1. Professor, School of Civil Engineering, Inner Mongolia Univ. of Technology, Hohhot 010051, China; Director, Key Laboratory of Civil Engineering Structure and Mechanics, Inner Mongolia Univ. of Technology, Hohhot 010051, China (corresponding author).
2. Graduate Student, School of Civil Engineering, Inner Mongolia Univ. of Technology, Hohhot 010051, China.
3. Engineer, Inner Mongolia Hohhot New Airport Expressway Management Co., Ltd., Hohhot 010051, China.
4. Graduate Student, School of South China Univ. of Technology, College of Civil Engineering and Transportation, Guangzhou 510000, China.