摘要
采用钻孔冲洗液消耗观测法、钻孔电视探测法两种方法,对煤层开采前后覆岩裂隙发育程度及高度进行了测试研究。通过两种测试方法的测试过程及最终数据可以看出,步骤简单易行,数据准确,便于煤层顶板导水裂隙带高度的分析,更能精准判断导水裂隙带发育高度,为煤矿安全生产提供可靠指导。
Borehole flushing fluid observation method and borohole television detection method were used to test degree of strata fracture development and height before and after coal mining. These two test procedures and final results showed that process of this study was simple and accurate, which was easy to analyze and estimate development height of water flowing fractured zone. It also provided reliable guidance to safety production in coal mine.
出处
《煤炭与化工》
CAS
2017年第3期43-45,共3页
Coal and Chemical Industry
关键词
导水裂缝带高度
钻孔冲洗液观测法
电视观测法
height of water flowing fractured zone
borehole flushing fluid observation method
television detection method
