1. 1Zhejiang University-University of Illinois at Urbana-Champaign Institute, Haining, China
2. 2Key Laboratory of Building Collapse Mechanism and Disaster Prevention, Institute of Disaster Prevention, China Earthquake Administration, Sanhe, China
3. 3School of Civil Engineering, Dalian Jiaotong University, Dalian, China
4. 4Central South University, Changsha, China