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Attribute interval recognition model based on projection pursuit weight for evaluation of stability of surrounding rock
Author(s): XU Fei, WANG Zuo, LIU Zaobao
Pages: 2587-
2591,2598
Year: 2010
Issue:
8
Journal: Rock and Soil Mechanics
Abstract: 围岩的稳定性评价是一个复杂的不确定系统问题.采用粒子群算法优化投影寻踪方法,并结合属性区间识别理论,建立了围岩稳定性评价的投影寻踪权重-属性区间识别模型.选取5个围岩稳定性影响因子作为评价指标,通过构造属性测度区间函数计算单指标属性测度区间,利用基于粒子群优化的投影寻踪确定各评价指标的权重以计算综合属性测度区间,应用置信度准则和评分准则对围岩的稳定性进行属性识别.实例研究表明,该模型能有效的解决围...
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