1. Professor, School of Civil Engineering, Changsha Univ. of Science and Technology, Changsha 410114, China.
2. Doctoral Student, School of Civil Engineering, Changsha Univ. of Science and Technology, Changsha 410114, China.
3. Professor, School of Civil Engineering, Changsha Univ. of Science and Technology, Changsha 410114, China (corresponding author).
4. Master, School of Civil Engineering, Changsha Univ. of Science and Technology, Changsha 410114, China.
5. YueYang SanHe Investment Management of Airport Construction Co. Ltd., Airport Ave., Airport New Village, Yueyang 414000, China.
6. Professor, College of Engineering, Swansea Univ., Swansea SA1 8EN, UK.