1. Research Fellow, Nottingham Centre for Geomechanics, Univ. of Nottingham, Nottingham NG7 2RD, UK; formerly, Ph.D. Student, Schofield Centre, Dept. of Engineering, Univ. of Cambridge, Cambridge CB3 0EF, UK (corresponding author). ORCID: .
2. Professor of Civil Engineering and Director of Schofield Centre, Dept. of Engineering, Univ. of Cambridge, Cambridge CB3 0EF, UK.