Article (Scientific journals)
Steel hollow columns with an internal profile filled with self-compacting concrete under fire conditions
Chu, Thi Binh; Gernay, Thomas; Dotreppe, Jean-Claude et al.
2016In Proceeding of the Romanian Academy. Series A, Mathematics, Physics, Technical Sciences, Information Science, 17 (2), p. 152-159
Peer reviewed
 

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Keywords :
Columns; Composite steel-concrete construction; Fire resistance; hollow steel sections; self-compacting concrete; SCC
Abstract :
[en] A detailed experimental and numerical investigation has been performed on the behavior under fire conditions of concrete filled steel hollow section (CFSHS) columns. In this study the internal reinforcement consists of another profile (tube or H section) being embedded with the concrete, and filling is realized by self-compacting concrete (SCC). Ten columns filled with self-compacting concrete embedding another steel profile have been tested in the Fire Testing Laboratory of the University of Liege, Belgium. Numerical simulations on the thermal and structural behavior of these elements have been made using the non linear finite element software SAFIR developed at the University of Liege. There is a rather good agreement between numerical and experimental results, which can be slightly improved by using the ETC (Explicit Transient Creep) model incorporated in SAFIR. This shows that numerical analyses can predict well the behavior of CFSHS columns under fire conditions. The properties at high temperatures of self-compacting concrete are considered the same as those of ordinary concrete.
Disciplines :
Civil engineering
Author, co-author :
Chu, Thi Binh;  Hanoi Architectural University
Gernay, Thomas ;  Université de Liège > Département ArGEnCo > Ingénierie du feu
Dotreppe, Jean-Claude ;  Université de Liège > Département ArGEnCo > Département ArGEnCo
Franssen, Jean-Marc  ;  Université de Liège > Département ArGEnCo > Ingénierie du feu
Language :
English
Title :
Steel hollow columns with an internal profile filled with self-compacting concrete under fire conditions
Publication date :
04 May 2016
Journal title :
Proceeding of the Romanian Academy. Series A, Mathematics, Physics, Technical Sciences, Information Science
ISSN :
1454-9069
Publisher :
Editura Academiei Române, Bucureşti, Romania
Volume :
17
Issue :
2
Pages :
152-159
Peer reviewed :
Peer reviewed
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
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