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为评价煤矿瓦斯爆炸的危险性,建立区间层次分析法(IAHP)与灰色理论相结合的方法。以阳泉一矿、二矿、三矿的5个工作面为实例,对包括人、机、环境、管理4个方面20个致灾因素构成的综合评价指标体系,以不安全、较不安全、一般安全、较安全、安全5个等级为评价标准进行评价;采用IAHP建立一级、二级两两比较矩阵,根据区间特征根法(IEM)确定指标体系的权重矩阵,运用改进的中心点型三角白化权函数求解各评价指标所属灰类的灰色评价矩阵及其聚类系数,保证各指标灰色聚类系数之和严格为1,将权重矩阵与灰色评价矩阵相乘,以取得分排序第一的等级为最终的瓦斯爆炸危险性评价结果。结果表明,5个工作面的瓦斯爆炸危险性等级均为较安全,与实际相符,表明该评价方法有效。
In order to evaluate the danger of gas explosion in coal mine, a method combining interval analytic hierarchy process (IAHP) with gray theory is established. Taking the five working face of Yangquan No. 1 Mine, No. 2 Mine and No. 3 Mine as an example, the comprehensive evaluation index system composed of 20 disaster risk factors including people, machine, environment and management is put forward. The unsafe, unsafe, General safety, safety and safety. The IAHP is used to establish the first-level and second-level comparison matrices. The weight matrix of the index system is determined according to the interval root eigenvalue (IEM), and the improved center point type The trigonometric whitening weight function solves the gray evaluation matrix and its clustering coefficient of the gray scales of each evaluation index to ensure that the sum of the gray clustering coefficients of each index is strictly 1 and the weight matrix is multiplied with the gray evaluation matrix to obtain the first The rating is the result of the final gas explosion hazard assessment. The results show that the gas explosion hazard levels of the five working faces are all safer and correspond to the actual ones, indicating that the evaluation method is effective.