1. Graduate Student, School of Civil Engineering, Tsinghua Univ., Beijing 100084, China.
2. Professor, School of Civil Engineering, Tsinghua Univ., Beijing 100084, China (corresponding author).
3. Senior Manager, Institute of Digital Buildings, Glodon Co. Ltd., Building 13, No. 10 Xibeiwang East Rd., Haidian District, Beijing 100193, China.
4. Chief Specialist, Institute of Digital Buildings, Glodon Co. Ltd., Building 13, No. 10 Xibeiwang East Rd., Haidian District, Beijing 100193, China.