Stress sensitivity of rock is closely related to its compressibility. 岩石的应力敏感程度与岩石的压缩系数之间存在密切的关系。
And then, underground coal porositycalculation method and variational characteristic of coal effective pore volume compressibility are discussed. 进而探讨了煤岩地下孔隙度的计算方法和煤岩有效孔隙体积压缩系数的变化特征。