Steel and Composite Structures

  • 제36권5호
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  • Pages.533-551
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  • 2020
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  • 1229-9367(pISSN)
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  • 1598-6233(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Seismic performance of the concrete-encased CFST column to RC beam joints: Analytical study

  • Ma, Dan-Yang (Department of Civil Engineering, Tsinghua University) ;
  • Han, Lin-Hai (Department of Civil Engineering, Tsinghua University) ;
  • Zhao, Xiao-Ling (Department of Civil and Environmental Engineering, The University of New South Wales (UNSW)) ;
  • Yang, Wei-Biao (Beijing Institute of Architectural Design)
  • 투고 : 2019.10.03
  • 심사 : 2020.08.08
  • 발행 : 2020.09.10
⟨ 이전 논문 다음 논문 ⟩

초록

A finite element analysis (FEA) model is established to investigate the concrete-encased concrete-filled steel tubular (CFST) column to reinforced concrete (RC) beam joints under cyclic loading. The feasibility of the FEA model is verified by a set of test results, consisting of the failure modes, the exposed view of connections, the crack distributions and development, and the hysteretic relationships. The full-range analysis is conducted to investigate the stress and strain development process in the composite joint by using this FEA model. The internal force distributions of different components, as well as the deformation distributions, are analyzed under different failure modes. The proposed connections are investigated under dimensional and material parameters, and the proper constructional details of the connections are recommended. Parameters of the beam-column joints, including material strength, confinement factor, reinforcement ratio, diameter of steel tube to sectional width ratio, beam to column linear bending stiffness ratio and beam shear span ratio are evaluated. Furthermore, the key parameters affecting the failure modes and the corresponding parameters ranges are proposed in this paper.

키워드

과제정보

The research reported in this paper is part of the Project 51678341 supported by the National Natural Science Foundation of China (NSFC). The financial support is highly appreciated.

참고문헌

  1. ACI 318 (2014), Building code requirements for structural concrete and commentary, American Concrete Institute; Farmington Hills, MI, USA.
  2. An, Y.F. and Han L.H. (2014), "Behaviour of concrete-encased CFST columns under combined compression and bending", J. Constr. Steel. Res., 101, 314-330. https://doi.org/10.1016/j.jcsr.2014.06.002.
  3. Attard, M.M. and Setunge, S. (1996), "Stress-strain relationship of confined and unconfined concrete", ACI Mater. J., 93(5), 432-442.
  4. CECS 188 (2019), Technical specification for steel tube-reinforced concrete column structures, China Association for Engineering Construction Standardization; Beijing, China. (in Chinese).
  5. Chen, Q.J., Cai, J., Bradford, M.A., Liu, X. and Zuo, Z.L. (2014), "Seismic behaviour of a through-beam connection between concrete-filled steel tubular columns and reinforced concrete beams", Eng. Struct., 80, 24-39. https://doi.org/10.1016/j.engstruct.2014.08.036.
  6. Clough R.W. (1966), "Effect of Stiffness Degradation on Earthquake Ductility Requirements", Structural Engineering Laboratory, University of California, Berkeley, CA, USA.
  7. De Nardin, S. and El Debs, A.L.H. (2018), "Shear transfer mechanism in connections involving concrete filled steel columns under shear forces", Steel Compos. Struct., 28(4), 449-460. https://doi.org/10.12989/scs.2018.28.4.449.
  8. De Risi, M.T. and Verderame, G.M. (2017), "Experimental assessment and numerical modelling of exterior non-conforming beam-column joints with plain bars", Eng. Struct., 150, 115-134. https://doi.org/10.12989/eas.2017.12.1.119.
  9. Emam, M., Marzouk, H. and Hilal, M.S. (1997), "Seismic response of slab-column connections constructed with high-strength concrete", ACI Struct. J., 94, 197-205.
  10. Eurocode (2004), Design of concrete structures-Part 1-1: General rules and rules for buildings, European Committee for Standardization; Brussels, Belgium.
  11. Goto, Y., Kumar, G.P. and Kawanishi, N. (2010), "Nonlinear finite-element analysis for hysteretic behavior of thin-walled circular steel columns with in-filled concrete", J. Struct. Eng.-ASCE, 136(11), 1413-1422. https://doi.org/10.1061/(ASCE)ST.1943-541X.0000240.
  12. Han, L.H. and Yang, Y.F. (2005), "Cyclic performance of concrete-filled steel CHS columns under flexural loading", J. Constr. Steel. Res., 61(4), 423-452. https://doi.org/10.1016/j.jcsr.2004.10.004.
  13. Han, L.H., Yao, G.H. and Tao, Z. (2007), "Performance of concrete-filled thin-walled steel tubes under pure torsion", Thin Wall Struct., 45(1), 24-36. https://doi.org/10.1016/j.tws.2007.01.008.
  14. Han, L.H. and An, Y.F. (2014), "Performance of concrete-encased CFST stub columns under axial compression", J. Constr. Steel. Res., 93, 62-76. https://doi.org/10.1016/j.jcsr.2013.10.019.
  15. Han, L.H., Ma, D.Y. and Zhou, K. (2018), "Concrete-encased CFST structures: behaviour and application", Proceeding of the 12th International Conference on Advances in Steel-Concrete Composite Structures (ASCCS 2018), Valencia, Spain, June.
  16. Hwang, H.J., Eom, T.S. and Park, H.G. (2017), "Shear Strength Degradation Model for Performance-Based Design of Interior Beam-Column Joints", ACI Struct. J., 114(5), 1143-1154. https://doi.org/10.14359/51700780.
  17. Kang, L., Leon, R.T. and Lu, X. (2015), "Shear strength analyses of internal diaphragm connections to CFT columns", Steel Compos. Struct., 18(5), 1083-1101. https://doi.org/10.12989/scs.2015.18.5.1083.
  18. Kang, S.B. and Tan, K.H. (2018), "A simplified model for reinforced concrete beam-column joints under seismic loads", Mag. Concrete Res., 70(3) 138-153. https://doi.org/10.1680/jmacr.16.00074.
  19. Lai, Z., Huang, Z. and Varma, A.H. (2017), "Modeling of high-strength composite special moment frames (C-SMFs) for seismic analysis", J. Constr. Steel Res., 138, 526-537. https://doi.org/10.1016/j.jcsr.2017.07.018.
  20. Lee, J.Y., Kim, J.Y. and Oh, G.J. (2009), "Strength deterioration of reinforced concrete beam-column joints subjected to cyclic loading", Eng. Struct., 31(9), 2070-2085. https://doi.org/10.1016/j.engstruct.2009.03.009.
  21. Li, B. and Leong, C.L. (2014), "Experimental and numerical investigations of the seismic behavior of high-strength concrete beam-column joints with column axial load", J. Struct. Eng. -ASCE, 141(9), 04014220. https://doi.org/10.1061/(ASCE)ST.1943-541X.0001191.
  22. Li, W. and Han, L.H. (2011), "Seismic performance of CFST column to steel beam joints with RC slab: Analysis", J. Constr. Steel Res., 67(1), 127-139. https://doi.org/10.1016/j.jcsr.2010.07.002.
  23. Lima, C., Martinelli, E., Macorini, L. and Izzuddin, B.A. (2017), "Modelling beam-to-column joints in seismic analysis of RC frames", Earthq. Struct.. 12(1), 119-133. https://doi.org/10.12989/eas.2017.12.1.119.
  24. Lee, J. and Fenves, G.L. (1998), "Plastic-damage model for cyclic loading of concrete structures", J. Eng. Mech. - ASCE, 124(8), 892-900. https://doi.org/10.1061/(ASCE)0733-9399(1998)124:8(892).
  25. Ma, D.Y., Han, L.H., Li, W. and Zhao, X.L. (2017), "Seismic performance of concrete-encased CFST piers: analysis", J. Bridge Eng.-ASCE, 23(1), 04017119. https://doi.org/10.1061/(ASCE)BE.1943-5592.0001157.
  26. Ma, D.Y., Han, L.H., Ji, X. and Yang, W.B. (2018), "Behaviour of hexagonal concrete-encased CFST columns subjected to cyclic bending", J. Constr. Steel Res., 144, 283-294. https://doi.org/10.1016/j.jcsr.2018.01.019.
  27. Ma, D.Y., Han, L.H. and Zhao, X.L. (2019), "Seismic performance of the concrete-encased CFST column to RC beam joint: Experiment", J. Constr. Steel Res., 154, 134-148. https://doi.org/10.1016/j.jcsr.2018.11.030.
  28. Moustafa, M.A. and Mosalam, K.M. (2015), "Seismic response of bent caps in as-built and retrofitted reinforced concrete box-girder bridges", Eng. Struct., 98, 59-73. https://doi.org/10.1016/j.engstruct.2015.04.028.
  29. Qian, W.W. (2017), "Seismic Performance of Concrete-encased Concrete-filled Steel Tubular Column to Steel Beam Joints", PhD. Dissertation; Tsinghua University, Beijing, China.
  30. Qian, W.W., Li, W., Han, L.H. and Zhao, X. L. (2016), "Analytical behavior of concrete-encased CFST columns under cyclic lateral loading", J. Constr. Steel Res., 120, 206-220. https://doi.org/10.1016/j.jcsr.2015.12.018.
  31. Shen, J.M., Wang, C.Z. and Jiang, J.J. (1993), Finite Element Method of Reinforced Concrete and Limited Analysis of Plates and Shells, Tsinghua University Press, Beijing, China. (in Chinese).
  32. Simulia (2017), ABAQUS Version 2017-1: theory manual, users' manual, verification manual and example problems manual.
  33. Zhang, Y., Huang, Y., Lei, K., Pei, J. and Zhang, Q. (2018), "Seismic behaviors of steel bar reinforced joints of concrete filled steel tubular laminated columns", KSCE J. Civil Eng., 22(9), 3491-3503. https://doi.org/10.1007/s12205-017-0685-8.