Reference : Behaviour of Grade 8.8 bolts under natural fire conditions - Tests and model
Scientific journals : Article
Engineering, computing & technology : Civil engineering
Behaviour of Grade 8.8 bolts under natural fire conditions - Tests and model
Hanus, François mailto [Engineering office B.E.S.T. > > > >]
Zilli, Guiliana [Centro Sviluppo Materiali, Italy > > > >]
Franssen, Jean-Marc mailto [Université de Liège - ULiège > Département Argenco : Secteur SE > Ingénierie du feu >]
Journal of Constructional Steel Research
Elsevier Science
Yes (verified by ORBi)
United Kingdom
[en] fire ; bolt ; natural fire ; tests ; model ; cooling
[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
Research Fund for Coal and Steel
Researchers ; Professionals

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