1. Master’s Candidate, Key Laboratory for Special Region Highway Engineering of Ministry of Education, Chang’an Univ., Xi’an, Shaanxi, China.
2. Professor, Key Laboratory for Special Region Highway Engineering of Ministry of Education, Chang’an Univ., Xi’an, Shaanxi, China (corresponding author).
3. Ph.D. Candidate, Key Laboratory for Special Region Highway Engineering of Ministry of Education, Chang’an Univ., Xi’an, Shaanxi, China; Dept. of Civil and Environmental Engineering, Univ. of Waterloo, Waterloo, ON, Canada.