DOI QR코드

DOI QR Code

Composite action of notched circular CFT stub columns under axial compression

  • Ding, Fa-xing (School of Civil Engineering, Central South University) ;
  • Wen, Bing (School of Civil Engineering, Central South University) ;
  • Liu, Xue-mei (School of Civil Engineering and Built Environment, Queensland University of Technology) ;
  • Wang, Hai-bo (School of Civil Engineering, Central South University)
  • Received : 2016.12.21
  • Accepted : 2017.03.30
  • Published : 2017.06.30

Abstract

This paper conducted both numerical and theoretical studies to investigate the composite action of notched circular concrete-filled steel tubular (CFT) stub columns under axial compression and established a theoretical method to predict their ultimate bearing capacity. 3D finite element (FE) analysis was conducted to simulate the composite action and the results were in good agreement with experimental results on circular CFT stub columns with differently oriented notches in steel tubes. Parametric study was conducted to understand the effects of different parameters on the mechanical behavior of circular CFT stub columns and also the composite action between the steel tube and the core concrete. Based on the results, a theoretical formula was proposed to calculate the ultimate bearing capacity of notched CFT stub columns under compression with consideration of the composite action between the steel tube and the core concrete.

Acknowledgement

Supported by : National Natural Science Foundation of China

References

  1. Baltay, P. and Gjelsvik, A. (1990), "Coefficient of friction for steel on concrete at high normal stress", J. Mater. Civil Eng., 2(1), 46-49. https://doi.org/10.1061/(ASCE)0899-1561(1990)2:1(46)
  2. Bhandari, J., Khan, F. and Abbassi, R. (2015), "Modelling of pitting corrosion in marine and offshore steel structures - A technical review", Loss Prev. Proc., 37(9), 39-62. https://doi.org/10.1016/j.jlp.2015.06.008
  3. Chang, X., Ru, Z. and Zhou, W. (2013a), "Study on concrete-filled stainless steel carbon steel tubular (CFSCT) stub columns under compression", Thin-Wall. Struct., 63(3), 125-133. https://doi.org/10.1016/j.tws.2012.10.002
  4. Chang, X., Fu, L., Zhao, H.B. and Zhang, Y.B. (2013b), "Behaviors of axially loaded circular concrete-filled steel tube (CFT) stub columns with notch in steel tubes", Thin-Wall. Struct., 73(4), 273-280. https://doi.org/10.1016/j.tws.2013.08.018
  5. Ding, F.X., Ying, X.Y. and Zhou, L.C. (2011a), "Unified calculation method and its application in determining the uniaxial mechanical properties of concrete", Front. Archit. Civil Eng. China, 5(3), 381-393. https://doi.org/10.1007/s11709-011-0118-6
  6. Ding, F.X., Yu, Z.W. and Bai, Y. (2011b), "Elasto-plastic analysis of circular concrete-filled steel tube stub columns", J. Struct. Eng., 67(10), 1567-1577.
  7. Ding, F.X., Lu, D.R. and Bai, Y. (2016a), "Comparative study of square stirrup-confined concrete-filled steel tubular stub columns under axial loading", Thin-Wall. Struct., 98(1), 443-453. https://doi.org/10.1016/j.tws.2015.10.018
  8. Ding, F.X., Li, Z., Cheng, S.S. and Yu, Z.W. (2016b), "Composite action of octagonal concrete-filled steel tubular stub columns under axial loading", Thin-Wall. Struct., 107(10), 453-461. https://doi.org/10.1016/j.tws.2016.07.012
  9. Ding, F.X., Tan, L., Liu, X.M. and Wang, L.P. (2017), "Behavior of circular thin-walled steel tube confined concrete stun columns", Steel Compos. Struct., Int. J., 23(2), 229-238. DOI: doi.org/10.12989/scs.2017.23.2.229 https://doi.org/10.12989/scs.2017.23.2.229
  10. Han, L.H., Yao, G.H., Chen, Z.P. and Yu, Q. (2005), "Experimental behavior of steel tube confined concrete (STCC) columns", Steel Compos. Struct., Int. J., 5(6), 459-484. https://doi.org/10.12989/scs.2005.5.6.459
  11. Han, H., Cheng, J., Taheri, F. and Pegg, N. (2006), "Numerical and experimental investigations of the response of aluminum cylinders with a cutout subject to axial compression", Thin-Wall. Struct., 44, 254-270. https://doi.org/10.1016/j.tws.2005.11.003
  12. Hibbitt, Karlson & Sorensen Inc. (2003), ABAQUS/standard User's Manual; Version 6.4.1, Pawtucket, RI, USA.
  13. Huang, Y.S., Long, Y.L. and Cai, J. (2008), "Ultimate strength of rectangular concrete-filled steel tubular (CFT) stub columns under axial compression", Steel Compos. Struct., Int. J., 8(2), 115-128. https://doi.org/10.12989/scs.2008.8.2.115
  14. Javidruzi, M., Vafai, A., Chen, J.F. and Chilton, J.C. (2004), "Vibration, buckling and dynamic stability of cracked cylindrical shells", Thin-Wall. Struct., 42, 79-99. https://doi.org/10.1016/S0263-8231(03)00125-3
  15. Johansson, M. and Gylltoft, K. (2002), "Mechanical behavior of circular steel-concrete composite Stub columns", J. Struct. Eng., 128(8), 1073-1081. https://doi.org/10.1061/(ASCE)0733-9445(2002)128:8(1073)
  16. Jullien, J.F. and Limam, A. (1998), "Effects of openings of the buckling of cylindrical shells subjected to axial compression", Thin-Wall. Struct., 31(1-3), 187-202. https://doi.org/10.1016/S0263-8231(98)00003-2
  17. Lu, Z.H. and Zhao, Y.G. (2010), "Suggested empirical models for the axial capacity of circular CFT stub columns", J. Constr. Steel Res., 66(6), 850-862. https://doi.org/10.1016/j.jcsr.2009.12.014
  18. Melchers, R.E. (2006), "Recent progress in the modeling of corrosion of structural steel immersed in Seawaters", Infrastruct. Syst., 12(3), 154-162. https://doi.org/10.1061/(ASCE)1076-0342(2006)12:3(154)
  19. Ottosen, N.S. and Ristinmaa, M. (2005), "12-common plasticity models", The Mechanics of Constitutive Modeling, 279-319.
  20. Park, J.W. and Choi, S.M. (2013), "Structural behavior of CFRP strengthened concrete-filled steel tubes columns under axial compression loads", Steel Compos. Struct., Int. J., 14(5), 453-472. https://doi.org/10.12989/scs.2013.14.5.453
  21. Sultana, S., Wang, Y. and Sobey, A.J. (2015), "Influence of corrosion on the ultimate compressive strength of steel plates and stiffened panels", Thin-Wall. Struct., 96(11), 95-104. https://doi.org/10.1016/j.tws.2015.08.006
  22. Wang, Q.T. and Chang, X. (2013), "Analysis of concrete-filled steel tubular columns with "T" shaped cross section (CFTTS)" Steel Compos. Struct., Int. J., 15(1), 41-55. https://doi.org/10.12989/scs.2013.15.1.41
  23. Xiamuxi, A. and Akira, H. (2011), "Compression test of RCFT columns with thin-walled steel tube and high strength concrete", Steel Compos. Struct., Int. J., 11(5), 391-402. https://doi.org/10.12989/scs.2011.11.5.391
  24. Yu, Z.W., Ding, F.X. and Cai, C.S. (2007), "Experimental behavior of circular concrete-filled steel tube stub columns", J. Constr. Steel Res., 63(2), 165-174. https://doi.org/10.1016/j.jcsr.2006.03.009