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为了进一步研究综掘巷道煤壁瓦斯涌出规律,确定合理通风设计和制定相应的瓦斯防治措施。通过测定煤壁瓦斯涌出强度并建立经验公式,研究煤壁瓦斯涌出与巷道长度、暴露时间的关系,得出综掘巷道煤壁瓦斯涌出强度随时间的变化符合双曲线关系。得出了综掘巷道煤壁瓦斯涌出与巷道长度以及暴露时间的关系。
In order to further study the rule of gas emission from coal seam in fully mechanized mining roadway, the reasonable ventilation design and the corresponding gas prevention and control measures should be established. By measuring the gas emission intensity of coal wall and establishing empirical formula, the relationship between gas emission and length of tunnel and exposure time is studied. It is concluded that the gas emission intensity of coal seam in the fully mechanized mining roadway obeys hyperbolic relationship with time. The relationship between the gas emission and the length of the tunnel and the exposure time of the coal seam in the fully mechanized digging roadway is obtained.