“三下一上”采煤技术在理论与规律研究方面的进展与现状  

Evolvement and present situation of coal mining technology under water body,building and rail,and on karst water body on theory and regularity research

作　　者：李万武 

机构地区：[1]黑龙江省鸡西矿业职业技术培训中心,黑龙江鸡西158100

出　　处：《煤炭技术》2002年第7期30-31,共2页Coal Technology

摘　　要：介绍了“三下一上”采煤技术在理论与规律方面的进展与现状。This paper introduces the evolvement and present situation of mining technology under water body,building and rail,and on karst water body on theory and regularity research.

关 键 词：采煤技术 压煤量 地表移动 覆岩破坏 水体下采煤 岩溶水体上采煤 建筑物下采煤 铁路下采煤 

分 类 号：TD823.83[矿业工程—煤矿开采]