Natural Durability of Timber Exposed Above Ground – a Survey

Besides its inherent resistance against degrading organisms, the durability of timber is influenced by design details and climatic conditions, making it difficult to treat wood durability as an absolute value. Durability classification is, therefore, based on comparing performance indicators between...

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Autores principales:	Christian Brischke, Linda Meyer, Gry Alfredsen, Miha Humar, Lesley Francis, Per-Otto Flæte, Pia Larsson-Brelid
Formato:	article
Lenguaje:	EN
Publicado:	University of Zagreb, Faculty of Forestry and Wood Technology 2013
Materias:	durability classes field tests resistance factor service life prediction test methodology use class 3 Forestry SD1-669.5
Acceso en línea:	https://doaj.org/article/a2d11c91191f4201b41085cc83355ff2
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spelling	oai:doaj.org-article:a2d11c91191f4201b41085cc83355ff22021-12-02T04:12:20ZNatural Durability of Timber Exposed Above Ground – a Survey10.5552/drind.2013.12210012-67721847-1153https://doaj.org/article/a2d11c91191f4201b41085cc83355ff22013-06-01T00:00:00Zhttp://hrcak.srce.hr/file/153253https://doaj.org/toc/0012-6772https://doaj.org/toc/1847-1153Besides its inherent resistance against degrading organisms, the durability of timber is influenced by design details and climatic conditions, making it difficult to treat wood durability as an absolute value. Durability classification is, therefore, based on comparing performance indicators between the timber in question and a reference timber. These relative values are grouped and related to durability classes, which can refer to a high range of service-lives. The insufficient comparability of such durability records has turned out to be a key challenge for service-life prediction. This paper reviewed literature data, based on service-life measures, not masked by a durability classification. It focused on natural durability of timber tested in the field above-ground. Additionally, results from ongoing aboveground durability studies in Europe and Australia are presented and have been used for further analysis. In total, 163 durability recordings from 31 different test sites worldwide based on ten different test methods have been considered for calculation of resistance factors. The datasets were heterogeneous in quality and quantity; the resulting resistance factors suffered from high variation. In conclusion, an open platform for scientific exchange is needed to increase the amount of available service-life related data.Christian BrischkeLinda MeyerGry AlfredsenMiha HumarLesley FrancisPer-Otto FlætePia Larsson-BrelidUniversity of Zagreb, Faculty of Forestry and Wood Technologyarticledurability classesfield testsresistance factorservice life predictiontest methodologyuse class 3ForestrySD1-669.5ENDrvna Industrija, Vol 64, Iss 2, Pp 113-129 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	durability classes field tests resistance factor service life prediction test methodology use class 3 Forestry SD1-669.5
spellingShingle	durability classes field tests resistance factor service life prediction test methodology use class 3 Forestry SD1-669.5 Christian Brischke Linda Meyer Gry Alfredsen Miha Humar Lesley Francis Per-Otto Flæte Pia Larsson-Brelid Natural Durability of Timber Exposed Above Ground – a Survey
description	Besides its inherent resistance against degrading organisms, the durability of timber is influenced by design details and climatic conditions, making it difficult to treat wood durability as an absolute value. Durability classification is, therefore, based on comparing performance indicators between the timber in question and a reference timber. These relative values are grouped and related to durability classes, which can refer to a high range of service-lives. The insufficient comparability of such durability records has turned out to be a key challenge for service-life prediction. This paper reviewed literature data, based on service-life measures, not masked by a durability classification. It focused on natural durability of timber tested in the field above-ground. Additionally, results from ongoing aboveground durability studies in Europe and Australia are presented and have been used for further analysis. In total, 163 durability recordings from 31 different test sites worldwide based on ten different test methods have been considered for calculation of resistance factors. The datasets were heterogeneous in quality and quantity; the resulting resistance factors suffered from high variation. In conclusion, an open platform for scientific exchange is needed to increase the amount of available service-life related data.
format	article
author	Christian Brischke Linda Meyer Gry Alfredsen Miha Humar Lesley Francis Per-Otto Flæte Pia Larsson-Brelid
author_facet	Christian Brischke Linda Meyer Gry Alfredsen Miha Humar Lesley Francis Per-Otto Flæte Pia Larsson-Brelid
author_sort	Christian Brischke
title	Natural Durability of Timber Exposed Above Ground – a Survey
title_short	Natural Durability of Timber Exposed Above Ground – a Survey
title_full	Natural Durability of Timber Exposed Above Ground – a Survey
title_fullStr	Natural Durability of Timber Exposed Above Ground – a Survey
title_full_unstemmed	Natural Durability of Timber Exposed Above Ground – a Survey
title_sort	natural durability of timber exposed above ground – a survey
publisher	University of Zagreb, Faculty of Forestry and Wood Technology
publishDate	2013
url	https://doaj.org/article/a2d11c91191f4201b41085cc83355ff2
work_keys_str_mv	AT christianbrischke naturaldurabilityoftimberexposedabovegroundasurvey AT lindameyer naturaldurabilityoftimberexposedabovegroundasurvey AT gryalfredsen naturaldurabilityoftimberexposedabovegroundasurvey AT mihahumar naturaldurabilityoftimberexposedabovegroundasurvey AT lesleyfrancis naturaldurabilityoftimberexposedabovegroundasurvey AT perottoflæte naturaldurabilityoftimberexposedabovegroundasurvey AT pialarssonbrelid naturaldurabilityoftimberexposedabovegroundasurvey
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Natural Durability of Timber Exposed Above Ground – a Survey

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