Pore pressure matters for compaction band

Our new multiscale study published in #EngineeringGeology of @Elsevier_Eng shows excess pore pressure change can lead to transitional evolution of deformation band patterns in saturated sandstone, e.g., from #CompactionBand to #ShearBand as shown above. We demonstrate the classic effective stress should be used in conjunction with porosity as key state variables for studying compaction bands in saturated sandstones. The paper can be freely accessed for 50 days via the following link: https://authors.elsevier.com/a/1ZiZd38lp9OUC