摘要
介绍了淮南孔集煤矿在控制防水煤柱过高抽冒中所进行的几项试验研究。对首次在水体下急倾斜煤层开采中所进行的中深孔挤压爆破人工强制放顶试验 ,在爆破原理、方法、爆破参数及爆破效果等方面进行了详细介绍。
The paper introduces the test on coal pillar beneath water body from caving in steep dip seam of Kongji Coal Mine in Huainan Coal Mine Area The project firstly tests the blasting with mid deep holes in steep dip seam in order to make roofs cave Author mentions the principle,method,parameter,and results of blasting in details
出处
《煤矿开采》
2000年第1期44-46,共3页
Coal Mining Technology
