Experimental Study of Full-Scale Self-Centering Sliding Hinge Joint Connections with Friction Ring Springs |
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| Authors: | Hsen-Han Khoo Charles Clifton John Butterworth Gregory MacRae |
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| Affiliation: | 1. Department of Civil and Environmental Engineering , The University of Auckland , Auckland , New Zealand;2. Aurecon New Zealand , Wellington , New Zealand h.khoo@auckland.ac.nz;4. Department of Civil and Environmental Engineering , The University of Auckland , Auckland , New Zealand;5. Department of Civil and Natural Resources Engineering , University of Canterbury , Christchurch , New Zealand |
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| Abstract: | This article presents 10 tests on a self-centering Sliding Hinge Joint (SHJ) subassembly. The flexural capacity was generated with a combination of ring springs and Asymmetric Friction Connections, with the proportion varied between tests. The joints produced stable and repeatable hysteretic behavior and minimal damage to the floor slab, with self-centering capability improving with increasing ring spring contribution. There was negligible difference between tests undertaken at static and seismic-dynamic rates of loading. The SHJ had a 20% reduction in strength under a near fault pulse type motion. A simple mathematical model of the SCSHJ rotational behavior is also developed. |
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| Keywords: | Frames Self-centering Connections Energy Dissipation Seismic Design |
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