Laboratory durability testing of preservative treated wood products – first attempts and observations. Brischke, C., Sievert, M., Schilling, M., & Bollmus, S. In Proceedings IRG Annual Meeting, pages 15, Cairns, Australia, June, 2023. doi abstract bibtex In the past, durability classes (DC) had been assigned to wood species, sometimes also to homogenously modified wood-based materials such as thermally modified wood. More recently, some standards allow for classifying the biological durability of chemically modified wood, preservative treated wood and wood composites. Even treated products may be subject to durability classification, but necessary methods for representative sampling and testing of treated products are lacking. This study aimed at examining the feasibility and suitability of product testing for a durability classification of treated wood products. Sections of untreated and preservative-treated terrace decking and palisades were incubated with pure cultures of brown and white rot causing basidiomycetes under laboratory conditions. Instead of mass loss, the decayed cross-sectional area was determined and used for comparison. The spatial distribution of fungal decay and wood moisture content had been investigated. The effect of end-grain sealing and prestressing of the specimens on the decay development were examined as well.
@inproceedings{brischke_laboratory_2023,
address = {Cairns, Australia},
title = {Laboratory durability testing of preservative treated wood products – first attempts and observations},
doi = {IRG/WP 23-20697},
abstract = {In the past, durability classes (DC) had been assigned to wood species, sometimes also to homogenously modified wood-based materials such as thermally modified wood. More recently, some standards allow for classifying the biological durability of chemically modified wood, preservative treated wood and wood composites. Even treated products may be subject to durability classification, but necessary methods for representative sampling and testing of treated products are lacking. This study aimed at examining the feasibility and suitability of product testing for a durability classification of treated wood products. Sections of untreated and preservative-treated terrace decking and palisades were incubated with pure cultures of brown and white rot causing basidiomycetes under laboratory conditions. Instead of mass loss, the decayed cross-sectional area was determined and used for comparison. The spatial distribution of fungal decay and wood moisture content had been investigated. The effect of end-grain sealing and prestressing of the specimens on the decay development were examined as well.},
language = {en},
booktitle = {Proceedings {IRG} {Annual} {Meeting}},
author = {Brischke, Christian and Sievert, Marten and Schilling, Max and Bollmus, Susanne},
month = jun,
year = {2023},
pages = {15},
file = {Brischke et al. - Laboratory durability testing of preservative trea.pdf:C\:\\Users\\Eva\\Zotero\\storage\\JN926WXR\\Brischke et al. - Laboratory durability testing of preservative trea.pdf:application/pdf},
}
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