A new research system for caving mechanism analysis and its application to sublevel top-coal caving mining

@inproceedings{Wang2016ANR,
  title={A new research system for caving mechanism analysis and its application to sublevel top-coal caving mining},
  author={Jiachen Wang and Jinwang Zhang and Zhaolong Li},
  year={2016}
}
Abstract The study of top-coal drawing characteristics is key to improving the top-coal recovery ratio and to reducing the waste of coal resources in longwall top-coal caving (LTCC) mining. This paper introduces a Boundary-Body-Ratio (BBR) based research system established by the authors following a long-term detailed study of the top-coal drawing mechanism. For BBR system, a simplified parabolic model is proposed to describe the development process of the boundary of top-coal in normal top… CONTINUE READING

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