Investigation of Anisotropic Permeability and Porosity of CJRM considering Different Confinement Loading Pressures

Figure 3

The evolution law of the permeability of artificial CJRM with different columnar dip angles during cyclic loading and unloading of confinement pressure. (a) 0° columnar dip angle. (b) 20° columnar dip angle. (c) 40° columnar dip angle. (d) 50° columnar dip angle. (e) 70° columnar dip angle. (f) 80° columnar dip angle. (g) 90° columnar dip angle. (h) Intact rock sample.

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