Abstract
After the Northridge and Kobe Earthquakes important experimental programs on beam-to-column connections were developed because of brittle fractures at welded beam-to-column connections. A number of studies are being carried out on a variety of materials and systems that dissipate the seismic loading effects in order to improve the seismic performance of steel frames. In this study, a slit metallic damper system was developed to prevent the damage formation of columns and beams by dissipating lateral loads at the beam to column connections of steel frames. Therefore, the columns and beams of steel frames will not be damaged after a heavy earthquake, and the structures might be put into the service again simply by replacing the dampers at the connection sites. The seismic performance of the studied connection was verified through cyclic tests of two full-scale steel frames that had slit dampers and of one specimen that had a conventional extended end-plate connection. Test results indicated that the proposed connection showed a good hysteretic behavior, a good energy dissipation capacity and good rigidity. However, plastic deformation is limited to the slit dampers at the bottom flange of the beam ends, while the inelastic behavior of the beams and columns is prevented.
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References
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© 2013 Springer-Verlag Berlin Heidelberg
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Köken, A., Köroğlu, M.A. (2013). Use of Steel Slit Dampers in Beam to Column Connections of Steel Frame Structures. In: Jármai, K., Farkas, J. (eds) Design, Fabrication and Economy of Metal Structures. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-36691-8_46
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DOI: https://doi.org/10.1007/978-3-642-36691-8_46
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-36690-1
Online ISBN: 978-3-642-36691-8
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