Relevance between abutment pressure and fractal dimension of crack network induced by mining

来源 :矿业科学技术学报：英文版 | 被引量 : 0次 | 上传用户：feiyulaile

【摘要】

：

Based on the geological conditions of coal mining face No. 15-14120 at No. 8 mine of Pingdingshan coal mining group, the real-time evolution of coal-roof crack

【作者】

：

Gao Mingzhong Jin Wencheng Dai

【机构】

：

StateKeyLaboratoryofHydraulicsandMountainRiverEngineering,CollegeofHydraulicandHydropowerEngineering

【出处】

：

矿业科学技术学报：英文版

【发表日期】

：

2013年6期

【关键词】

：

Advanced ABUTMENT pressure FRACTAL DIMENSION Evolution DISCRETE element Borehole

【基金项目】

：

The authors gratefully thank the financial support from the State Key Basic Research Program of China，the National Natural Science Foundation of China

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Based on the geological conditions of coal mining face No. 15-14120 at No. 8 mine of Pingdingshan coal mining group, the real-time evolution of coal-roof crack network with working face advancing was collected with the help of intrinsically safe borehole

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Relevance between abutment pressure and fractal dimension of crack network induced by mining

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