工作面“两带”发育高度的探测研究

基于工作面“两带”发育高度的理论研究和现场实践,采用钻孔冲洗液漏失量观测和彩色电视观测对隆德煤矿205工作面2-2煤层“两带”发育高度进行了实测。研究结果表明:覆岩破坏高度的实测研究是准确掌握覆岩破坏高度的最佳途径;钻孔冲洗液漏失量观测及彩色电视观测是确定“两带”高度直观有效的技术手段;确定了隆德煤矿205工作面2-2煤层“两带”发育高度,为矿井制定安全有效的防治水措施提供技术支撑。

Detection of the development height of "two zones"of the working face

Based on the theoretical study and field practice of the development height of"two zones"at the working face,the development height of"two zones"in the 2-2 coal seam at the 205 working face of Longde Mine was measured by using the observation of flushing fluid leakage and color TV observation.The results showed that the actual measurement of overburden damage height was the best way to accurately grasp the overburden damage height;the observation of drilling flushing fluid leakage and color TV observation was an intuitive and effective technical means to determine the height of the"two zones";the"two zones"development height of the 2-2 coal seam at the 205 working face of Longde Mine was determined,as well as the development height of the"two belts"in the 2-2 coal seam,which provided technical support for the mine to develop safe and effective water control measures.