Structural Engineering and Mechanics

Techno-Press (테크노프레스)
권호 표지
DOI QR코드

DOI QR Code

Flexural behaviour of square UHPC-filled hollow steel section beams

  • Guler, Soner (Faculty of Civil Engineering, Istanbul Technical University) ;
  • Copur, Alperen (Faculty of Civil Engineering, Istanbul Technical University) ;
  • Aydogan, Metin (Faculty of Civil Engineering, Istanbul Technical University)
  • Received : 2011.12.24
  • Accepted : 2012.06.01
  • Published : 2012.07.25
⟨ Previous Next ⟩

Abstract

This paper presents an experimental investigation of the flexural behavior of square hollow steel section (HSS) beams subjected to pure bending. Totally six unfilled and nine ultra high performance concrete (UHPC)-filled HSS beams were tested under four-point bending until failure. The effects of the steel tube thickness, the yield strength of the steel tube and the strength of concrete on moment capacity, curvature, and ductility of UHPC-filled HSS beams were examined. The performance indices named relative ductility index (RDI) and strength increasing factor (SIF) were investigated with regard to different height-to-thickness ratio of the specimens. The flexural strengths obtained from the tests were compared with the values predicted by Eurocode 4, AISC-LRFD and CIDECT design codes. The results showed that the increase in the moment capacity and the corresponding curvature is much greater for thinner HSS beams than thicker ones. Eurocode 4 and AISC-LRFD predict the ultimate moment capacity of the all UHPC-filled HSS beams conservatively.

Keywords

References

  1. AISC-LRFD (1999), "Load and resistance factor design specification for structural steel buildings", American Institute of Steel Construction.
  2. Arivalagan, S. and Kandasamy, K. (2009), "Energy absorption capacity of composite beams", J. Eng. Sci. Technol. Rev., 2, 145-150.
  3. Chitawadagi, M.V. and Narasimhan, M.C. (2009), "Strength deformation behavior of circular concrete filled steel tubes subjected to pure bending", J. Constr. Steel Res., 65, 1836-1845. https://doi.org/10.1016/j.jcsr.2009.04.006
  4. CIDECT (1995), J. Wardenier, D. Dutta, N. Yeomans, J.A. Parker, O. Bucak: Design Guide for Structural Hollow Sections in Mechanical Applications, CIDECT, Construction with Hollow Steel Sections, Verlag TUV Rheinland Gmbh, Koln.
  5. Elchalakani, M., Zhao, X.L. and Grzebieta, R.H. (2001), "Concrete-filled circular steel tubes subjected to pure bending", J. Constr. Steel Res., 57, 1141-1168. https://doi.org/10.1016/S0143-974X(01)00035-9
  6. Eurocode 4 EN 1994-1-1, "Design of composite steel and concrete structures Part 1.1: General rules and rules for buildings".
  7. L.H. (2004), "Flexural behavior of concrete-filled steel tubes", J. Constr. Steel Res., 60, 313-337. https://doi.org/10.1016/j.jcsr.2003.08.009
  8. Gho, W. and Liu, D. (2004), "Flexural behavior of high-strength rectangular concrete-filled steel hollow sections", J. Constr. Steel Res., 60, 1681-1696. https://doi.org/10.1016/j.jcsr.2004.03.007
  9. Kong, J.Y., Choi, E.S., Chin, W.J. and Lee, J.W. (2007), "Flexural behavior of concrete-filled steel tube members and its application", Steel Struct., 7, 319-324.
  10. Kim, Y.H., You, S.K., Jung, J.H. and Yoon, S.J. (2006), "Strengthening effect of the shear key on the flexural behavior of concrete filled circular tube", Steel Struct., 6, 183-190. https://doi.org/10.12989/scs.2006.6.3.183
  11. Lu, Y.Q. and Kennedy, D.J.L. (1994), "The flexural behavior of concrete-filled hollow structural sections", Canadian J. Civil Eng., 21, 11-130.
  12. Nakamura, S., Hosaka, T. and Nishiumi, K. (2004), "Bending behavior of steel pipe girders filled with ultralight mortar", J. Bridge Eng., 9(3), 297-303. https://doi.org/10.1061/(ASCE)1084-0702(2004)9:3(297)
  13. Probst, A.D., Thomas, H., Kong, K., Ramseyer, C. and Kim, U. (2010), "Composite flexural behavior of fullscale concrete-filled tubes without axial loads", J. Struct. Eng., ASCE, 136, 1401-1412. https://doi.org/10.1061/(ASCE)ST.1943-541X.0000241
  14. Prion, H.G.L. and Boehme, J. (1994), "Beam-column behavior of steel tubes filled with high strength concrete", Can. J. Civil Eng., 21, 207-218. https://doi.org/10.1139/l94-024
  15. Shawkat, W. and Fahmy, W. (2008), "Cracking patterns and strength of CFT beams under different moment gradients", Compos. Struct., 84, 159-166. https://doi.org/10.1016/j.compstruct.2007.07.005
  16. Soundararajan, A. and Shanmugasundaram, K. (2008), "Flexural behaviour of concrete-filled steel hollow sections beams", J. Civil Eng. Manage., 14, 107-114. https://doi.org/10.3846/1392-3730.2008.14.5
  17. TS EN 206 (2002), Concrete-Part 1: Specification, Performance, Production and Conformity, Turkish Standard Institution, Ankara.
  18. TS EN 12390 (2002), Testing Hardening Concrete- Part 1, Shape, Dimensions and Other Requirements for Specimens and Moulds, Turkish Standard Institution, Ankara.
  19. TS 138 EN 10002-1 (2004), Metallic materials - Tensile testing -Part 1, Method of test at ambient temperature, Turkish Standards Institution, Ankara.
  20. Varma, A.H., Ricles, J.M., Sause, R. and Lu, L.W. (2002), "Seismic behavior and modeling of high-strength composite concrete-filled steel tube (CFT) beam-columns", J. Constr. Steel Res., 58, 725-758. https://doi.org/10.1016/S0143-974X(01)00099-2

Cited by

  1. Performance of hollow steel tube bollards under quasi-static and lateral impact load vol.88, 2015, https://doi.org/10.1016/j.tws.2014.11.024
  2. Flexural behavior of UHPC-RC composite beam vol.22, pp.2, 2016, https://doi.org/10.12989/scs.2016.22.2.387
  3. Finite element analysis on the structural behaviour of square CFST beams vol.210, 2017, https://doi.org/10.1088/1757-899X/210/1/012018
  4. Energy absorption of steel hollow tubes under bending vol.168, pp.12, 2015, https://doi.org/10.1680/jstbu.14.00109
  5. Shear capacity of concrete-filled steel plate composite coupling beams vol.118, 2016, https://doi.org/10.1016/j.jcsr.2015.10.023
  6. FE modelling of the flexural behaviour of square and rectangular steel tubes filled with normal and high strength concrete vol.119, 2017, https://doi.org/10.1016/j.tws.2017.06.025
  7. Flexural performance of concrete filled tubes with high tensile steel and ultra-high strength concrete vol.132, 2017, https://doi.org/10.1016/j.jcsr.2017.01.017
  8. Flexural performance of cold-formed square CFST beams strengthened with internal stiffeners vol.34, pp.1, 2012, https://doi.org/10.12989/scs.2020.34.1.123
  9. Experimental Investigation of Flexural Behavior of Ultra-High-Performance Concrete with Coarse Aggregate-Filled Steel Tubes vol.14, pp.21, 2021, https://doi.org/10.3390/ma14216354