1. Key Laboratory of Road and Traffic Engineering, Ministry of Education; Tongji University; 4800#, Caoan Avenue Shanghai 201804 China
2. School of Transportation; Wuhan University of Technology; 1178#, Heping Avenue Wuhan Hubei 430063 China
3. Key Laboratory of Transportation Tunnel Engineering, Ministry of Education; Southwest Jiaotong University; 111#, North Section 1, Erhuan Road Chengdu, Sichuan 610031 China