Research Article

Variation in the Permeability of Intact and Fractured Rocks due to Transient Disturbances in Axial Stress or Pore Pressure

Figure 11

(a) Stress-strain curves and (b) maximum stress (σmax) vs. amplitudes of the pore pressure disturbances (ΔPP) of the Kushiro Cretaceous sandstone.
(a)
(b)