Fire behaviour of slender concrete-filled steel tubular columns under biaxial bending

Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review

Authors

  • Ana Espinós
  • Vicente Albero
  • Manuel L. Romero
  • Maximilian Mund
  • Patrick Dieter Meyer
  • Peter Schaumann
  • Inka Colleen Kleibömer

Research Organisations

External Research Organisations

  • Hagen Ingenieurgesellschaft für Brandschutz mbH
  • Polytechnic University of Valencia
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Details

Original languageEnglish
Title of host publicationStructures in Fire
Subtitle of host publication10TH INTERNATIONAL CONFERENCE ON STRUCTURES IN FIRE
Pages569-576
Number of pages8
Publication statusPublished - 2018
Event10th International Conference on Structures in Fire - Belfast, United Kingdom (UK)
Duration: 6 Jun 2018 → 8 Jun 2018

Abstract

The fire performance of concrete-filled steel tubular (CFST) columns has been profusely investigated in recent years, through both numerical and experimental studies. Extensive fire testing on slender CFST columns has been performed in the framework of the European Project FRISCC (Fire Resistance of Innovative Slender Concrete-filled Columns). The results of recent investigations have led to the development of new design rules that allow for the calculation of the buckling load of slender columns in the fire situation, under axial compression as well as combined compression and uniaxial bending. The current design guidelines have been revised and extended by the Project Team SC4.T4 to build up the new method that will replace the current Annex H in EN 1994-1-2. However, the situation of columns subjected to biaxial bending has not been investigated and no fire tests on CFST columns under biaxial bending have been carried out so far. Hence, the extension of the design rules to biaxial bending can only be based on numerical simulations. To ensure the applicability of the model, both tests under biaxial bending at room temperature and tests under uniaxial bending in case of fire can serve for validation. In this paper, a numerical model is presented for simulating the fire behaviour of slender CFST columns subjected to eccentric load in the two sectional axes, which is subsequently used to compare the results with the new design rules for uniaxially loaded columns.

Cite this

Fire behaviour of slender concrete-filled steel tubular columns under biaxial bending. / Espinós, Ana; Albero, Vicente; Romero, Manuel L. et al.
Structures in Fire: 10TH INTERNATIONAL CONFERENCE ON STRUCTURES IN FIRE. 2018. p. 569-576.

Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review

Espinós, A, Albero, V, Romero, ML, Mund, M, Meyer, PD, Schaumann, P & Kleibömer, IC 2018, Fire behaviour of slender concrete-filled steel tubular columns under biaxial bending. in Structures in Fire: 10TH INTERNATIONAL CONFERENCE ON STRUCTURES IN FIRE. pp. 569-576, 10th International Conference on Structures in Fire, Belfast, United Kingdom (UK), 6 Jun 2018. <https://pure.ulster.ac.uk/en/publications/10th-international-conference-on-structures-in-fire-structures-in>
Espinós, A., Albero, V., Romero, M. L., Mund, M., Meyer, P. D., Schaumann, P., & Kleibömer, I. C. (2018). Fire behaviour of slender concrete-filled steel tubular columns under biaxial bending. In Structures in Fire: 10TH INTERNATIONAL CONFERENCE ON STRUCTURES IN FIRE (pp. 569-576) https://pure.ulster.ac.uk/en/publications/10th-international-conference-on-structures-in-fire-structures-in
Espinós A, Albero V, Romero ML, Mund M, Meyer PD, Schaumann P et al. Fire behaviour of slender concrete-filled steel tubular columns under biaxial bending. In Structures in Fire: 10TH INTERNATIONAL CONFERENCE ON STRUCTURES IN FIRE. 2018. p. 569-576
Espinós, Ana ; Albero, Vicente ; Romero, Manuel L. et al. / Fire behaviour of slender concrete-filled steel tubular columns under biaxial bending. Structures in Fire: 10TH INTERNATIONAL CONFERENCE ON STRUCTURES IN FIRE. 2018. pp. 569-576
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title = "Fire behaviour of slender concrete-filled steel tubular columns under biaxial bending",
abstract = "The fire performance of concrete-filled steel tubular (CFST) columns has been profusely investigated in recent years, through both numerical and experimental studies. Extensive fire testing on slender CFST columns has been performed in the framework of the European Project FRISCC (Fire Resistance of Innovative Slender Concrete-filled Columns). The results of recent investigations have led to the development of new design rules that allow for the calculation of the buckling load of slender columns in the fire situation, under axial compression as well as combined compression and uniaxial bending. The current design guidelines have been revised and extended by the Project Team SC4.T4 to build up the new method that will replace the current Annex H in EN 1994-1-2. However, the situation of columns subjected to biaxial bending has not been investigated and no fire tests on CFST columns under biaxial bending have been carried out so far. Hence, the extension of the design rules to biaxial bending can only be based on numerical simulations. To ensure the applicability of the model, both tests under biaxial bending at room temperature and tests under uniaxial bending in case of fire can serve for validation. In this paper, a numerical model is presented for simulating the fire behaviour of slender CFST columns subjected to eccentric load in the two sectional axes, which is subsequently used to compare the results with the new design rules for uniaxially loaded columns.",
author = "Ana Espin{\'o}s and Vicente Albero and Romero, {Manuel L.} and Maximilian Mund and Meyer, {Patrick Dieter} and Peter Schaumann and Kleib{\"o}mer, {Inka Colleen}",
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booktitle = "Structures in Fire",
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Download

TY - GEN

T1 - Fire behaviour of slender concrete-filled steel tubular columns under biaxial bending

AU - Espinós, Ana

AU - Albero, Vicente

AU - Romero, Manuel L.

AU - Mund, Maximilian

AU - Meyer, Patrick Dieter

AU - Schaumann, Peter

AU - Kleibömer, Inka Colleen

PY - 2018

Y1 - 2018

N2 - The fire performance of concrete-filled steel tubular (CFST) columns has been profusely investigated in recent years, through both numerical and experimental studies. Extensive fire testing on slender CFST columns has been performed in the framework of the European Project FRISCC (Fire Resistance of Innovative Slender Concrete-filled Columns). The results of recent investigations have led to the development of new design rules that allow for the calculation of the buckling load of slender columns in the fire situation, under axial compression as well as combined compression and uniaxial bending. The current design guidelines have been revised and extended by the Project Team SC4.T4 to build up the new method that will replace the current Annex H in EN 1994-1-2. However, the situation of columns subjected to biaxial bending has not been investigated and no fire tests on CFST columns under biaxial bending have been carried out so far. Hence, the extension of the design rules to biaxial bending can only be based on numerical simulations. To ensure the applicability of the model, both tests under biaxial bending at room temperature and tests under uniaxial bending in case of fire can serve for validation. In this paper, a numerical model is presented for simulating the fire behaviour of slender CFST columns subjected to eccentric load in the two sectional axes, which is subsequently used to compare the results with the new design rules for uniaxially loaded columns.

AB - The fire performance of concrete-filled steel tubular (CFST) columns has been profusely investigated in recent years, through both numerical and experimental studies. Extensive fire testing on slender CFST columns has been performed in the framework of the European Project FRISCC (Fire Resistance of Innovative Slender Concrete-filled Columns). The results of recent investigations have led to the development of new design rules that allow for the calculation of the buckling load of slender columns in the fire situation, under axial compression as well as combined compression and uniaxial bending. The current design guidelines have been revised and extended by the Project Team SC4.T4 to build up the new method that will replace the current Annex H in EN 1994-1-2. However, the situation of columns subjected to biaxial bending has not been investigated and no fire tests on CFST columns under biaxial bending have been carried out so far. Hence, the extension of the design rules to biaxial bending can only be based on numerical simulations. To ensure the applicability of the model, both tests under biaxial bending at room temperature and tests under uniaxial bending in case of fire can serve for validation. In this paper, a numerical model is presented for simulating the fire behaviour of slender CFST columns subjected to eccentric load in the two sectional axes, which is subsequently used to compare the results with the new design rules for uniaxially loaded columns.

M3 - Conference contribution

SN - 9781859232743

SP - 569

EP - 576

BT - Structures in Fire

T2 - 10th International Conference on Structures in Fire

Y2 - 6 June 2018 through 8 June 2018

ER -