Comparison of mechanical properties of recent and 400-year-old European larch wood

Wood has been the leading building material throughout the history of mankind. Wood has several advantages over other construction materials, which also makes it one of the most promising materials of the future. The environmental aspect also plays a major role today, as wood is a natural, renewabl...

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Main Authors: Enej Lipovec Zupanc, Gorazd Fajdiga, Miha Humar
Format: Article
Language:English
Published: University of Ljubljana Press (Založba Univerze v Ljubljani) 2021-09-01
Series:Les
Subjects:
Online Access:https://journals.uni-lj.si/les-wood/article/view/12092
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author Enej Lipovec Zupanc
Gorazd Fajdiga
Miha Humar
author_facet Enej Lipovec Zupanc
Gorazd Fajdiga
Miha Humar
author_sort Enej Lipovec Zupanc
collection DOAJ
description Wood has been the leading building material throughout the history of mankind. Wood has several advantages over other construction materials, which also makes it one of the most promising materials of the future. The environmental aspect also plays a major role today, as wood is a natural, renewable resource whose processing is very energy-intensive. Due to its repeated and widespread use in construction, the prediction of mechanical properties and their change over time is also very well known, as the overall safety of all buildings also depends on it. Therefore, we compared the mechanical properties of fresh European larch (Larix decidua) and 400-year-old larch found in the Ruard manor house on the Stara Sava in Jesenice, where the renovation of the Upper Sava Museum is currently underway. In order to predict what will happen to the fresh wood over the long term, it is necessary to expose the wood to the same conditions, i.e. to change it with dynamic loads or material fatigue. The effect of aging on flexural strength has not been confirmed. Fatigue results show that old wood withstood about 18 times fewer load cycles than recent larch wood.
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spelling doaj.art-9ce939806bbb4e3c9cfdb70cd8a595092023-01-17T10:36:27ZengUniversity of Ljubljana Press (Založba Univerze v Ljubljani)Les0024-10672590-99322021-09-0170210.26614/les-wood.2021.v70n02a01Comparison of mechanical properties of recent and 400-year-old European larch woodEnej Lipovec ZupancGorazd FajdigaMiha Humar Wood has been the leading building material throughout the history of mankind. Wood has several advantages over other construction materials, which also makes it one of the most promising materials of the future. The environmental aspect also plays a major role today, as wood is a natural, renewable resource whose processing is very energy-intensive. Due to its repeated and widespread use in construction, the prediction of mechanical properties and their change over time is also very well known, as the overall safety of all buildings also depends on it. Therefore, we compared the mechanical properties of fresh European larch (Larix decidua) and 400-year-old larch found in the Ruard manor house on the Stara Sava in Jesenice, where the renovation of the Upper Sava Museum is currently underway. In order to predict what will happen to the fresh wood over the long term, it is necessary to expose the wood to the same conditions, i.e. to change it with dynamic loads or material fatigue. The effect of aging on flexural strength has not been confirmed. Fatigue results show that old wood withstood about 18 times fewer load cycles than recent larch wood. https://journals.uni-lj.si/les-wood/article/view/12092woodEuropean larch (Larix decidua)fatigueRuard's Mansionold wood
spellingShingle Enej Lipovec Zupanc
Gorazd Fajdiga
Miha Humar
Comparison of mechanical properties of recent and 400-year-old European larch wood
Les
wood
European larch (Larix decidua)
fatigue
Ruard's Mansion
old wood
title Comparison of mechanical properties of recent and 400-year-old European larch wood
title_full Comparison of mechanical properties of recent and 400-year-old European larch wood
title_fullStr Comparison of mechanical properties of recent and 400-year-old European larch wood
title_full_unstemmed Comparison of mechanical properties of recent and 400-year-old European larch wood
title_short Comparison of mechanical properties of recent and 400-year-old European larch wood
title_sort comparison of mechanical properties of recent and 400 year old european larch wood
topic wood
European larch (Larix decidua)
fatigue
Ruard's Mansion
old wood
url https://journals.uni-lj.si/les-wood/article/view/12092
work_keys_str_mv AT enejlipoveczupanc comparisonofmechanicalpropertiesofrecentand400yearoldeuropeanlarchwood
AT gorazdfajdiga comparisonofmechanicalpropertiesofrecentand400yearoldeuropeanlarchwood
AT mihahumar comparisonofmechanicalpropertiesofrecentand400yearoldeuropeanlarchwood