1. Ph.D. Student, Dept. of Construction Management, Dalian Univ. of Technology, Dalian 116024, China.
2. Professor, Dept. of Construction Management, Dalian Univ. of Technology, Dalian 116024, China.
3. Associate Professor, Dept. of Construction Management, Dalian Univ. of Technology, Dalian 116024, China (corresponding author).
4. Professor, School of Civil Engineering, Dalian Univ. of Technology, Dalian 116024, China.