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应用SPSS软件,结合贵阳市红粘土的测试数据,描述性统计分析其物理力学性质指标特征,探索性统计各个指标的平均值置信区间。用系统聚类法对红粘土的性质指标进行分类,并探求每类内各指标的相关关系。最后应用SPSS软件的制图功能,绘制贵阳市红粘土在塑性图上的位置图,并寻找其特点。统计分析结果符合实际,为该地区的工程实践提供参考,也为统计分析红粘土的物理力学性质指标找到了新的方法。
Apply SPSS software, combined with the test data of red clay in Guiyang City, descriptive statistics analysis of the physical and mechanical properties of indicators, exploratory statistics of the average confidence interval of each indicator. The systematic clustering method was used to classify the properties of red clay and explore the correlation between each index in each class. At last, the drawing function of SPSS software is applied to draw the position map of the red clay on the plasticity map of Guiyang and to find its characteristics. The results of statistical analysis are in line with the actual situation and provide a reference for engineering practice in this area. It also finds a new method for statistical analysis of physical and mechanical properties of red clay.