1. Ph.D. Student, School of Materials Science and Engineering, Southeast Univ., Nanjing 211189, China.
2. Professor, College of Architectural Science and Engineering, Yangzhou Univ., Yangzhou 225127, China.
3. Associate Professor, Dept. of Civil Engineering, Shanghai Univ., Shanghai 200444, China.
4. Associate Professor, College of Architectural Science and Engineering, Yangzhou Univ., Yangzhou 225127, China (corresponding author).