DOI QR코드

DOI QR Code

Concrete filled double skin tubular members subjected to bending

  • 투고 : 2007.06.07
  • 심사 : 2008.04.16
  • 발행 : 2008.08.25

초록

A concrete filled double skin tubular (called CFDST in abbreviation) member consists of two concentric circular steel tubes and filled concrete between them. Purpose of this study is to investigate their bending characteristics experimentally. The two test parameters of the tubes considered were an inner-to-outer diameter ratio and a thickness-diameter ratio. As a result, their observed failure modes were controlled by tensile cracking or local buckling of the outer tube. Discussion is focused on the confinement effect on the filled concrete due to the both tubes and also the influence of the inner-to-outer diameter ratios on their deformability and load carrying capacity.

키워드

참고문헌

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피인용 문헌

  1. Finite Element Simulation of Concrete-Filled Double-Skin Tube Columns Subjected to Postearthquake Fires vol.141, pp.12, 2015, https://doi.org/10.1061/(ASCE)ST.1943-541X.0001301
  2. Analysis of concrete-filled steel tubular columns with "T" shaped cross section (CFTTS) vol.15, pp.1, 2013, https://doi.org/10.12989/scs.2013.15.1.41
  3. 08.19: Tests on concrete-filled double skin tubular beams with circular stainless steel outer tubes vol.1, pp.2-3, 2017, https://doi.org/10.1002/cepa.244
  4. Experiments on the bearing capacity of tapered concrete filled double skin steel tubular (CFDST) stub columns vol.17, pp.5, 2014, https://doi.org/10.12989/scs.2014.17.5.667
  5. Experimental Study on Post-Earthquake Fire Resistance of Ductile Concrete-Filled Double-Skin Tube Columns vol.141, pp.8, 2015, https://doi.org/10.1061/(ASCE)ST.1943-541X.0001168
  6. Behavior of thin-walled dodecagonal section double skin concrete-filled steel tubes under bending vol.98, 2016, https://doi.org/10.1016/j.tws.2015.10.002
  7. Concrete filled double skin circular tubular beams with large diameter-to-thickness ratio under shear vol.70, 2013, https://doi.org/10.1016/j.tws.2013.04.009
  8. CFDST stub columns having outer circular and inner square sections under compression vol.120, 2016, https://doi.org/10.1016/j.jcsr.2015.12.005
  9. Experimental behaviour of partially loaded concrete filled double-skin steel tube (CFDST) sections vol.71, 2012, https://doi.org/10.1016/j.jcsr.2011.11.005
  10. Mechanical behavior of concrete filled double skin tubular circular deep beams vol.49, pp.2, 2011, https://doi.org/10.1016/j.tws.2010.10.005
  11. Experimental evaluation on the seismic performance of high strength thin-walled composite members accounting for sectional aspect ratio effect vol.9, pp.4, 2008, https://doi.org/10.12989/scs.2009.9.4.367
  12. Uni-axial behaviour of normal-strength concrete-filled-steel-tube columns with external confinement vol.3, pp.6, 2012, https://doi.org/10.12989/eas.2012.3.6.889
  13. Behavior of concrete-filled double skin steel tube beam-columns vol.22, pp.5, 2008, https://doi.org/10.12989/scs.2016.22.5.1141
  14. Behavior of concrete-filled round-ended steel tubes under bending vol.25, pp.4, 2008, https://doi.org/10.12989/scs.2017.25.4.457
  15. Concrete filled double skin square tubular stub columns subjected to compression load vol.77, pp.6, 2021, https://doi.org/10.12989/sem.2021.77.6.745
  16. Experimental investigation on the residual axial capacity of close-in blast damaged CFDST columns vol.165, pp.None, 2008, https://doi.org/10.1016/j.tws.2021.107976
  17. Flexural strength and stiffness of circular double-skin and double-tube concrete-filled steel tubes vol.81, pp.None, 2008, https://doi.org/10.1016/j.marstruc.2021.103126