1. Professor, College of Civil Engineering and Ministry of Education Key Laboratory of Building Safety and Energy Efficiency, Hunan Univ., Hunan 410082, People’s Republic of China (corresponding author).
2. Ph.D. Candidate, College of Civil Engineering, Hunan Univ., Hunan 410082, People’s Republic of China; and Assistant Professor, Dept. of Civil Engineering, Guangxi Univ. of Technology, Guangxi 545006, People’s Republic of China.
3. Professor, Dept. of Mechanical Engineering, Univ. of Houston, Houston, TX 77204-4006.