基于瓦斯地质学的理论和方法,探讨了寺河矿瓦斯地质规律,分析了地质构造特征、围岩及上覆地层有效厚度、水文地质条件等因素对瓦斯赋存的影响,结果表明地质构造和上覆地层有效厚度是控制寺河矿3号煤层瓦斯赋存和造成部分区域瓦斯涌出量异常的主要因素。寺河矿根据上述研究结果进行瓦斯突出预警与瓦斯抽放,并加强了突出危险性预测,通过建立完善的监测监控系统和瓦斯抽放系统,目前全矿井瓦斯抽放率已达到73%。

Based on the gas geology theory and method, the gas geology law of Sihe Mine was discussed and the analysis was conducted on the geological structu ral features, the effective thickness of the surrounding rock and the overburden strata, hydrological conditions and other factors affected to the gas deposits.The results showed that the geological structure and the effective thickness of the overburden strata would be the major factors to control No.3 seam gas deposit and to cause the abnormal gas emission value from some region.According to all the study results, the gas outburst early warning and gas drainage were conducted in Sihe Mine.The pr ediction of the gas outburst danger was enhanced .An improved monitoring and control system and a gas drainage system was established.The full mine gas drainage「 ate could reach to 73%.

中央高校基本科研业务费资助项目(2009KJ01)；