Based on gas emission in old workings during gob-side entry, 11101 machine roadway of Liangbei Mine was taken as example, by adopting measures of draining gas, detecting coal column ahead of working face and gas density, which avoided gas overrun and reduced return air gas density in mining face.
葛领勋. 高瓦斯煤层沿空掘进采空区瓦斯治理技术研究[J]. 煤炭与化工, 2015, 38(12): 122-123,126.
GE Ling-xun. Study on Goaf Gas Control Technology of High Gas Coal Seam Gob-side Entry. CCI, 2015, 38(12): 122-123,126.