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关于区域稳定性的研究,以往多是从定性方法出发进行稳定性等级划分和分区。我们在云南省工程地质编图中,试图将数量化理论引入这一领域,具体讲就是特征分析方法。特征分析是数量化理论中的一个统计模型,它将控制单元从多方面得到的信息集成,建立控制区数学模型,求算预测单元与模型区的联系度,使每个单元的信息都有一个量的表示,进行分类划区,其运算过程可以借助电子计算机完成。区域稳定性评价是研究地质变量在空间上的变化规律与特征的,特征分析方法对它有很大的适应性。本文就是用该方法进行云南省区域稳定性评价的总结和体会。
As for the study of regional stability, in the past, stability levels and zoning were mostly based on qualitative methods. We are trying to introduce the theory of quantitative into this field in the engineering geological mapping of Yunnan Province, specifically the method of feature analysis. Eigenanalysis is a statistical model in quantitative theory. It integrates the control unit’s information from many aspects, establishes the mathematical model of the control area, and calculates the connection degree between the prediction unit and the model area so that the information of each unit has a The amount of said classification for classification, the computing process can be done by means of electronic computer. The assessment of regional stability is to study the variation rules and characteristics of geological variables in space. The method of characteristic analysis has great adaptability to it. This article is the summary and experience of using this method to evaluate the regional stability in Yunnan Province.