Article (Scientific journals)
Behaviour of Grade 8.8 bolts under natural fire conditions - Tests and model
Hanus, François; Zilli, Guiliana; Franssen, Jean-Marc
2011In Journal of Constructional Steel Research, 67, p. 1292-1298
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Keywords :
fire; bolt; natural fire; tests; model; cooling
Abstract :
[en] Recent full-scale experimental tests perfomed on steel andcomposite structures have demonstrated that the presence of tensile forces in axially-restrained beams during the cooling phase of a fire could lead to bolt failures. In order to understand this observation and design structures that are not prone to such a failure mode, it is essential to have a deep knowledge of the material behaviour of all the components, including bolts, during both the heating and the cooling phase. In the present article, the test set-ups and the results of the tensile and shear tests performed at the CSM (Italy) on Grade 8.8 bolts under heating-cooling cycles are described. Then, material laws are defined for characterising the mechanical behaviour of Grade 8.8 bolts under heating and cooling phases. these laws account for the non-reversibility of the mechanical properties of Grade 8.8 bolts
Disciplines :
Civil engineering
Author, co-author :
Hanus, François;  Engineering office B.E.S.T.
Zilli, Guiliana;  Centro Sviluppo Materiali, Italy
Franssen, Jean-Marc  ;  Université de Liège - ULiège > Département Argenco : Secteur SE > Ingénierie du feu
Language :
English
Title :
Behaviour of Grade 8.8 bolts under natural fire conditions - Tests and model
Publication date :
2011
Journal title :
Journal of Constructional Steel Research
ISSN :
0143-974X
eISSN :
1873-5983
Publisher :
Elsevier Science, Oxford, United Kingdom
Volume :
67
Pages :
1292-1298
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
COSSFIRE
Funders :
RFCS - European Commission. Research Fund for Coal and Steel [BE]
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since 04 October 2011

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