1. Associate Professor, School of Civil and Environmental Engineering and Geography Science, Ningbo Univ., Ningbo, Zhejiang 315211, China.
2. Research Associate, Dept. of Civil and Environmental Engineering, Univ. of Alberta, Edmonton, AB, Canada T6G 1H9.
3. Professor Emeritus, Dept. of Civil and Environmental Engineering, Univ. of Alberta, Edmonton, AB, Canada T6G 1H9.
4. Professor Emeritus, Dept. of Civil and Environmental Engineering, Univ. of Alberta, Edmonton, AB, Canada T6G 1H9; Professor, School of Civil and Environmental Engineering and Geography Science, Ningbo Univ., Zhejiang 315211, China (corresponding author).