岩体结构面产状的综合模糊聚类分析
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摘要
在岩体的力学和水力学分析中,岩体结构面产状的分析是极为重要的基础工作。传统的结构面产状图形分析较粗糙,因此模糊聚类方法得到了一定的应用。分析了模糊等价聚类方法和模糊软划分聚类方法在岩体结构面产状分析中的优缺点,并将上述2种方法结合起来形成岩体结构面产状的综合模糊聚类分析方法,给出具体的计算方法和过程。实例分析表明,结构面产状综合模糊聚类分析方法对结构面产状的分类合理,结果可靠,可根据实际问题灵活运用。
The analysis of joints occurrence in rock mass is an important basic work for mechanical and hydrodynamical behaviors analysis of rock mass. Traditional analysis of plots methods is inadequate to this work;therefore a fuzzy clustering analysis is developed. Both the advantages and disadvantages of fuzzy clustering method and ISODATA fuzzy clustering method are analyzed;then the two fuzzy clustering methods are combinated into a synthetical fuzzy clustering method;and a procedure of the synthetical fuzzy clustering method is proposed. A case study shows that the results of the synthetical fuzzy clustering method are reasonable and reliable.
The analysis of joints occurrence in rock mass is an important basic work for mechanical and hydrodynamical behaviors analysis of rock mass. Traditional analysis of plots methods is inadequate to this work;therefore a fuzzy clustering analysis is developed. Both the advantages and disadvantages of fuzzy clustering method and ISODATA fuzzy clustering method are analyzed;then the two fuzzy clustering methods are combinated into a synthetical fuzzy clustering method;and a procedure of the synthetical fuzzy clustering method is proposed. A case study shows that the results of the synthetical fuzzy clustering method are reasonable and reliable.
引文
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[3]孙其国.模糊聚类分析法在结构面产状分组中的应用[J].化工矿山技术,1997,26(1):57–59.(Sun Qiguo.Application of fuzzy cluster to dividing structural planes′occurrence into groups[J].Journal of Chemical Mining Technology,1997,26(1):57–59.(in Chinese))
[4]Hammah R E,Curran J H.Fuzzy cluster algorithm for the automatic identification of joint sets[J].Int.J.Rock.Mech.Min.Sci.,1998,35(7):889–905.
[5]Sirat M,Talbot C J.Application of artificial neural networks to fracture analysis at the Aspo HRL,Sweden:fracture sets classification[J].Int.J.Rock.Mech.Min.Sci.,2001,38(5):621–639.
[6]何清.模糊聚类分析理论与应用研究进展[J].模糊系统与数学,1998,12(2):89–94.(He Qing.Development in theories and application researches of fuzzy clustering analysis[J].Fuzzy System and Mathematics,1998,12(2):89–94.(in Chinese))
[7]许传华,朱绳武,房定旺.边坡稳定性的ISODATA模糊聚类分析[J].金属矿山,2000,35(12):24–26.(Xu Chuanhua,Zhu Shengwu,Fang Dingwang.ISODATA fuzzy clustering analysis of slope stability[J].Metal Mine,2000,35(12):24–26.(in Chinese))
[8]冯德益,楼世博,林命週,等.模糊数学方法与应用[M].北京:地震出版社,1983.64–66.(Feng Deyi,Lou Shibo,Lin Mingzhou,et al.Methods of Fuzzy Mathematics and Its Application[M].Beijing:Earthquake Press,1983.64–66.(in Chinese))
[9]李相镐,李洪兴,陈世权,等.模糊聚类分析及其应用[M].贵阳:贵州科技出版社,1994.111–116.(Li Xianggao,Li Hongxing,Chen Shiquan,et al.Fuzzy Clustering Analysis and Its Application[M].Guiyang:Guizhou Science and Technology Press,1994.111–116.(in Chinese))
[10]何广讷.土工的若干新理论研究与应用[M].北京:水利电力出版社,1994.136–159.(He Guangne.Researches of Geotechnical New Theories and Its Application[M].Beijing:Water Resources and Electric Power Press,1994.136–159.(in Chinese))
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