Analysis and Prevention of Rock Burst Risk of Working Face under the Influence of Continuous Irregular Triangular Coal Pillar Stress Concentration Area
Xuehua Chen,
Da Zhou,
Songtao Zhang
et al.
Abstract:Irregular coal pillars
inevitably appear in the layout of the current
long-wall mining method, which easily forms stress concentrations
and becomes a heavy disaster area of rock burst. In order to solve
the impact risk of irregular coal pillar working face, it is necessary
to study the instability mechanism of the coal pillar and put forward
effective prevention and control measures. Based on the research background
of 14320 working face of the Dongtan Coal Mine in the Yanzhou mining
area of China, this paper … Show more
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