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文章通过现场和模拟考查论述了无煤柱回采工作面瓦斯涌出量比留煤柱回采工作面瓦斯涌出量少24%的原因以及特厚煤层分层同步回采时防止上分层瓦斯超限和防止自燃所采取的治理措施。
The article discusses the reason that the gas emission from non-coal pillar mining face is 24% less than the gas emission from coal pillar mining face and the prevention of upper stratified gas overlay when the thick coal seam is synchronous mining And measures taken to prevent spontaneous combustion.