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摘要: 采空区积水一直严重威胁着我国诸多煤矿的安全生产。以谢桥矿12226工作面采空区第三积水段为例，通过对积水段预计积水量与实际放水量的对比分析，结合工作面顶、底板岩性组合特征分析，研究得出采空区内岩（石）层空间冒落结构与充水性特征之间的关系，以及顶板岩性与充水系数、碎胀系数之间的对应关系。该方法及研究成果，为今后类似条件下采空区积水量准确预计，提供一种新思路和新方法。Abstract: Goaf water always seriously threatens the safe production in many coal mines in China. This paper takes the third water-accumulating section of 12226 working face's goaf in Xieqiao mine as an example. By comparison of the predicted and actual amount of goaf water, and with the analysis of lithology combination characteristics of roof and floor, the research obtained the relationship between the caving structure and water filling characteristics of goaf, and between the roof lithology and coefficients of water filling and expansion. The method and results will provide a new way of thinking and new methods for correctly predicting the amount of goaf water under similar conditions in the future.
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