Scientific conference in universities or research centers (Scientific conferences in universities or research centers)
Influence of cracks on the stiffness of timber structural elements
Mergny, Elke; Mateo, Raquel; Esteban, Miguel et al.
2016
 

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Keywords :
Timber engineering; Cracks; Analytical X-ray tomography
Abstract :
[en] Cracks in timber structural elements lead users to downgrade them, while their influence on the mechanical properties is globally unknown. They are thus disadvantageous and responsible for an underutilization of timber in new constructions. The phenomenon also impacts constructions subjected to transformation or renovation that are most of the time fully replaced, simply because of the ignorance of their bearing capacity. The present paper investigates the influence of cracks on stiffness, by analytical and numerical developments. It proposes a classification of cracks in six types (+ composite types) and models real beams, randomly cracked. It shows that the presence of cracks seems to decrease the stiffness of the beam. However, it is not so obvious to give the most damaging type of crack, among the six proposed. Further investigations will be necessary.
Disciplines :
Civil engineering
Author, co-author :
Mergny, Elke ;  Université de Liège > Département ArGEnCo > Ingénierie du feu
Mateo, Raquel;  Universidad Politécnica de Madrid
Esteban, Miguel;  Universidad Politécnica de Madrid
Descamps, Thierry;  Université de Mons-Hainaut - UMH
Latteur, Pierre ;  Université Catholique de Louvain - UCL
Language :
English
Title :
Influence of cracks on the stiffness of timber structural elements
Alternative titles :
[en] Influence of cracks on the stiffness of timber structural elements
Publication date :
August 2016
Number of pages :
10
Event name :
World Conference on Timber Engineering (WCTE 2016)
Event place :
Vienna, Austria
Event date :
22-25 August 2016
Audience :
International
Available on ORBi :
since 15 November 2016

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