再谈抗剪强度C,标准值的统计方法问题

The Re-discussion of Statistical Method for the Shearing Strength C,■

对十分流行的将某层土所取得的全部土样的剪切试验值τ-放在一起回归，以求得C，值的统计方法进行分析，指出这种统计方法不能成立的原因。

This paper analyses the very popular statistical method of seeking C, values by putting togeth-er and regressing the shearing test values of all the soil samples taken from a certain soil layer, and demonstrates the reason why the statistical method is invalid.