Article (Scientific journals)
Influence of a long-term storage in anaerobic conditions on Norway spruce (Picea abies, L. Karst.) physical and mechanical wood properties
Riguelle, Simon; Lesire, Cécile; Hebert, Jacques et al.
2016In Wood Material Science and Engineering
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Keywords :
anaerobic storage; spruce; windthrow; wood properties; technologie du bois; stockage anaérobie; épicéa; chablis
Abstract :
[en] Timber storage is a key aspect of storm damage management. After huge storms, sprinkling storage is usually the most used conservation process but anaerobic storage in sealed silos appears as good alternative to preserve wood quality over long periods. This paper investigates the impact of long-term (57 months) storage of Norway spruce logs in anaerobic atmosphere on wood properties. Tests were performed on clear wood specimens and on lumbers to determine the modulus of elasticity (E), the static bending strength (σf) and the dynamic bending strength (K). Storage effects on impregnability and colour variation were also studied. Results show no effect of storage on E, σf and K. The naturally poor impregnability of Norway spruce is not improved by the anaerobic conditions, compared to traditional wet storage. Triangle tests reveal no discernible colour variation between logs that underwent anaerobic storage and the control sample. As a conclusion, despite a mould (Gliocladium solani) frequently observed on logs surface after the storage, the process offers ideal conservation conditions. While overall cost remains the main drawback for using anaerobic storage at large scale, the process can be recommended for high value logs, especially since it has few environmental impacts.
Disciplines :
Phytobiology (plant sciences, forestry, mycology...)
Author, co-author :
Riguelle, Simon ;  Université de Liège - ULiège > Form. doct. sc. agro. & ingé. biol.
Lesire, Cécile ;  Université de Liège > Ingénierie des biosystèmes (Biose) > Gestion des ressources forestières et des milieux naturels
Hebert, Jacques ;  Université de Liège > Ingénierie des biosystèmes (Biose) > Gestion des ressources forestières et des milieux naturels
Jourez, Benoît ;  Université de Liège > Ingénierie des biosystèmes (Biose) > Gestion des ressources forestières et des milieux naturels
Language :
English
Title :
Influence of a long-term storage in anaerobic conditions on Norway spruce (Picea abies, L. Karst.) physical and mechanical wood properties
Alternative titles :
[fr] Impact d'un stockage anaérobie à long terme sur les propriétés physiques et mécaniques du bois d'épicéa (Picea abies, L. Karst.)
Publication date :
2016
Journal title :
Wood Material Science and Engineering
ISSN :
1748-0272
eISSN :
1748-0280
Publisher :
Taylor & Francis Ltd
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 03 May 2016

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