基于分形理论的许疃矿煤层顶板结构类型划分

Classification of Seam Roof Structure Type in Xutuan Mine Based on Fractal Theory

为研究煤层顶板岩体结构类型,依据分形理论和相似维的求测原理,对许疃煤矿82煤层的断裂构造进行了分形研究。研究结果表明分维值包含断层密度、延伸长度、交叉关系等多方面的变化信息,是一项综合性指标。在许疃煤矿82煤层断裂构造复杂程度评价的基础上,对研究区域内断裂分维值进行了计算。根据断裂分维值,将区域内顶板岩体结构划分为完整结构、块裂结构、碎裂结构和松散结构。

In order to study the rock structural type of the seam roof, based on the fractal theory and the similar dimension required measurement principle, a fraetal study on the cracking structure of the 82 seam in Xutuan Mine was conducted. The study results showed that the fraetal dimension value including with the fault density, extension length, cross relationship and multi variation information was a comprehensive index. Based on the evaluation on the cracking structure complicated degree of the 82 seam in Xutuan Mine, the cracking fractal dimension value within the area was calculated. According to the cracking fractal dimension value, the rock structure of the roof in the area could be classified into a completed structure, block cracking structure, broken structure and loose structure.