1. College of Environment and Civil Engineering, Chengdu University of Technology, Chengdu, Sichuan 610059, China
2. Business School, Sichuan University, Chengdu, Sichuan 610065, China
3. Department of Engineering Management, Sichuan College of Architectural Technology, Deyang, Sichuan 618000, China
4. School of Civil and Architecture Engineering, Zhengzhou University of Aeronautics, Zhengzhou, Henan 450015, China