1. Lecturer, Dept. of Construction and Real Estate, School of Civil Engineering, Southeast Univ., Nanjing, Jiangsu Province 210096, P. R. China (corresponding author).
2. Engineer, Guangdong Electric Power Design Institute, China Energy Engineering Group, Co. Ltd., Guangzhou, Guangdong Province 510663, P. R. China.
3. Engineer, Zhejiang Shun-fa-heng-ye Co., Ltd., Wan-xiang Group, Hangzhou, Zhejiang Province 311215, P. R. China.
4. Professor, Dept. of Civil and Environmental Engineering, Univ. of Maryland, College Park, MD 20742, U.S.; Visiting Professor, Dept. of Management, Bialystok Univ. of Technology, 16-001 Kleosin, Poland.
5. Professor and Head, Dept. of Construction and Real Estate, School of Civil Engineering, Southeast Univ., Nanjing, Jiangsu Province 210096, P. R. China.