1. College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, China
2. State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China
3. School of Civil Engineering, Purdue University, West Lafayette, USA
4. Department of Civil Engineering, National Central University, Taoyuan County, Taiwan, China
5. National Center for Research on Earthquake Engineering, Taipei, Taiwan, China