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-  2017 

基于贡献率和未确知测度理论的矿柱稳定性预测 Prediction of pillar stability based on contribution rate and uncertain measure theory

Keywords: 地质灾害,矿柱稳定性,贡献率,未确知测度理论,预测

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Abstract:

为了准确地对地下采场中矿柱稳定性进行预测,丰富矿柱稳定性预测的方法,在系统地分析矿柱稳定性影响因素基础上,选取矿柱宽高比w/h和矿柱载荷与矿柱承受荷载之比S/P为主要影响因素,引入贡献率的概念确定权重,考虑不同赋存条件下矿柱w/h与S/P对其稳定性影响贡献不同,分别建立未确知测度模型,结合国内外29个工程实例进行验证.实验结果表明:引入贡献率确定权重,建立的未确知测度模型对矿柱进行稳定性预测的准确率达到96.55%,该种方法科学、严谨、简单、合理,能为工程实践中进行矿柱稳定性预测提供一定的指导

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