Seismic Testing of a Model Structure with Semi-Active Resetable Devices (2007)
Type of ContentConference Contributions - Published
PublisherUniversity of Canterbury. Civil and Natural Resources Engineering.
University of Canterbury. Mechanical Engineering.
AuthorsFranco-Anaya, R., Carr, A.J., Mander, J.B., Chase, J.G., Mulligan, K.J., Rodgers, G.W.show all
Semi-active resetable devices have recently been considered to reduce the seismic response of civil engineering structures. Resetable energy dissipation devices are fundamentally hydraulic or pneumatic spring elements that possess the ability to release the stored spring energy at any time. Instead of altering the damping directly, resetable devices nonlinearly alter the stiffness of the structure. This paper describes a series of shaking table tests of a four-storey model structure subjected to seismic excitation. The model structure is a one-fifth scale steel moment-resisting frame and aims to model a typical reinforced concrete frame building. Two semi-active resetable devices were installed in the lateral bracing of the model structure to reduce the seismic response. The devices modified the stiffness of the model structure by following a control algorithm that utilised the measured dynamic response of the structure. The results of the shaking table tests are presented and interpreted.
CitationFranco-Anaya, R., Carr, A.J., Mander, J.B., Chase, J.G., Mulligan, K.J., Rodgers, G.W. (2007) Seismic Testing of a Model Structure with Semi-Active Resetable Devices. Palmerston North, New Zealand: New Zealand Society of Earthquake Engineering 2007 Conference (NZSEE 2007), 30 Mar-1 Apr 2007. Proceedings of the 2007 Annual NZSEE Technical Conference, Paper 13.
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