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Analysis of the durability of glued wood-concrete assembly subjected to water loading by full-field strain measurements.
Loulou L., Caré S., Le Roy R., Bornert M.
Dans Photomechanics 2011 - Photomechanics 2011, International conference of full-field measurement techniques and their applications in experimental solid mechanics, Brussels : Belgique (2011) - http://hal.archives-ouvertes.fr/hal-00569012
Conference proceedings
Engineering Sciences/Mechanics/Mechanics of materials
Physics/Mechanics/Mechanics of materials
Analysis of the durability of glued wood-concrete assembly subjected to water loading by full-field strain measurements.
Louisa Loulou () 1, Sabine Caré ( ) 1, Robert Le Roy 1, Michel Bornert () 1, 2
1:  Laboratoire Navier
Ecole des Ponts ParisTech – CNRS : UMR8205 – IFSTTAR
Ecole des Ponts ParisTech 6 / 8 avenue Blaise Pascal 77455 CHAMPS SUR MARNE
France
2:  Laboratoire de mécanique des solides (LMS)
http://www.lms.polytechnique.fr
CNRS : UMR7649 – Polytechnique - X – MINES ParisTech - École nationale supérieure des mines de Paris
Route de Saclay 91128 PALAISEAU CEDEX
France
Multi-échelle
This paper discusses the factors influencing the durability of glued assemblies of wood and cementitious material under variable hygrometric conditions. The composite specimens are composed of cementitious material connected to wood using epoxy glue. Global strains compared to free strains have been measured and local strains have been characterized by means of the digital image correlation technique. We showed in particular that the deformations in wood are related to the microstructure of the wood and that the restrained deformations at the glue interface may induce damage in cementitious material. The mechanisms of damage are correlated to the anisotropy directions of the wood.
English

Photomechanics 2011
international
2011-02-07
2p

Photomechanics 2011, International conference of full-field measurement techniques and their applications in experimental solid mechanics
2011-02-07
2011-02-09
Brussels
Belgium

Glued wood concrete assembly – Durability – water loading – restrained deformation – DIC