已有的理论研究表明，多孔介质孔隙流体压力对岩石的变形和破坏存在一定影响，不同岩石其影响程度不同。
The existing studies have shown that the pore fluid pressure of porous media has some effects on the deformation and damage of rock, and the influential level is distinct to different rock masses.
考虑到可变形多孔介质的渗透系数依赖于孔隙变形的特点，建立了一维孔隙压力生成的力学模型；
Accounting for the characters that the permeabilities of deformable porous media vary with its deformation, the machamical model for forming one-dimensional pore pressure is established.
介质变形对火山岩气藏渗透率影响较大，而对孔隙度影响较小。
Media deformation has great effect on permeability while it has little effect on porosity.
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