| 英文摘要 |
Post-tensioned seismic building systems have the advantage of re-centering after the effects of earthquake ground accelerations, thereby eliminating permanent drift and reducing the need for demolishing a building after an earthquake. However, past research on this type of structural system is rather limited. Recently, coordinated research programs have been launched in the US and Taiwan to address various issues on post-tensioned seismic building systems. In both these joint research efforts, national and international collaborations have been emphasized in order to promote the effective use of laboratory and human resources. It is believed that through the collaboration between university professors, graduate students and practitioners, the advancement of knowledge and dissemination of research results can be accelerated. This year, which is the third stage, the main issues are focused on the seismic behaviors of the post-tensioned frame with different energy-dissipating device and beam-to-column connections with slabs, including the post-tensioned RCS moment frame, the post-tensioned precast RC wall, the self-centering steel moment resisting frame with supplemental column, the post-tensioned steel beam to CFT column connections with concrete slabs, post-tensioned steel beam-to-column joints with friction type energy, and the post-tensioned RC beam-to-column connections with slabs. In addition to the experimental investigations, analytical approaches were employed to grasp the earthquake responses of the structural components and systems. It was expected that through this project, related researches on this new structural system could be coordinated efficiently. |
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