1. Casual Academic, Former Doctoral Research Scholar, Geotechnical Engineering Center, School of Civil Engineering, Univ. of Queensland, St Lucia, 4072 QLD, Australia (corresponding author).
2. Professor, Geotechnical Engineering Center, School of Civil Engineering, Univ. of Queensland, St Lucia, 4072 QLD, Australia.
3. Professor, School of Engineering, Westlake Univ., Shilongshan Road No.18, Cloud Town, Xihu District, Hangzhou, Zhejiang, China.