journal6 ›› 2007, Vol. 28 ›› Issue (3): 83-88.

• Information and Engineering • Previous Articles     Next Articles

Influence of Hard Roof on Rock Burst


  1. (1.State Key Laboratory of High-Efficient Mining and Safety of Metal Mines of Ministry of Education,University of Science and Technology Beijing,Beijing 100083,China;2.School of Mining and Safety Engineering,Xuzhou 221008,Jiangsu China)
  • Online:2007-05-25 Published:2012-08-27
  • About author:YAO Jing-ming(1979-),male,was born in Guang'an,Sichuan Province,student for doctor degree;research area is rock burst.
  • Supported by:

    The National Natural Science Foundation(50074030);The Dr Special fund of the Ministry of Education(20030290017)

Abstract: By theoretical analysis and actual measurement of field and phenomena analysis of rock burst,the author illustrates the directionless pressure,sudden movement and rupture of hard roof lead to the internal cracks of coal instable development,which easily results in rock burst happening.

Key words: rock burst, hard roof, crack, instable development

WeChat e-book chaoxing Mobile QQ