Seismic Performance Assessment of Hollow Circular Reinforced Concrete Bridge Columns with Confinement Steel

중공원형 철근콘크리트 교각의 횡방향철근에 따른 내진성능평가

  • 김태훈 (삼성물산(주) 건설부문 기반기술연구소) ;
  • 강형택 (한국도로공사 도로교통연구원)
  • Received : 2011.10.31
  • Accepted : 2011.12.12
  • Published : 2012.02.29


The purpose of this study was to investigate the seismic behavior of hollow circular reinforced concrete bridge columns with confinement steel, and to develop improved seismic design criteria. Three hollow circular columns were tested under a constant axial load and a quasi-static, cyclically reversed horizontal load. The accuracy and objectivity of the assessment process can be enhanced by using a sophisticated nonlinear finite element analysis program. The numerical method used gives a realistic prediction of the seismic performance throughout the loading cycles for the several test specimens investigated. Based on the experimental and analytical results, design recommendations are presented to improve current practice in the design and construction of hollow circular reinforced concrete bridge columns.


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