1. School of Civil Engineering, Southwest Jiaotong University, Chengdu, People’s Republic of China
2. Key Laboratory for Highway Engineering of Sichuan Province, Southwest Jiaotong University, Chengdu, People’s Republic of China
3. School of Civil Engineering, Faculty of Engineering and Physical Sciences, University of Leeds, Leeds, UK
4. Department of Computing and Artificial Intelligence, Southwest Jiaotong University, Chengdu, People’s Republic of China