1. Professor, School of Civil Engineering and Architecture, Henan Univ., Kaifeng, Henan 475004, China.
2. Master’s Student, School of Civil Engineering and Architecture, Henan Univ., Kaifeng, Henan 475004, China.
3. Lecturer, School of Civil Engineering and Architecture, Henan Univ., Kaifeng, Henan 475004, China.
4. Lecturer, School of Economics, Henan Univ., Kaifeng, Henan 475004, China (corresponding author).