1. Ph.D. Candidate, Dept. of Civil Engineering, Tsinghua Univ., Beijing 100084, China.
2. Associate Professor, Dept. of Civil Engineering, Key Laboratory of Civil Engineering Safety and Durability of China Education Ministry, Tsinghua Univ., Beijing 100084, China (corresponding author).
3. Postdoctoral Fellow, Dept. of Civil Engineering, Tsinghua Univ., Beijing 100084, China.
4. Master, China Academy of Urban Construction Co., Ltd., Chegongzhuang West Rd. No. 5, Beijing 100120, China.
5. Professor, Dept. of Civil Engineering, Key Laboratory of Civil Engineering Safety and Durability of China Education Ministry, Tsinghua Univ., Beijing 100084, China.