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本文首先分析了内部与表部土层生成排水边界时的渗流方向并提出了绝对与相对排水边界的概念;然后分别讨论了 绝对与相对排水边界的识别标准。
In this paper, we first analyze the seepage direction when generating the drainage boundary between the internal and the surface soil, and put forward the concept of absolute and relative drainage boundaries. Then, the identification criteria of absolute and relative drainage boundaries are discussed respectively.