摘要
通过水文地质分析，对留设12m煤岩柱条件下的开采上限进行了研究。通过采取一定的安全技术措施，取得了试采成功,采出煤量4.3×105t，经济效益明显。
Based on hydrological analysis, a study is carried out under the mining condition of remaining 12m-width coal block. The quantity of 4.3×105t coal was successfully picked out with taking a certain safe measure。
出处
《河北建筑科技学院学报》
2001年第2期68-70,共3页
Journal of Hebei Institute of Architectural Science & Technology
