Loading in 2 Seconds...
Loading in 2 Seconds...
Museu D. Diogo de Sousa, Braga, Portugal, 5-7 November 2008. P arallel session 2 (WG2) Strength of Aged Load Bearing Structures // POSTER N° 8. Creep properties of heat treated wood in radial direction. PhD student Julien COLMARS. Université Montpellier 2 - CNRS
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
Parallel session 2 (WG2) Strength of Aged Load Bearing Structures // POSTER N° 8
Creep properties of heat treated wood in radial direction.
Université Montpellier 2 - CNRS
Laboratoire de Mécanique et Génie Civil
Equipe Mécanique de l’Arbre et du Bois
Heat treatment was used in previous studies as an ‘accelerated ageing’ and showed so far good results on different softwood with respect to the darker color, fragile behavior and the improved stability against humidity changes.
Determine the effect of heat treatment on creep behavior of hardwood, such as Poplar wood, in transverse direction (literature is mainly focused on longitudinal direction). These choices were motivated by our previous work on panel paintings (COST IE0601 Florence 2007).
Host institute & Funding:
This study was conducted in Kyoto University thanks to the Japanese Society for Promotion of Science (JSPS).
Creep tests on Italian Poplar samples
in Radial direction
(150°C, 24 hours)
Saturated solutions: Relative Humidity 11,22,43,53,62,75,84,92,97% at 24°C
10 days conditioning
3 points bending
Creep Tests (10 hours)
At constant humidity (22,62,84,92,97%)
Influence of moisture content in service (even constant mc%) on creep behavior of both treated and untreated poplar.
Chemical modification of wood during heat treatment and its effects on creep properties.
Discussion about post treatment methods for analyzing the results (Time response spectrum, Approximate Complex Plane…).
ToMiyuki MATSUO and Misao YOKOYAMA from RISH (Kyoto University) for the discussions about heat treatment. Thanks to Luca UZIELLI for providing the material of this study, and Bertrand MARCON for preparing and deliver it...