Classical theoretical approaches to evaluate CPTU-based hydraulic conductivity gave the expression of a bilinear relation defined by -, for undrained and drained soils. In fact, a dividing line may be selected with a certain degree of subjectivity, and several undrained/drained points occur in opposite sites, which may make us doubt the necessity of two intersecting lines to distinguish the undrained and drained soils. And a uniform and relatively simple curve including an arc, parabola, or ellipse correlation may be more suitable and accessible from a practical point of view. A database in the Yangtze Delta region has been collated to assess the three curves compared with the bilinear line. With the graphical and statistical analyses, the results indicate that the arc, parabola, and ellipse simplified curves could give better performance than the bilinear line. Through the statistical analyses and the number of variables, the overall best curve was the ellipse with only two variables, which is expected to improve the application scope and simplicity of hydraulic conductivity.

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基于CPTU的简化水力传导率曲线的统计评估

经典理论方法来评估基于CPTU-水力传导给由所定义的双线性关系的表达- ，用于不排水和排水的土壤。实际上，可以选择具有一定主观性的分界线，并且在相对的位置上会出现几个不排水/排水的点，这可能使我们怀疑是否需要两条相交的线来区分不排水和排水的土壤。并且从实际的角度来看，包括圆弧，抛物线或椭圆相关性的均匀且相对简单的曲线可能更合适并且可以访问。整理了长江三角洲地区的数据库，以评估与双线性线相比的三条曲线。通过图形和统计分析，结果表明，弧形，抛物线形和椭圆形简化曲线比双线性线具有更好的性能。通过统计分析和变量数量，