基于卡方检验法对长白山龙门峰裂隙岩体统计均质区划分

J4 ›› 2012, Vol. 42 ›› Issue (2): 449-453.

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Application of Chi-Square Method in Statistical Homogeneity Zoning of Fractured Rock Mass in Longmen Peak, Changbai Mountain

1.College of Construction Engineering|Jilin University|Changchun130026|China;
2.Three Gorges Geotechnical Consultants Co.,Ltd.|Wuhan430074|China;
3.Changjiang Water Resources Commission Changjiang Institute of Survey Planning Design and Research|Wuhan430074|China

Received:2011-07-06 Online:2012-03-26 Published:2012-03-26

Abstract

Abstract:

Structural homogeneity of jointed rock masses is an important problem and also is the research basics of three-dimensional fracture network modeling. A new method considering trace length of joints is suggested to zone statistical homogeneity of fratured rock mass on basis of contingency table. Through generating two compared samples, the frequency of the attributes of sample are calculated, and the Chi-square and the critical Chi-square values are determined. Then a method of structural homogeneity zoning is constructed after judging the statistical similarity among these samples. It is proved that the result of the new structural homogeneity zoning is more reasonable and perfect.

Key words: fractured rock mass, statistical homogeneity of structure, Chi-square test, contingency table

CLC Number:

TU457

LI Ming, LI Guang-jie, ZHANG Wen, LIU Hui-ming, WANG Ji-liang, YANG Jing. Application of Chi-Square Method in Statistical Homogeneity Zoning of Fractured Rock Mass in Longmen Peak, Changbai Mountain[J].J4, 2012, 42(2): 449-453.

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Application of Chi-Square Method in Statistical Homogeneity Zoning of Fractured Rock Mass in Longmen Peak, Changbai Mountain

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