Earthquakes and Structures

  • 제9권3호
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  • Pages.541-562
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  • 2015
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  • 2092-7614(pISSN)
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  • 2092-7622(eISSN)
테크노프레스 (Techno-Press)
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Cyclic shear test on a dowel beam-to-column connection of precast buildings

  • Magliulo, Gennaro (Department of Structures for Engineering and Architecture, University of Naples Federico II) ;
  • Ercolino, Marianna (Department of Structures for Engineering and Architecture, University of Naples Federico II) ;
  • Cimmino, Maddalena (Department of Structures for Engineering and Architecture, University of Naples Federico II) ;
  • Capozzi, Vittorio (Enel Green Power) ;
  • Manfredi, Gaetano (Department of Structures for Engineering and Architecture, University of Naples Federico II)
  • 투고 : 2014.11.01
  • 심사 : 2015.04.06
  • 발행 : 2015.09.25
⟨ 이전 논문 다음 논문 ⟩

초록

This paper aims at developing the knowledge on the seismic behavior of dowel beam-to-column connections, typically employed in precast buildings in Europe. Despite the large diffusion of the industrial buildings, a high seismic vulnerability was exhibited by these structures, mostly due to the connection systems deficiencies, during some recent earthquakes (Emilia 2012, Turkey 2011). An experimental campaign was conducted on a typical dowel connection between an external column and a roof beam. In this paper, the performed cyclic shear test is described. According to the experimental results, the seismic response of the system is evaluated in terms of strength, stiffness and failure mechanism. Moreover, the complete damage pattern of the test is described by means of the instrumentations records. The connection failure occurred due to the concrete cover failure in the column (splitting failure). Such a mechanism corresponds to a negligible energy dissipation capacity of the connection, compared to the overall seismic response of the structure. The experimental results are also compared with the results of a similar monotonic shear test, as well as with some literature relationships for predicting the strength of dowel connections under horizontal (seismic) loads.

키워드

참고문헌

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