This paper combines porosity change and compression coefficient with the help of compression proposed by Zimmerman. It proves theoretically the porosity change of rock in the process of elastic deformation.

• 借助于Zimmerman提出的压缩系数及其相关关系,将孔隙度变化与压缩系数结合起来,从理论上证明了岩石在弹性变形过程中孔隙度的变化情况。