Computers and Concrete

  • 제15권4호
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  • Pages.687-707
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  • 2015
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  • 1598-8198(pISSN)
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  • 1598-818X(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Time dependent finite element analysis of steel-concrete composite beams considering partial interaction

  • Dias, Maiga M. (Department of Civil Engineering, Engineering School, Federal University of Rio Grande do Sul) ;
  • Tamayo, Jorge L.P. (Department of Civil Engineering, Engineering School, Federal University of Rio Grande do Sul) ;
  • Morsch, Inacio B. (Department of Civil Engineering, Engineering School, Federal University of Rio Grande do Sul) ;
  • Awruch, Armando M. (Department of Civil Engineering, Engineering School, Federal University of Rio Grande do Sul)
  • 투고 : 2014.03.31
  • 심사 : 2015.02.11
  • 발행 : 2015.04.25
⟨ 이전 논문 다음 논문 ⟩

초록

A finite element computer code for short-term analysis of steel-concrete composite structures is extended to study long-term effects under service loads, in the present work. Long-term effects are important in engineering design because they influence stress and strain distribution of the structural system and therefore contribute to the increment of deflections in these structures. For creep analysis, a rheological model based on a Kelvin chain, with elements placed in series, was employed. The parameters of the Kelvin chain were obtained using Dirichlet series. Creep and shrinkage models, proposed by the CEB FIP 90, were used. The shear-lag phenomenon that takes place at the concrete slab is usually neglected or not properly taken into account in the formulation of beam-column finite elements. Therefore, in this work, a three-dimensional numerical model based on the assemblage of shell finite elements for representing the steel beam and the concrete slab is used. Stud shear connectors are represented for special beam-column elements to simulate the partial interaction at the slab-beam interface. The two-dimensional representation of the concrete slab permits to capture the non-uniform shear stress distribution in the horizontal plane of the slab due to shear-lag phenomenon. The model is validated with experimental results of two full-scale continuous composite beams previously studied by other authors. Results are given in terms of displacements, bending moments and cracking patterns in order to shown the influence of long-term effects in the structural response and also the potentiality of the present numerical code.

키워드

과제정보

연구 과제 주관 기관 : CAPES, CNPQ

참고문헌

  1. Alwis, W.A.M., Olorunniwo A. and Ang, K.K. (1994), "Long-term deflection of RC beams", J. Eng., 120, 2220-2226.
  2. Bazant, Z.P. (1988), "Material models for structural creep analysis", Mathematical Modeling of creep and shrinkage of concrete, John Wiley & Sons Ltd, 99-215.
  3. Bazant, Z.P. and Oh, B. (1984), "Deformation of progressively cracking reinforced concrete beams", J. Am. Concrete Inst., 81, 268-278.
  4. Bazant, Z.P. and Prasannan, S. (1988), "Solidification theory for aging creep", Cement Concrete Res., 18, 923 -932. https://doi.org/10.1016/0008-8846(88)90028-2
  5. Chaudhary, S., Pendharkar, U. and Nagpal, A.K. (2007), "Service load behavior of continuous composite beams with precast decks considering creep, shrinkage and cracking", Asian J. Civil Eng. (Building and housing), 8(4), 423-442.
  6. Comite Euro-International du Beton (1990) "CEB-FIP model code 1990", CEB Bull. No. 213/214, Lausanne, Switzerland; 1983.
  7. Dias, M.M. (2013), "Numerical analysis of steel-concrete composite beams by using the finite element method: creep and shrinkage effects over time", MSc. Dissertation, Federal University of Rio Grande do Sul, Porto Alegre (in Portuguese).
  8. Gara, F., Leoni and G. and Dezi, L. (2009), "A beam finite element including shear lag effect for the time dependent analysis of steel-concrete composite decks", Eng. Struct., 31, 1888-1902. https://doi.org/10.1016/j.engstruct.2009.03.017
  9. Gilbert, R.L. and Bradford, M.A. (1995) "Time-dependent behavior of continuous composite beams at service loads", J. Struct.l Eng. , 121, 319-327. https://doi.org/10.1061/(ASCE)0733-9445(1995)121:2(319)
  10. Hwang, J. and Kwak, H.G. (2013) "Improved FE model to simulate interfacial bond-slip behavior in composite beams under cyclic loading", Comput. Struct., 125, 164-176. https://doi.org/10.1016/j.compstruc.2013.04.020
  11. Jaccoud, J. P. and Favre, R. (1982), "Fleche des structures en beton arme - verification experimentale d'une methode de calcul", Annales de I'institut Technique du Batiment et des Travaux Publics, Lausanne.
  12. Jiang, M.; Qiu, W. and Zhang, Z. (2009), "Time-dependent analysis of steel-concrete composite beams" International Conference on Engineering Computation, 8-11.
  13. Liu, X., Bradford, M.A. and Erkmen, R.E. (2013), "Time-dependent response of spatially curved steel-concrete composite members. I: computational modeling", J. Struct. Eng. , 139, CID: 04013004.
  14. Macorini, L., Fragiacomo, M., Amadio, C. and Izzuddin, B.A. (2006), "Long-term analysis of steel-concrete composite beams: FE modelling for effective width evaluation", Eng. Struct., 28, 1110-1121. https://doi.org/10.1016/j.engstruct.2005.12.002
  15. Povoas, R. (1991), "Non-linear models for analysis and dimensioning", Ph.D. Dissertation, Porto University, Porto (in Portuguese).
  16. Razaqpur, A. and Nofal, M. A. (1989) "Finite element for modeling the nonlinear behavior of shear connectors in composite structures ", Comput. Struct., 32, 169-174. https://doi.org/10.1016/0045-7949(89)90082-5
  17. Sakr, M.A. and Sakla, S.S. (2008), "Long term deflection of cracked composite beams with nonlinear partial shear interaction: I - Finite element modeling", J. Construct. Steel Res., 64, 1446-1455. https://doi.org/10.1016/j.jcsr.2008.01.003
  18. Smith, I.M., Griffiths, D.V. and Margetts, L. (2014), "Programming the finite element method", (5th Edition), John Wiley & Sons Ltd, New York, NY, United Kingdon.
  19. Tamayo, J.L.P. (2011), "Numerical analysis of composite beams by the finite element method", MSc. Dissertation, Federal University of Rio Grande do Sul, Porto Alegre (in Portuguese).
  20. Tamayo, J., Morsch, I. and Awruch, A.M. (2014) "Short-time numerical analysis of steel-concrete composite beams", J. Brazil. Soc. Mech. Sci. Eng., DOI 10.1007/s40430-014-0237-9.
  21. Valipour, H.R. and Bradford, M.A. (2009)," A steel-concrete composite beam element with material nonlineatities and partial shear interaction", Finite Elem. Anal. Des., 45, 966-972. https://doi.org/10.1016/j.finel.2009.09.011

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