Journal of the Earthquake Engineering Society of Korea (한국지진공학회논문집)

Earthquake Engineering Society of Korea (한국지진공학회)
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Load-displacement Response of Gravity Load Designed Reinforced Concrete Moment Frames with Various Height of Masonry Infill Walls

조적채움벽 높이에 따른 철근콘크리트 중력골조의 하중-변위 응답

  • Han, Ji Min (Department of Architecture Engineering, Hanyang University) ;
  • Lee, Chang Seok (Department of Architectural Engineering, Hanyang University) ;
  • Han, Sang Whan (Department of Architectural Engineering, Hanyang University)
  • 한지민 (한양대학교 건축공학과 대학원) ;
  • 이창석 (한양대학교 건축공학과) ;
  • 한상환 (한양대학교 건축공학과)
  • Received : 2019.09.25
  • Accepted : 2019.12.05
  • Published : 2020.01.01
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Abstract

Lightly reinforced concrete (RC) moment frames may suffer significant damage during large earthquake events. Most buildings with RC moment frames were designed without considering seismic loads. The load-displacement response of gravity load designed frames could be altered by masonry infill walls. The objective of this study is to investigate the load-displacement response of gravity load designed frames with masonry infill walls. For this purpose, three-story gravity load designed frames with masonry infill walls were considered. The masonry infilled RC frames demonstrated larger lateral strength and stiffness than bare RC frames, whereas their drift capacity was less than that of bare frames. A specimen with a partial-height infill wall showed the least drift capacity and energy dissipation capacity. This specimen failed in shear, whereas other specimens experienced a relatively ductile failure mode (flexure-shear failure).

Keywords

References

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