Reference : Experimental and numerical investigation of high-strength steel circular columns subj...
Scientific journals : Article
Engineering, computing & technology : Civil engineering
http://hdl.handle.net/2268/133472
Experimental and numerical investigation of high-strength steel circular columns subjected to fire
English
Tondini, Nicola [> >]
Hoang, Van Long mailto [Université de Liège - ULg > Département Argenco : Secteur MS2F > Adéquat. struct. aux exig. de fonct.& perfor. techn.-écon. >]
Demonceau, Jean-François mailto [Université de Liège - ULg > Département ArGEnCo > Département ArGEnCo >]
Franssen, Jean-Marc mailto [Université de Liège - ULg > Département Argenco : Secteur SE > Ingénierie du feu >]
2013
Journal of Constructional Steel Research
Elsevier Science
80
57-81
Yes (verified by ORBi)
International
0143-974X
Oxford
United Kingdom
[en] High-Strength steel ; Circular hollow section ; fire loading ; experimental tests ; numerical inverstigations ; Buckling resistance
[en] This paper presents an experimental–numerical study on the behaviour of High Strength Steel (HSS) columns at elevated temperature, both on Circular Hollow Sections (CHS) and on a Concrete Filled Tube (CFT). The measured yield strength of the circular sections was in the order of 820 MPa. In detail, three HSS CHS and a HSS CFT were tested under the standard ISO fire with constant eccentric compression applied load. The evolution of temperature and deformation patterns were measured by means of a comprehensive instrumentation made of thermocouples and displacement transducers. Numerical analyses were performed and compared with experimental data by employing stress–strain relationships of carbon steel at elevated temperatures provided by the Eurocodes associated to two different sets of reduction factors: i) those provided by the Eurocodes valid up to S460 steel grades; and ii) those proposed in the literature and based on tests on HSS.
ATTEL
http://hdl.handle.net/2268/133472
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