Deformation Differences between Fault Plane, Gouge and Outside Surface under Stress Disturbance and Their Effects on Fault Permeability: Monitoring Based on Optical Fiber Sensing

Lifeng Xu, Chinese Academy of Sciences, Beijing, China, Qi Li, State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, China and Simon Mathias, University of Durham, Durham, United Kingdom