Computers and Concrete

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Deformation-based Strut-and-Tie Model for reinforced concrete columns subject to lateral loading

  • Hong, Sung-Gul (Department of Architecture and Architectural Engineering, Seoul National University) ;
  • Lee, Soo-Gon (Samsung C&T) ;
  • Hong, Seongwon (Department of Architecture and Architectural Engineering, Seoul National University) ;
  • Kang, Thomas H.K. (Department of Architecture and Architectural Engineering, Seoul National University)
  • Received : 2015.09.25
  • Accepted : 2015.12.01
  • Published : 2016.02.25
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Abstract

This paper presents a Strut-and-Tie Model for reinforced concrete (RC) columns subject to lateral loading. The proposed model is based on the loading path for the post-yield state, and the geometries of struts and tie are determined by the stress field of post-yield state. The analysis procedure of the Strut-and-Tie Model is that 1) the shear force and displacement at the initial yield state are calculated and 2) the relationship between the additional shear force and the deformation is determined by modifying the geometry of the longitudinal strut until the ultimate limit state. To validate the developed model, the ultimate strength and associated deformation obtained by experimental results are compared with the values predicted by the model. Good agreements between the proposed model and the experimental data are observed.

Keywords

Acknowledgement

Supported by : National Research Foundation of Korea (NRF)

References

  1. ACI Committee 318 (2014), Building code requirements for structural concrete (ACI 318-14) and commentary (ACI 318R-14, Farmington Hills, Mich., American Concrete Institute.
  2. Chun, S.C. (2014), "Effects of joint aspect ratio on required transverse reinforcement of exterior joints subjected to cyclic loading", Comput. Concrete, 7(5), 705-718.
  3. Hong, S.G., Lee, S.G. and Kang, T.H.K, (2011), "Deformation-based Strut-and-Tie Model for interior joints of frames subject to load reversal", ACI Struct. J., 108(4), 423-433.
  4. Kassem, W. (2015), "Strength prediction of corbels using Strut-and-Tie Model analysis", Int. J. Concrete Struct. Mater., 9(2), 255-266. https://doi.org/10.1007/s40069-015-0102-y
  5. Kim, T.H., Cheon, J.H. and Shin, H.M. (2012), "Evaluation of behavior and strength of prestressed concrete deep beams using nonlinear analysis", Comput. Concrete, 9(1), 63-79. https://doi.org/10.12989/cac.2012.9.1.063
  6. Priestley, M.J.N., Seible, F., Xiao, Y. and Verma, R. (1994a), "Steel jacket retrofitting of reinforced concrete bridge columns for enhanced shear strength-part 1: theoretical considerations and test design", ACI Struct. J., 91(4), 394-405.
  7. Priestley, M.J.N., Seible, F., Xiao, Y. and Verma, R. (1994b), "Steel jacket retrofitting of reinforced concrete bridge columns for enhanced shear strength-part 2: test results and comparison with theory", ACI Struct. J., 91(5), 537-551.
  8. Tjhin, T.N. and Kuchma, D.A. (2004), Nonlinear analysis of discontinuity regions by Strut-and-Tie method in concrete structures, the Challenge of Creativity, Avignon, France.
  9. To, N.H.T., Ingham, J.M. and Sritharan, S. (2000), "Cyclic strut and tie modeling of simple reinforced concrete structures", Proceedings of the 12th World Conference on Earthquake Engineering, 1249.
  10. Vecchio, F.J. and Collins, M.P. (1986), "The modified compression field theory for reinforced concret elements subjected to shear", ACI J. Proc., 83(2), 219-23.

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