1. Engineering Research Center of Rock-Soil Drilling & Excavation and Protection, Ministry of Education, Faculty of Engineering, China University of Geosciences, Wuhan, Hubei, China
2. Guangxi Key Laboratory of Disaster Prevention and Structural Safety, College of Civil Engineering and Architecture, Guangxi University, Nanning, Guangxi, China
3. Geotechnical Research Centre, Department of Civil and Environmental Engineering, Western University, London, ON, Canada
4. School of Civil Engineering, Sun Yat-sen University, Zhuhai, Guangdong, China