Coupled Supporting of Rock Bolt and Anchor Cable in Large Cross-section Roadway

被引：5
|
作者：
Shan, Renliang [1 ]
Wei, Zhenting [1 ]
Kong, Xiangsong [1 ,2 ]
Zhou, Jijun
Liu, Yan [1 ]
机构：
[1] China Univ Min & Technol, Sch Mech & Civil Engn, Beijing 100083, Peoples R China
[2] China Inst Water Resources & Hydropower Res, Dept Geotechn Engn, Beijing, Peoples R China
来源：
ADVANCES IN CIVIL ENGINEERING II, PTS 1-4 | 2013年 / 256-259卷
关键词：
large cross-section roadway; coupled supporting; rock bolt; anchor cable; numerical simulation;
D O I：
10.4028/www.scientific.net/AMM.256-259.1417
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
With development of coal mining technology and equipment, the coal roadway section size increases gradually, making roadway more difficult to support. In the paper, the supporting of large cross-section roadway in Hedong mine is studied and roadway excavation supporting process is simulated by FLAC3D. Coal roadway deformation and the problem of original supporting scheme are analyzed including displacement field, stress filed and plastic zone. Several supporting optimizations are proposed combined with site investigation and simulation analysis. And the optimizations are simulated and calculated. By comprehensive comparison, the optimal supporting scheme is obtained and some supporting law in large cross-section roadway is concluded. These are helpful for supporting design in future.
引用
收藏
页码：1417 / +
页数：2
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