1. Graduate Research Assistant, 521 School of Transportation, Southeast Univ., Nanjing, Jiangsu 211189, China. ORCID: .
2. Assistant Professor, Dept. of Civil Engineering, College of Science, Nanjing Univ. of Science and Technology, Nanjing, Jiangsu 210094, China.
3. Professor, 405 School of Transportation, Southeast Univ., Nanjing, Jiangsu 211189, China (corresponding author).
4. Graduate Research Assistant and Executive Engineer of Pakistan Railways, 625 School of Transportation, Southeast Univ., Nanjing, Jiangsu 211189, China.