1. College of Civil Engineering, University of South China, Hengyang, China
2. Department of Civil and Environmental Engineering, National University of Singapore, Singapore
3. School of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo, China
4. Key Laboratory for Green & Advanced Civil Engineering Materials and Application Technology of Hunan Province, International Science and Technology Innovation Centre for Green & Advanced Civil Engineering Materials of Hunan Province, College of Civil Engineering, Hunan University, Changsha, China