1. School of Public Administration, North China University of Water Resources and Electric Power, Zhengzhou 450046, China
2. School of Management and Economics, North China University of Water Resources and Electric Power, Zhengzhou 450046, China
3. Department of Construction Engineering and Management, North China University of Water Resources and Electric Power, Zhengzhou 450046, China
4. Xiaolangdi Project Construction and Management Center, Zhengzhou 450000, China
5. Department of Civil & Architectural Engineering, University of Wyoming, Laramie, WY 82071, USA