1. Ph.D. Student, Geotechnical and Structural Engineering Research Center, Shandong Univ., Jinan 250061, China.
2. Professor, Geotechnical and Structural Engineering Research Center, Shandong Univ., Jinan 250061, China; Research Institute of New Material and Intelligent Equipment, Shandong Univ., Dezhou 251100, China (corresponding author).
3. Ph.D. Student, School of Mechanical, Aerospace and Civil Engineering, Univ. of Manchester, Manchester M13 9PL, UK.