Journal of the Earthquake Engineering Society of Korea (한국지진공학회논문집)

Earthquake Engineering Society of Korea (한국지진공학회)
권호 표지
DOI QR코드

DOI QR Code

Structural Performance Assessment of Damaged Reinforced Concrete Structures

손상된 철근콘크리트 구조물의 구조성능평가

  • 김태훈 (삼성물산(주) 건설부문 기반기술연구소) ;
  • 김영진 ((주)대우건설 기술연구원)
  • Received : 2010.05.03
  • Accepted : 2010.10.08
  • Published : 2011.02.28
Download PDF
⟨ Previous Next ⟩

Abstract

In this study, nonlinear finite element analysis procedures are presented for the structural performance assessment of damaged reinforced concrete structures. A computer program, named RCAHEST (Reinforced Concrete Analysis in Higher Evaluation System Technology), for the analysis of reinforced concrete structures was used. Material nonlinearity is taken into account by comprising tensile, compressive and shear models of cracked concrete and a model of reinforcing steel. This paper defines a damage index based on the predicted inelastic behavior of reinforced concrete structures. The proposed numerical method for the structural performance of damaged reinforced concrete structures is verified by comparison with reliable experimental results.

이 연구에서는 손상된 철근콘크리트 구조물의 구조성능평가를 위한 비선형 유한요소해석 기법을 제시하였다. 사용된 프로그램은 철근콘크리트 구조물의 해석을 위한 RCAHEST이다. 재료적 비선형성에 대해서는 균열콘크리트에 대한 인장, 압축, 전단모델과 콘크리트 속에 있는 철근모델을 조합하여 고려하였다. 그리고 철근콘크리트 구조물의 비탄성거동의 예측에 근거한 손상지수를 제시하였다. 이 연구에서는 손상된 철근콘크리트 구조물의 구조성능을 파악하기 위해 제안한 해석기법을 신뢰성 있는 연구자의 실험결과와 비교하여 그 타당성을 검증하였다.

Keywords

References

  1. 고현무, 조근희, 조호현, “경년 열화를 고려한 철근콘크리트 구조물의 지진응답해석,” 한국지진공학회 춘계학술대회 논문집, 239-247, 2001.
  2. Toongoenthong, K., and Maekawa, K., “Interaction of Pre-Induced Damages along Main Reinforcement and Diagonal Shear in RC Members,” Journal of Advanced Concrete Technology, Vol. 2, No. 3, 431-443, 2004. https://doi.org/10.3151/jact.2.431
  3. Toongoenthong, K., and Maekawa, K., “Multi-Mechanical Approach to Structural Performance Assessment of Corroded RC Members in Shear,” Journal of Advanced Concrete Technology, Vol. 3, No. 1, 107-122, 2005. https://doi.org/10.3151/jact.3.107
  4. 김길수, 변근주, 송하원, 이창홍, “균열 및 철근부식에 의해 열화된 콘크리트 구조물의 성능저하해석,” 한국콘크리트학회 봄 학술발표회 논문집, 제17권, 1호, 163-166, 2005.
  5. 송하원, 유동우, 변근주, “정적 반복하중을 받는 노후된 철근크리트 T형교의 파괴해석,” 한국콘크리트학회논문집, 제10권, 6호, 291-301, 1998.
  6. Rodriguez, J., Ortega, L. M., and Casal, J., “Load carrying Capacity of Concrete Structures with Corroded Reinforcement,” Journal of Construction and Building Materials, 11(4), 239-248, 1997. https://doi.org/10.1016/S0950-0618(97)00043-3
  7. Miyagawa, T., “Safety Evaluation of Structures with Ruptured Reinforcing Bars by ASR (Intermediate Report),” Journal of JSCE, Vol. 88, 83-84, 2003.
  8. 김태훈, “비선형 유한요소해석을 이용한 철근콘크리트 교각의 내진성능평가,” 박사학위논문, 성균관대학교, 2003.
  9. Kim, T. H., Lee, K. M., Yoon, C. Y., and Shin, H. M., “Inelastic Behavior and Ductility Capacity of Reinforced Concrete Bridge Piers under Earthquake. I: Theory and Formulation,” Journal of Structural Engineering, ASCE, Vol. 129, No. 9, 1199-1207, 2003. https://doi.org/10.1061/(ASCE)0733-9445(2003)129:9(1199)
  10. Kim, T. H., Lee, K. M., Chung, Y. S., and Shin, H. M., “Seismic Damage Assessment of Reinforced Concrete Bridge Columns,” Engineering Structures, Vol. 27, No. 4, 576-592, 2005. https://doi.org/10.1016/j.engstruct.2004.11.016
  11. Kim, T. H., Kim, Y. J., Kang, H. T., and Shin, H. M., “Performance Assessment of Reinforced Concrete Bridge Columns Using a Damage Index,” Canadian Journal of Civil Engineering, V. 34, No. 7, 843-855, 2007. https://doi.org/10.1139/L07-003
  12. Kim, T. H., Hong, H. K., Chung, Y. S., and Shin, H. M., “Seismic Performance Assessment of Reinforced Concrete Bridge Columns with Lap Splices Using Shaking Table Tests,” Magazine of Concrete Research, V. 61, No. 9, 705-719, 2009. https://doi.org/10.1680/macr.2008.61.9.705
  13. Taylor, R. L., FEAP - A Finite Element Analysis Program, Version 7.2, Users Manual, Volume 1 and Volume 2, 2000.
  14. Okamura, H., Maekawa, K., and Sivasubramaniyam, S., “Verification of Modeling for Reinforced Concrete Finite Element,” Finite Element Analysis of Reinforced Concrete Structures, ASCE, 528-543, 1985.
  15. Shin, H. M., ''Finite Element Analysis of Reinforced Concrete Members Subjected to Reversed Cyclic In-plane Loadings,” Ph.D. Thesis, University of Tokyo, 1988.
  16. Shima, H., Chou, L., and Okamura, H., “Micro and Macro Models for Bond Behavior in Reinforced Concrete,” Journal of the Faculty of Engineering, University of Tokyo (B), Vol. 39, No. 2, 133-194, 1987.
  17. Toongoenthong, K., and Maekawa, K., “Computational Performance Assessment of Damaged RC Members with Fractured Stirrups,” Journal of Advanced Concrete Technology, Vol. 3, No. 1, 123-136, 2005. https://doi.org/10.3151/jact.3.123
  18. Maekawa, K., Ishida, T., and Kishi, T., Multi-Scale Modeling of Structural Concrete, Taylor and Francis, London, 2009.