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基于关系矩阵和隶属函数的采空区稳定性评价

         

摘要

为了对赤峰中色白音诺尔矿业有限公司南区大型采空区稳定性进行有效地分析,提出了一种基于关系矩阵和隶属函数的评价方法。该方法综合考虑岩石强度、顶板暴露面积、原岩应力状态、结构面情况以及地下水赋存情况等影响采空区稳定性的因素,通过对关系矩阵和隶属函数的建立,确定各因素的活动性指数及相应隶属度值,计算其稳定性系数。根据计算结果并结合实际情况对矿山地下采空区稳定性作出综合评价。该方法也可应用于其他类似的地下金属矿山采空区稳定性分析。%An evaluation method based on the relationship between matrix and membership function was put forward to effectively analyze the stability of mine goaf. The method takes the factors affecting goaf stability, including uniaxial compressive strength, exposed roof area, situ stress state, structural surface, pillar and groundwater storage conditions into consideration. The stability coefficients from the activity index and corresponding membership values of each factor are worked out by establishing the relationship matrix and membership function. The comprehensive stability evaluation of mine goaf can be performed according to the calculated results and the actual situation.

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