1. Professor in Residence, School of Civil Engineering, Shandong Univ., Jinan, Shandong 250061, China; Associate Professor, Dept. of Civil and Environmental Engineering, California Polytechnic State Univ., San Luis Obispo, CA 93407 (corresponding author).
2. Research Assistant, School of Civil Engineering, Shandong Univ., Jinan, Shandong 250061, China.
3. Professor, School of Civil Engineering, Shandong Univ., Jinan, Shandong 250061, China.
4. Assistant Professor, School of Civil Engineering, Shandong Univ., Jinan, Shandong 250061, China.
5. Assistant Professor, College of Urban Construction and Safety Engineering, Shanghai Institute of Technology, Shanghai 201418, China.