1. Lecturer, School of Civil Engineering and Architecture, Hubei Univ. of Arts and Science, Xiangyang, Hubei 441053, China.
2. Lecturer, School of Civil Engineering and Architecture, Hubei Univ. of Arts and Science, Xiangyang, Hubei 441053, China (corresponding author).
3. Professor, Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang’an Univ., Middle Section of Nan’er Huan Rd., Xi’an, Shaanxi 710064, China.
4. Senior Engineer, Shanxi Province Transportation Technology Research and Development Co., Ltd., 27 Wuluo St., Economic and Technological Park, Taiyuan, Shanxi 030032, China.