综放工作面导水裂隙带高度研究

 为了研究长壁综放工作面覆岩导水裂隙带高度，以便为矿井开采提供设计依据，根据某矿综放工作面开采技术条件和岩石力学性能参数，建立相似模拟试验模型对上覆岩层破坏后导水裂隙带高度进行研究，将研究结果与经验公式进行对比，采用回归分析法对经验公式进行修正，考虑推进距离对导水裂隙带的影响，从而为预测覆岩导水裂隙带高度提供了一种新的、有效的方法。

Study on Height of Water Flow Fracture Zone in Fully Mechanized Caving Face

In order to research the height of water flowing fractured zone of fully mechanized caving face, the similar simulation test model is established to provide the design basis for the coal mining according to the mechanical parameters of rocks and the exploitation technical conditions in a certain fully mechanized caving face, then the height of water flowing fractured zone is analyzed. Compared with the empirical formula results and considered the effect of advance distance, the empirical formula is modified by regression analysis. So it is a new and efficient method to pridict the height of water flowing fractured zone in overburden strata.