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对山东金山矿区3煤覆岩及底板工程地质性质类型的物理力学性质指标的变异性进行了研究,用K—S法进行的概率分布类型拟合检验表明,各指标基本服从正态分布;另外,还对煤系岩石物理力学性质指标的关联性及各向异性特征进行了初步分析,为煤矿工程地质可靠度研究提供了依据。
The variability of index of physical and mechanical properties of 3 overlying strata and floor engineering geological properties in Jinshan mining area in Shandong Province was studied. The fitting test of KP distribution based on K-S method showed that each index obeyed the normal distribution. In addition, The correlation and anisotropy characteristics of petrophysical and mechanical properties of coal measures are also analyzed preliminarily, which provides the basis for the research of coal mine engineering geological reliability.