摘要
根据长壁留煤柱支撑法开采技术特征,以及不同类型煤柱留设目的差异性,提出了煤柱设计的8个步骤,并对影响煤柱宽度的各个因素进行了分析,为改造旧的房柱式开采、大面积推广和应用该采煤方法奠定了基础。
8 phrases of pillar design were put forward on the basis of technical characteristics of long wall mining with pillar supporting method and aims of different type of pillars. Every factors influencing pillar width were analyzed, which was a base for reforming old room and pillar mining and popularizing this method.
出处
《煤矿开采》
2008年第2期19-22,共4页
Coal Mining Technology
关键词
稳定性
区内煤柱
隔离煤柱
stability
pillar in mining area
isolated pillar
