【摘要】 导水裂缝带高度是预测矿井涌水量、计算防水煤柱尺寸以及评估水体下采煤安全性的重要技术参数,对研究顶板突水机理和预防顶板水害事故都有重要的理论意义和实用价值。文中分析了导水裂缝带的形成过程及其水文地质意义,总结了导水裂缝带的研究现状和预测方法以及各种方法之间的优缺点,提出未来研究的难点和研究方向,预测了导水裂缝带研究的发展趋势。更多还原

【Abstract】 The height of water-flowing fractured zone is the main technical parameter for the work of the prediction of mine inflow,the calculation of longitudinal waterproof pillar and mining under water body;also,it has important theoretical meaning and practical value for the study of mechanism of roof water burst and prevention of roof water inrush accidents.The paper analyzes the forming process of water-flowing fractured zone and its hydrological geological meaning,and summarizes the research status and the main forecast methods at present,then,compares the advantages and disadvantages of various methods and puts forward the development trend of the research.更多还原