1. Research Associate, Nottingham Centre for Geomechanics, Faculty of Engineering, University of Nottingham, Nottingham, UK
2. Assistant Professor, Institute of Geotechnical Engineering, School of Transportation, Southeast University, Nanjing, China; formerly Faculty of Engineering, University of Nottingham, Nottingham, UK (corresponding author: )
3. Associate Professor, Nottingham Centre for Geomechanics, Faculty of Engineering, University of Nottingham, Nottingham, UK
4. Assistant Professor, Optics and Photonics Group, Faculty of Engineering, University of Nottingham, Nottingham, UK
5. Associate Professor, Optics and Photonics Group, Faculty of Engineering, University of Nottingham, Nottingham, UK