Hard Roof Control and Study on Long Wall Face of Coal
Under the analysis of the feature, moving character and control request of hard roof on long wall working face, mechanical model of hard roof is established. By the way of theoretical derivation, the paper achieves reasonable supporting strength of the breaker props and pressure interval control under the control of hard roof on long wall working face, and put forward theory of Interval Flap Top Slot, that is, when the supporting strength of working face is sure, the distance of hanging roof must be less than a certain length during the period of the periodic roof pressure. The theory provides theoretical foundation for engineering application of coal mining
hard roof control orthodox face of coal
WANG Kai TIAN Quzhen KANG Tianhe
College of Mining Engineering, Taiyuan University of Technology, Taiyuan 030024, China
国际会议
The 2007 International Symposium on Safety Science and Technology(2007采矿科学与安全技术国际学术会议)
河南焦作
英文
749-753
2007-04-17（万方平台首次上网日期，不代表论文的发表时间）