摘要
针对东滩煤矿主采 3# 煤层中含有夹矸层的特点 ,分析了含夹矸顶煤体的冒放性 ,确定了顶煤中夹矸层的极限厚度 。
According to the character of No 3 seam with parting band in Dongtan mine , author analyzes the caving ability of inter-banded top coal seam, confirms the ultimate thickness of parting band in top coal, and brings forward the technical measurement of longwall top coal caving in the seam with parting band
出处
《煤矿开采》
2002年第1期22-24,共3页
Coal Mining Technology
关键词
厚煤层
综放开采
冒放性
均衡放煤
含夹矸顶煤
夹矸层
longwall top coal caving
the caving ability
balanced caving
top coal seam with parting band
