1. Key Laboratory of Building Safety and Energy Efficiency of the Ministry of Education, Hunan University, Changsha, P.R. China
2. College of Civil Engineering, Hunan University, Changsha, Hunan, P.R. China
3. College of Civil Engineering, Hunan City University, Yiyang, Hunan, P.R. China
4. School of Architecture, Building and Civil Engineering, Loughborough University, Leicestershire, UK
5. Department of Civil, Architectural and Environmental Engineering, The University of Texas at Austin, Austin, Texas, USA