TY - GEN
T1 - Multi-Scale Investigation of the Hygromechanical Behavior of Wood by X-Ray Microtomography and Digital Volume Correlation
AU - Bonnet, Marie
AU - Caré, Sabine
AU - Bornert, Michel
AU - Aimedieu, Patrick
AU - King, Andrew
N1 - Publisher Copyright:
© ASCE.
PY - 2017/1/1
Y1 - 2017/1/1
N2 - Swelling/shrinkage behavior of wood induced by relative humidity variations is anisotropic and influenced by its multi-scale and heterogeneous structure. In this study, 3D characterization of the structure and the hygromechanical behavior of earlywood, latewood and growth-ring samples is performed by X-ray microtomography. Samples are subjected to a relative humidity increase (44% to 97% RH) and imaged once they have reached their equilibrium moisture content. Digital volume correlation is used to measure the global and local strains. Earlywood and latewood exhibit different macroscopic hygromechanical behavior. Strains are not similarly distributed in the two types of wood. The local distribution of the strains related to the microstructure and interactions between earlywood and latewood are discussed.
AB - Swelling/shrinkage behavior of wood induced by relative humidity variations is anisotropic and influenced by its multi-scale and heterogeneous structure. In this study, 3D characterization of the structure and the hygromechanical behavior of earlywood, latewood and growth-ring samples is performed by X-ray microtomography. Samples are subjected to a relative humidity increase (44% to 97% RH) and imaged once they have reached their equilibrium moisture content. Digital volume correlation is used to measure the global and local strains. Earlywood and latewood exhibit different macroscopic hygromechanical behavior. Strains are not similarly distributed in the two types of wood. The local distribution of the strains related to the microstructure and interactions between earlywood and latewood are discussed.
UR - https://www.scopus.com/pages/publications/85026309830
U2 - 10.1061/9780784480779.049
DO - 10.1061/9780784480779.049
M3 - Conference contribution
AN - SCOPUS:85026309830
T3 - Poromechanics 2017 - Proceedings of the 6th Biot Conference on Poromechanics
SP - 403
EP - 410
BT - Poromechanics 2017 - Proceedings of the 6th Biot Conference on Poromechanics
A2 - Dangla, Patrick
A2 - Pereira, Jean-Michel
A2 - Ghabezloo, Siavash
A2 - Vandamme, Matthieu
PB - American Society of Civil Engineers (ASCE)
T2 - 6th Biot Conference on Poromechanics, Poromechanics 2017
Y2 - 9 July 2017 through 13 July 2017
ER -