Estimating the Service Life of Timber Structures Concerning Risk and Influence of Fungal Decay—A Review of Existing Theory and Modelling Approaches

Wood is a renewable resource and a promising construction material for the growing bio-based economy. Efficiently utilising wood in the built environment requires a comprehensive understanding of the dynamics regarding its usability. Durability is an essential property to consider, as various types...

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Main Authors: Philip Bester van Niekerk, Christian Brischke, Jonas Niklewski
Format: Article
Language:English
Published: MDPI AG 2021-05-01
Series:Forests
Subjects:
Online Access:https://www.mdpi.com/1999-4907/12/5/588
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author Philip Bester van Niekerk
Christian Brischke
Jonas Niklewski
author_facet Philip Bester van Niekerk
Christian Brischke
Jonas Niklewski
author_sort Philip Bester van Niekerk
collection DOAJ
description Wood is a renewable resource and a promising construction material for the growing bio-based economy. Efficiently utilising wood in the built environment requires a comprehensive understanding of the dynamics regarding its usability. Durability is an essential property to consider, as various types of exposure create conditions for the deterioration of wood through biotic and abiotic agents. Biodegradable materials introduce increased complexity to construction and design processes, as material decomposition during a structure’s lifetime presents a physical risk to human health and safety and costs related to repairs and maintenance. Construction professionals are thus tasked with utilising wooden elements to accentuate the material’s beneficial properties while reducing the risk of in-service decomposition. In this paper, only the cause and effect of fungal induced decay on the service life of wooden buildings and other wood-based construction assets are reviewed. The service life of wood components can thus be extended if suitable growing conditions are controlled. Multiple existing modelling approaches are described throughout the text, with special attention given to the two most comprehensive ones; TimberLife and the WoodExter. In choosing an appropriate model for a specific application, the authors recommend evaluating the model’s regional specificity, complexity, practicality, longevity and adaptability.
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spelling doaj.art-11204083229844269d7425ab8e9555e22023-11-21T18:47:15ZengMDPI AGForests1999-49072021-05-0112558810.3390/f12050588Estimating the Service Life of Timber Structures Concerning Risk and Influence of Fungal Decay—A Review of Existing Theory and Modelling ApproachesPhilip Bester van Niekerk0Christian Brischke1Jonas Niklewski2Wood Biology and Wood Products, University of Goettingen, 37077 Goettingen, GermanyWood Biology and Wood Products, University of Goettingen, 37077 Goettingen, GermanyDivision of Structural Engineering, Lund University, 221 00 Lund, SwedenWood is a renewable resource and a promising construction material for the growing bio-based economy. Efficiently utilising wood in the built environment requires a comprehensive understanding of the dynamics regarding its usability. Durability is an essential property to consider, as various types of exposure create conditions for the deterioration of wood through biotic and abiotic agents. Biodegradable materials introduce increased complexity to construction and design processes, as material decomposition during a structure’s lifetime presents a physical risk to human health and safety and costs related to repairs and maintenance. Construction professionals are thus tasked with utilising wooden elements to accentuate the material’s beneficial properties while reducing the risk of in-service decomposition. In this paper, only the cause and effect of fungal induced decay on the service life of wooden buildings and other wood-based construction assets are reviewed. The service life of wood components can thus be extended if suitable growing conditions are controlled. Multiple existing modelling approaches are described throughout the text, with special attention given to the two most comprehensive ones; TimberLife and the WoodExter. In choosing an appropriate model for a specific application, the authors recommend evaluating the model’s regional specificity, complexity, practicality, longevity and adaptability.https://www.mdpi.com/1999-4907/12/5/588decayfungimodellingservice life planningwood
spellingShingle Philip Bester van Niekerk
Christian Brischke
Jonas Niklewski
Estimating the Service Life of Timber Structures Concerning Risk and Influence of Fungal Decay—A Review of Existing Theory and Modelling Approaches
Forests
decay
fungi
modelling
service life planning
wood
title Estimating the Service Life of Timber Structures Concerning Risk and Influence of Fungal Decay—A Review of Existing Theory and Modelling Approaches
title_full Estimating the Service Life of Timber Structures Concerning Risk and Influence of Fungal Decay—A Review of Existing Theory and Modelling Approaches
title_fullStr Estimating the Service Life of Timber Structures Concerning Risk and Influence of Fungal Decay—A Review of Existing Theory and Modelling Approaches
title_full_unstemmed Estimating the Service Life of Timber Structures Concerning Risk and Influence of Fungal Decay—A Review of Existing Theory and Modelling Approaches
title_short Estimating the Service Life of Timber Structures Concerning Risk and Influence of Fungal Decay—A Review of Existing Theory and Modelling Approaches
title_sort estimating the service life of timber structures concerning risk and influence of fungal decay a review of existing theory and modelling approaches
topic decay
fungi
modelling
service life planning
wood
url https://www.mdpi.com/1999-4907/12/5/588
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AT jonasniklewski estimatingtheservicelifeoftimberstructuresconcerningriskandinfluenceoffungaldecayareviewofexistingtheoryandmodellingapproaches