Tech Univ, Inst Civil Engn & Transportat, Liaoning 123000, Fuxin, Peoples R China
来源：
PROCEEDINGS OF 2011 INTERNATIONAL SYMPOSIUM - MULTI-FIELD COUPLING THEORY OF ROCK AND SOIL AND ITS APPLICATIONS IN EXPLOITATION AND UTILIZATION OF RESOURCES | 2011年
关键词：
Soft rock; Cross-tunnel; Combined support; MIDAS software;
D O I：
暂无
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The construction of the vertical cross-range of auxiliary-roadway and crossheading of Gao Jialiang coal mine in Erdos is studied. The cross-tunnel excavation process is simulated by three-dimensional elastic-plastic finite element MIDAS/GTS software. The impact of crossheading dynamic construction process for the structural mechanics behavior of auxiliary roadway surrounding rock and the initial supporting is analyzed. The excavation of crossheading tunnel leads to the stress release and secondary distribution of the main roadway surrounding rock and the supporting structure. What's more, it changes the mechanical behavior of the rock near the cross-sections and the supporting structure. The results showed that crossheading excavation has something to do with stress and displacement of the surrounding rock. Combined with the site monitoring results, it provides a reliable basis for the program optimization and security controls of cross roadway construction.
引用
收藏
页码：176 / 182
页数：7
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