Study of Reasonable Hanging Roof Length on Hard Roof
The thesis, from the character of hard roof on longwall working face, moving character and control request, by establishing mechanical model and theoretic deduced method, achieves supporting strength of the breaker props and pressure interval control under the control of hard roof on longwall working face, and therefore realizes managing the hard roof safely and effectively.
hard roof control orthodox face of coal
WANG Kai
College of Mining Engineering, Taiyuan University of Technology, Taiyuan 030024, China
国际会议
The First International Symposium on Mine Safety Science and Engineering (首届矿山安全科学与工程学术会议)
北京
英文
800-805
2011-10-27(万方平台首次上网日期,不代表论文的发表时间)