Modelling the material resistance of wood—Part 3: Relative resistance in above and in ground situations—Results of a global survey

Christian Brischke*, Gry Alfredsen, Miha Humar, Elena Conti, Laurie Cookson, Lukas Emmerich, Per Otto Flæte, Stefania Fortino, Lesley Francis, Ulrich Hundhausen, Ilze Irbe, Kordula Jacobs, Morten Klamer, Davor Kržišnik, Boštjan Lesar, Eckhard Melcher, Linda Meyer-Veltrup, Jeffrey J. Morrell, Jack Norton, Sabrina PalantiGerald Presley, Ladislav Reinprecht, Tripti Singh, Rod Stirling, Martti Venäläinen, Mats Westin, Andrew H.H. Wong, Ed Suttie

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

19 Citations (Scopus)
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Abstract

Durability-based designs with timber require reliable information about the wood properties and how they affect its performance under variable exposure conditions. This study aimed at utilizing a material resistance model (Part 2 of this publication) based on a dose–response approach for predicting the relative decay rates in above-ground situations. Laboratory and field test data were, for the first time, surveyed globally and used to determine material-specific resistance dose values, which were correlated to decay rates. In addition, laboratory indicators were used to adapt the material resistance model to in-ground exposure. The relationship between decay rates in-and above-ground, the predictive power of laboratory indicators to predict such decay rates, and a method for implementing both in a service life prediction tool, were established based on 195 hardwoods, 29 softwoods, 19 modified timbers, and 41 preservative-treated timbers.

Original languageEnglish
Article number590
JournalForests
Volume12
Issue number5
DOIs
Publication statusPublished - May 2021
MoE publication typeA1 Journal article-refereed

Funding

C.B., G.A., S.F. and E.S. received funding in the frame of the research project CLICKdesign, which is supported under the umbrella of ERA-NET Cofund ForestValue by the Ministry of Education, Science and Sport (MIZS) Slovenia; The Ministry of the Environment (YM) Finland; The Forestry Commissioners (FC) UK; Research Council of Norway (RCN, 297899) Norway; The French Environment and Energy Management Agency (ADEME) and The French National Research Agency (ANR) France; The Swedish Research Council for Environment, Agricultural Sciences and Spatial Planning (FORMAS), Swedish Energy Agency (SWEA), Swedish Governmental Agency for Innovation Systems (Vinnova) Sweden; Federal Ministry of Food and Agriculture (BMEL) and Agency for Renewable Resources (FNR) Germany. ForestValue has received funding from the European Union's Horizon 2020 research and innovation program under grant agreement N 773324. We acknowledge support by the Open Access Publication Funds of Goettingen University.

Keywords

  • Biological durability
  • Dose–response model
  • Fungal decay
  • Moisture dynamics
  • Moisture performance
  • Service life prediction
  • Water uptake and release
  • Wetting ability

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