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.

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

李明¹|李广杰¹|张文¹|刘慧明¹|王吉亮^2,3|杨静²

1.吉林大学建设工程学院|长春130026;2.长江三峡勘测研究院有限公司|武汉430074;
3.长江水利委员会长江勘测规划设计研究院|武汉430074

收稿日期:2011-07-06 出版日期:2012-03-26 发布日期:2012-03-26
通讯作者: 李广杰（1952-），男，教授，博士生导师，主要从事地质灾害评估方面研究 E-mail:lgj@jlu.edu.cn
作者简介:李明(1981-)|男|博士研究生|主要从事地质灾害评估方面研究|E-mail:lm_possess@yahoo.com.cn
基金资助:
国土资源部地质灾害大调查项目（220212400032）

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

摘要/Abstract

摘要：

岩体统计均质区是裂隙岩体研究的一个重要内容，是三维裂隙网络等的基础研究范围。在列联表卡方检验基础上建立起考虑裂隙岩体迹长的方法用来划分岩体的统计均质区，即在统计均质区划分过程中考虑裂隙迹长的因素，通过列联表卡方检验建立两对比样本，计算对比样本各属性之间的实际频率，计算卡方值与临界卡方值。在判断样本之间是否具有统计相似性的基础上，建立了确定统计均质区的划分方法，使得裂隙岩体统计均质区划分更为全面与客观。

关键词: 裂隙岩体, 统计均质区, 卡方检验, 列联表

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

中图分类号:

TU457

李明, 李广杰, 张文, 刘慧明, 王吉亮, 杨静. 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[J]. J4, 2012, 42(2): 449-453.

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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