以寺河矿区煤中裂隙为对象，对煤中裂隙进行了分形研究，探讨了煤中裂隙定量研究的方法，根据所获寺河矿区3号，15号煤中裂隙资料得出15号煤裂隙较3号煤裂隙发育程度高，研究范围内除1.56 mm~100 mm之间的裂隙3号煤层较发育外，其他均以15号煤较发育；3号煤宏观裂隙较发育，15号煤显微裂隙较发育。%Taking cola reservoir cracks of Sihe mining area as the research target,the paper carries out fractal research for the coal reservoir cracks,explores its quantitative research methodology,and draws some conclusions according to coal reservoir cracks data of Sihe mining area No. 3 and No. 15,that is:the development degree of No. 15 coal reservoir cracks is higher than that of No. 3 coal reservoir cracks;Besides the research scope of 1. 56 mm~100 mm,No. 3 coal reservoir develops better,No. 15 coal reservoir cracks develops. In addition,the macro cracks of No. 3 coal reservoir develops better,and the micro cracks of No. 15 coal reservoir develops better.
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