[1]Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering, Hohai University, Nanjing 210098, China;
[2]Research Institute of Geotechnical Engineering, Hohai University, Nanjing 210098, China;
[3]Department of Physics, University of Toronto, Toronto, M5S 1A7, Canada;
[4]Department of Civil & Environmental Engineering, University of Waterloo, Waterloo, N2L 3G1, Canada;