1. Professor, Dept. of Civil Engineering, Zhejiang Univ., Hangzhou 310058, China; Professor, Center for Balance Architecture, Zhejiang Univ., Hangzhou 310007, China.
2. Graduate Student, ChongQing Transportation and Engineering Consultants Co., Chongqing 401121, China.
3. Graduate Student, Dept. of Civil Engineering, Zhejiang Univ., Hangzhou 310058, China.
4. Research Professor, Dept. of Civil Engineering, Zhejiang Univ., Hangzhou 310058, China; Research Professor, Center for Balance Architecture, Zhejiang Univ., Hangzhou 310007, China (corresponding author).