地表河流水体煤柱回采可行性研究及开采措施

Feasibility Study and Mining Measures on Coal Pillars Mining Under Surface River Water Body

黑龙江双鸭山集贤矿井田内有1条地表河流,河流下有2个可采煤层,河流防水保安煤柱地质储量是350万t,通过对地表河流与埋藏煤层间地层结构的研究,采取科学合理的开采措施,在保证安全的前提下回采防水保安煤柱,可取得显著的经济和社会效益。

There is a surface river in Jixian Mine Field in Shuangyashan City in Heilongjiang Province.There are two commerical coal seams under the river.The geological reserves of safety pillars for avoiding river water is 3.5 million tons.By research on the stratigraphic structure between the surface water and buried coal seam,taking the scientific and reasonable mining measures,the safety coal pillars for avoiding water were mined at the premise of safety assurance.The obvious economic and social benefits were achieved.