1. Associate Professor, College of Civil Engineering and Architecture, Zhejiang Univ. of Technology, Hangzhou 310014, P.R. China (corresponding author).
2. Professor, School of Material Science and Engineering, Jiangsu Key Laboratory of Construction Materials, Southeast Univ., Nanjing 211189, P.R. China.
3. Associate Professor, College of Civil Engineering and Architecture, Zhejiang Univ. of Technology, Hangzhou 310014, P.R. China.