钱家营矿地质构造突出临界值的确定方法

Determination method of critical value of the geological structure in Qianjiaying Mine

通过相关文献查阅和钱家营矿地质资料分析,将地质构造因素分为埋深、断层条数、断层平均落差、断层平均长度和断层密度五部分。运用聚类分析和层次分析法,简化了地质构造因素五部分数值,确定出钱家营矿各水平地质构造因素的权重值。统计各水平突出鉴定指标值,并结合钱家营矿在-850m主石门区域瓦斯动力现象,最终确定出钱家营矿地质构造突出临界值为0.308。该方法量化了地质构造因素,为分析矿井地质构造因素提供了一种思路。

Through the analysis of relevant literature review and geological data in Qianjiaying Mine, the geological tectonic factors are divided into five parts： buried depth contour,fault number,fault average drop,fault average length and fault density. By means of cluster analysis and analytic hierarchy process,five parts of geological structure factors are simplified,and the weights of geological structure factors at various levels in Qianjiaying Mine are confirmed. According to the statistics of gas outburst index in different levels,combined with the gas dynamic phenomenon of-850 m main cross cut area in Qianjiaying Mine,the gas outburst critical value of geological structure in Qianjiaying Mine is 0. 308. This method quantifies the geological structural factors,and provides a way to analyze the geological structural factors.