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

Christian Brischke (Corresponding Author), 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

Research output: Contribution to journalArticleScientificpeer-review

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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

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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