Journal of Korean Association for Spatial Structures (한국공간구조학회논문집)

Korean Association for Spatial Structures (한국공간구조학회)
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Dynamic Behavior Characteristics According to Arch Types of Arched Stone Bridge Subjected to Seismic Load

지진 하중을 받는 홍예교의 아치 형태에 따른 동적 거동 특성

  • Kim, Ho-Soo (Dept. of Architectural Engineering, Cheongju University) ;
  • Lee, Seung-Hee (Dept. of Architectural Engineering, Cheongju University) ;
  • Jeon, Gun-Woo (Dept. of Architectural Engineering, Cheongju University) ;
  • Bang, Hyeok-Kyu (Dept. of Architectural Engineering, Cheongju University)
  • Received : 2018.04.23
  • Accepted : 2018.05.15
  • Published : 2018.09.15
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Abstract

The arched stone bridge has been continuously deteriorated and damaged by the weathering and corrosion over time, and also natural disaster such as earthquake has added the damage. However, masonry stone bridge has the behavior characteristics as discontinuum structure and is very vulnerable to lateral load such as earthquake. So, it is necessary to analyze the dynamic behavior characteristics according to various design variables of arched stone bridge under seismic loads. To this end, the arched stone bridge can be classified according to arch types, and then the discrete element method is applied for the structural modelling and analysis. In addition, seismic loads according to return periods are generated and the dynamic analysis considering the discontinuity characteristics is carried out. Finally, the dynamic behavior characteristics are evaluated through the structural safety estimation for slip condition.

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References

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