Computers and Concrete

Techno-Press (테크노프레스)
권호 표지
DOI QR코드

DOI QR Code

Structural performance assessment of deteriorated reinforced concrete bridge piers

  • Kim, T.H. (Construction Product Technology Team, Samsung Construction & Trading Corporation)
  • Received : 2012.05.09
  • Accepted : 2014.07.26
  • Published : 2014.10.30
⟨ Previous Next ⟩

Abstract

The aim of this study is to assess the structural performance of deteriorated reinforced concrete bridge piers, and to provide method for developing improved evaluation method. For a deteriorated bridge piers, once the cover spalls off and bond between the reinforcement and concrete has been lost, compressed reinforcements are likely to buckle. By using a sophisticated nonlinear finite element analysis program, the accuracy and objectivity of the assessment process can be enhanced. A computer program, RCAHEST (Reinforced Concrete Analysis in Higher Evaluation System Technology), is used to analyze reinforced concrete structures. Material nonlinearity is taken into account by comprising tensile, compressive and shear models of cracked concrete and a model of reinforcing steel. Advanced deteriorated material models are developed to predict behaviors of deteriorated reinforced concrete. The proposed numerical method for the structural performance assessment of deteriorated reinforced concrete bridge piers is verified by comparing it with reliable experimental results. Additionally, the studies and discussions presented in this investigation provide an insight into the key behavioral aspects of deteriorated reinforced concrete bridge piers.

Keywords

References

  1. Bhargava, K., Ghosh, A.K., Mori, Y. and Ramanujam, S. (2006), "Model for cover cracking due to rebar corrosion in RC structures", Eng. Struct., 28(8), 1093-1109. https://doi.org/10.1016/j.engstruct.2005.11.014
  2. Dagher, H.J. and Kulendran S. (1992), "Finite element modeling of corrosion damage in concrete structures", ACI Struct. J., 89(6), 699-708.
  3. Du, Y.G., Clark, L.A. and Chan, A.H.C. (2005a), "Residual capacity of corroded reinforcing bars", Mag. Concrete Res., 57(3), 135-147. https://doi.org/10.1680/macr.2005.57.3.135
  4. Du, Y. G., Clark, L. A. and Chan, A.H.C. (2005b), "Effect of corrosion on ductility of reinforcing bars", Mag. Concrete Res., 57(7), 407-419. https://doi.org/10.1680/macr.2005.57.7.407
  5. Fang, C., Gylltoft, K., Lundgren, K. and Plos, M. (2006), "Effect of corrosion on bond in reinforced concrete under cyclic loading", Cement and Concrete Research, 36(3), 548-555. https://doi.org/10.1016/j.cemconres.2005.11.019
  6. Hanjari, K.Z., Kettil, P. and Lundgren, K. (2011), "Analysis of mechanical behavior of corroded reinforced concrete structures", ACI Struct. J., 108(5), 532-541.
  7. Kim, T.H., Hong, H.K., Chung, Y.S. and Shin, H.M. (2009), "Seismic performance assessment of reinforced concrete bridge piers with lap splices using shaking table tests", Mag. Concrete Res., 61(9), 705-719. https://doi.org/10.1680/macr.2008.61.9.705
  8. Kim, T.H., Kim, Y.J., Kang, H.T. and Shin, H.M. (2007), "Performance assessment of reinforced concrete bridge columns using a damage index", Can. J Civil Eng., 34(7), 843-855. https://doi.org/10.1139/l07-003
  9. Kim, T.H., Lee, K.M., Chung, Y.S. and Shin, H.M. (2005), "Seismic damage assessment of reinforced concrete bridge columns", Eng. Struct., 27(4), 576-592. https://doi.org/10.1016/j.engstruct.2004.11.016
  10. Kim, T.H., Lee, K.M., Yoon, C.Y. and Shin, H.M. (2003), "Inelastic behavior and ductility capacity of reinforced concrete bridge piers under earthquake. I: theory and formulation", J. Struct. Eng., ASCE, 129(9), 1199-1207. https://doi.org/10.1061/(ASCE)0733-9445(2003)129:9(1199)
  11. Lundgren, K. (2002), "Modelling the effect of corrosion on bond in reinforced concrete", Mag. Concrete Res., 54(3), 165-173. https://doi.org/10.1680/macr.2002.54.3.165
  12. Mander, J.B., Priestley, M.J.N. and Park, R. (1988), "Theoretical stress-strain model for confined concrete", J. Struct. Eng., ASCE, 114(8), 1804-1826. https://doi.org/10.1061/(ASCE)0733-9445(1988)114:8(1804)
  13. Ministry of Construction and Transportation (2005), Korea Highway Bridge Design Code.
  14. Naus, D.J., Oland, C.B., Ellingwood, B.R., Graves III, H.L. and Norris, W.E. (1996), "Aging management of containment structures in nuclear power plants", Nuclear Eng. Des., 166(3), 367-379. https://doi.org/10.1016/S0029-5493(96)01254-X
  15. Rodriguez, J., Ortega, L.M. and Casal, J. (1997), "Load carrying capacity of concrete structures with corroded reinforcement", J. Construct. Build. Mater., 11(4), 239-248. https://doi.org/10.1016/S0950-0618(97)00043-3
  16. Shayanfar, M. A., Ghalehnovi, M. and Safiey, A. (2007), "Corrosion effects on tension stiffening behavior of reinforced concrete", Comput. Concr., 4(5), 403-424. https://doi.org/10.12989/cac.2007.4.5.403
  17. Tapan, M. (2007), Strength Evaluation of Deteriorated Reinforced Concrete Bridge Columns, Ph.D. Dissertation, Syracuse University.
  18. Taylor, R.L. (2000), FEAP-A Finite Element Analysis Program, Version 7.2 Users Manual, Volume 1 and Volume 2.
  19. Toongoenthong, K. and Maekawa, K. (2005a), "Multi-mechanical approach to structural performance assessment of corroded RC members in shear", J. Adv. Concrete Tech., 3(1), 107-122. https://doi.org/10.3151/jact.3.107
  20. Toongoenthong, K. and Maekawa, K. (2005b), "Computational performance assessment of damaged RC members with fractured stirrups', J. Adv. Concrete Tech., 3(1), 123-136. https://doi.org/10.3151/jact.3.123

Cited by

  1. Performance assessment of advanced hollow RC bridge column sections vol.16, pp.5, 2015, https://doi.org/10.12989/cac.2015.16.5.703
  2. Transverse reinforcement for confinement at plastic hinge of circular composite hollow RC columns vol.17, pp.3, 2016, https://doi.org/10.12989/cac.2016.17.3.387