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本文首先讨论了岩体渗透率张量法存在的缺陷,提出了修正渗透率张量法并编制了相应的计算程序。其次,用渗透率张量法计算了长江三峡三斗坪坝址花岗岩体的渗透率。最后,分析了渗透率张量法、实际岩体中导水裂隙量测法、节理导水网络计算机模拟法的结果,得出了较一致的结论,这三种方法的结果较真实地反映了岩体的渗透习性。
This paper first discusses the defects of rock mass permeability tensor method, proposes a modified permeability tensor method and formulates the corresponding calculation program. Secondly, the permeability of the granite body at the Sandouping Dam site in the Three Gorges of the Yangtze River was calculated using the permeability tensor method. Finally, the results of the permeability tensor method, the actual water-slug fracture measurement method, and the computer simulation method of the joint-guiding water network were analyzed, and a more consistent conclusion was drawn. The results of these three methods truly reflect the rock mass. Infiltration habits.