1. Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang’an Univ., Middle Section of South Erhuan, Xi’an, Shaanxi 710064, China; Associate Professor, School of Civil Engineering, Lanzhou Univ. of Technology, No. 287, Langongping Rd., Qilihe District, Lanzhou, Gansu 730050, China.
2. Professor, Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang’an Univ., Middle Section of South Erhuan, Xi’an, Shaanxi 710064, China (corresponding author).
3. Lecturer, School of Civil Engineering, Lanzhou Univ. of Technology, No. 287, Langongping Rd., Qilihe District, Lanzhou, Gansu 730050, China; Doctoral Candidate, Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang’an Univ., Middle Section of South Erhuan, Xi’an, Shaanxi 710064, China.
4. Senior Engineer, Shandong Hi-Speed Group, No. 8, Longao North Rd., Lixia District, Jinan, Shandong 250098, China.
5. Associate Professor, School of Civil Engineering, Southwest Forestry Univ., Kunming, Yunnan 650224, China.