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Updated: May 15, 2026

A Uniaxial Compression Experiment with CO2-Bearing Coal Using a Visualized and Constant-Volume Gas-Solid Coupling Test System
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A Uniaxial Compression Experiment with CO2-Bearing Coal Using a Visualized and Constant-Volume Gas-Solid Coupling Test System

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Optimal sublevel height and drawing process for horizontal sectional combined mining in steeply inclined, and closely

Hongwei Wang1,2,3,4,5, Jinyuan Bai6,7,8, Jianqiang Jiao1,4,5

  • 1College of Energy and Mining Engineering, Xi'an University of Science and Technology, Xi'an, 710054, China.

Scientific Reports
|May 13, 2026
PubMed

Keywords:
Fully mechanized top-coal cavingHorizontal sectional miningSteeply inclined coal seams, closely spaced coal seamsSublevel heightTop-coal drawing technology

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