1. School of Civil Engineering, Southwest Jiaotong University, Chengdu, People’s Republic of China
2. The Key Laboratory of Road and Traffic Engineering, Tongji University, Shanghai, People’s Republic of China
3. School of Highway, Chang’an University, Xi’an, People’s Republic of China
4. College of Mechanical and Electrical Engineering, Beijing University of Chemical Technology, Beijing, People’s Republic of China
5. Department of Civil and Environmental Engineering, University of Wisconsin–Madison, Madison, WI, USA