[Study of the adhesion of composite strips and rods to concrete by bending (the beam test)]
The Near Surface Mounted (NSM) technique has been used in recent years for the strengthening of reinforced concrete beams. It involves the insertion of strips or rods of polymers reinforced with carbon fiber (CFRP) in the groove made previously in the concrete cover of corresponding surfaces, filled with epoxy adhesive for fixation. In order to characterize the bond behavior of the laminate and rods to concrete, an experimental work of pullout-bending tests was carried out. The pullout force at the laminate and the slip at the free and loaded end were measured. The influences of the concrete strength, the strength of the bond, and bond length on the bonding behavior between the three materials concrete, epoxy adhesive and CFRP were analyzed.
La technique Near Surface Mounted (NSM) a été utilisée ces dernières années pour le renforcement des poutres en béton armé. Elle consiste à lʼinsertion de plats ou de joncs de polymères renforcées de fibres de carbone (CFRP) dans des gravures réalisées préalablement dans le béton dʼenrobage des surfaces tendues et remplies de résines époxydiques pour fixation. Pour caractériser le comportement dʼadhérence des plats et des joncs de carbone avec le béton, des essais dʼadhérence par flexion ont été effectués. La force dʼarrachement dans les plats et dans les joncs, le glissement aux extrémités libres et chargées ont été mesurés. Les influences de la résistance du béton, le type de colle et la longueur ancrée sur le comportement dʼadhérence entre ces trois matériaux (béton, résine, composite) ont été analysées.
Accepted:
Published online:
Keywords: Solids and structures, NSM, CFRP, Beam test, Bond, Slip
Abdelghani Merdas 1; Bruno Fiorio 2; Nasr-Eddine Chikh 3
@article{CRMECA_2011__339_12_796_0,
author = {Abdelghani Merdas and Bruno Fiorio and Nasr-Eddine Chikh},
title = {\'Etude de l'adh\'erence des joncs et des plats composite avec le b\'eton par flexion (\protect\emph{beam test})},
journal = {Comptes Rendus. M\'ecanique},
pages = {796--804},
publisher = {Elsevier},
volume = {339},
number = {12},
year = {2011},
doi = {10.1016/j.crme.2011.10.002},
language = {fr},
}
TY - JOUR AU - Abdelghani Merdas AU - Bruno Fiorio AU - Nasr-Eddine Chikh TI - Étude de lʼadhérence des joncs et des plats composite avec le béton par flexion (beam test) JO - Comptes Rendus. Mécanique PY - 2011 SP - 796 EP - 804 VL - 339 IS - 12 PB - Elsevier DO - 10.1016/j.crme.2011.10.002 LA - fr ID - CRMECA_2011__339_12_796_0 ER -
%0 Journal Article %A Abdelghani Merdas %A Bruno Fiorio %A Nasr-Eddine Chikh %T Étude de lʼadhérence des joncs et des plats composite avec le béton par flexion (beam test) %J Comptes Rendus. Mécanique %D 2011 %P 796-804 %V 339 %N 12 %I Elsevier %R 10.1016/j.crme.2011.10.002 %G fr %F CRMECA_2011__339_12_796_0
Abdelghani Merdas; Bruno Fiorio; Nasr-Eddine Chikh. Étude de lʼadhérence des joncs et des plats composite avec le béton par flexion (beam test). Comptes Rendus. Mécanique, Volume 339 (2011) no. 12, pp. 796-804. doi : 10.1016/j.crme.2011.10.002. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.1016/j.crme.2011.10.002/
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