SHAKE-TABLE TESTING OF HYBRID POST-TENSIONED PRECAST WALL SYSTEMS WITH ALTERNATIVE DISSIPATING SOLUTIONS
It is fast becoming common practice for civil engineering infrastructure and building structures to be designed to achieve a set of performance objectives. To do so, consideration is now being given to systems capable of sustaining minimal damage after an earthquake while still being cost competitive. This has led to the development of high performance seismic resisting systems, followed by advances in design methodologies. The paper presents the experimental response of four pre-cast, post-tensioned rocking walls with high-performing dissipating solutions tested on the shake-table at the University of Canterbury. The wall systems were designed as a retrofit solution for an existing frame building however, can also be used for the design of new, high-performance structures. The use of externally mounted dampers allowed numerous dissipation schemes to be explored including mild-steel dampers (hysteretic dampers), viscous dampers, a combination of both or no dampers. The advantages of both velocity and displacement dependant dissipation was investigated for protection against strong ground motions with differing rupture characteristics i.e. far-field and near-field events. The experimental results are used to verify a proposed displacement-based design procedure for post-tensioned rocking systems with supplementary hysteretic and viscous dissipation. The predicted response compared well with the measured shake-table response.
Post-tensioning dissipation shake-table high performance
D.J. Marriott S. Pampanin A. Palermo D. Bull
Ph.D. Candidate, Dept. of Civil and Natural Resources Engineering, University of Canterbury. New Zea Senior Lecturer, Dept. of Civil and Natural Resources Engineering, University of Canterbury. New Zea Assistant Professor, Dept. of Structural Engineering, Politecnico di Milano, Milan.Italy Adjunct Professor, Dept. of Civil and Natural Resources Engineering, University of Canterbury. New Z
国际会议
14th World Conference on Earthquake Engineering(第十四届国际地震工程会议)
北京
英文
2008-10-12（万方平台首次上网日期，不代表论文的发表时间）