Computers and Concrete

  • 제5권2호
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  • Pages.135-154
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  • 2008
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  • 1598-8198(pISSN)
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  • 1598-818X(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

A computational platform for seismic performance assessment of reinforced concrete bridge piers with unbonded reinforcing or prestressing bars

  • Kim, T.H. (Civil Engineering Research Team, Daewoo Institute of Construction Technology) ;
  • Park, J.G. (Department of Civil and Environmental Engineering, Sungkyunkwan University) ;
  • Kim, Y.J. (Civil Engineering Research Team, Daewoo Institute of Construction Technology) ;
  • Shin, H.M. (Department of Civil and Environmental Engineering, Sungkyunkwan University)
  • 투고 : 2006.12.05
  • 심사 : 2008.03.12
  • 발행 : 2008.04.25
⟨ 이전 논문 다음 논문 ⟩

초록

This paper presents a nonlinear finite element analysis procedure for the seismic performance assessment of reinforced concrete bridge piers with unbonded reinforcing or prestressing bars. A computer program named RCAHEST (Reinforced Concrete Analysis in Higher Evaluation System Technology) is used to analyze reinforced concrete structures; this program was also used in our study. Tensile, compressive and shear models of cracked concrete and models of reinforcing and prestressing steel were used account for material nonlinearity of reinforced concrete. The smeared crack approach was incorporated. To represent the interaction between unbonded reinforcing or prestressing bar and concrete, an unbonded reinforcing or prestressing bar element based on the finite element method was developed in this study. The proposed numerical method for the seismic performance assessment of reinforced concrete bridge piers with unbonded reinforcing or prestressing bars is verified by comparison of its results with reliable experimental results.

키워드

참고문헌

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  18. 현행설계법 및 하중저항계수설계법에 의한 완전 조립식 교량 하부구조의 설계결과 비교 vol.15, pp.2, 2008, https://doi.org/10.5000/eesk.2011.15.2.011
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  20. Hollow bridge columns with triangular confining reinforcement vol.46, pp.6, 2019, https://doi.org/10.1139/cjce-2018-0353
  21. Experimental investigation into cyclic working performances of prefabricated CFST columns with improved column-footing connections vol.46, pp.None, 2008, https://doi.org/10.1016/j.jobe.2021.103772