Creation of density distribution charts in the cross and axial section of a tree trunk- Short Communication
The purpose of this paper is to develop a method of constructing density distribution charts in roundwood log based on the density values obtained with a resistograph. The problem of improving the performance properties of structures made of wood and wood-based composite materials and laminated prod...
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Czech Academy of Agricultural Sciences
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ftdoajarticles:oai:doaj.org/article:3d9d63abc1e742e1ab164d6e988fd737 2023-05-15T18:45:06+02:00 Creation of density distribution charts in the cross and axial section of a tree trunk- Short Communication M.F. Lavrov I.A. Doktorov G.M. Parnikova 2016-12-01T00:00:00Z https://doi.org/10.17221/24/2016-JFS https://doaj.org/article/3d9d63abc1e742e1ab164d6e988fd737 EN eng Czech Academy of Agricultural Sciences https://jfs.agriculturejournals.cz/artkey/jfs-201612-0006_creation-of-density-distribution-charts-in-the-cross-and-axial-section-of-a-tree-trunk-short-communication.php https://doaj.org/toc/1212-4834 https://doaj.org/toc/1805-935X 1212-4834 1805-935X doi:10.17221/24/2016-JFS https://doaj.org/article/3d9d63abc1e742e1ab164d6e988fd737 Journal of Forest Science, Vol 62, Iss 12, Pp 571-579 (2016) quality indicators larix gmelinii resistance-drilling resistograph densitogram graphical representation Forestry SD1-669.5 article 2016 ftdoajarticles https://doi.org/10.17221/24/2016-JFS 2023-02-26T01:34:37Z The purpose of this paper is to develop a method of constructing density distribution charts in roundwood log based on the density values obtained with a resistograph. The problem of improving the performance properties of structures made of wood and wood-based composite materials and laminated products is particularly relevant for construction in the northern regions. The experience of building in Yakutia shows sufficient reliability and durability of structures made of larch wood, despite the fact that their use is associated with technological challenges: larch planks warp and crack during the drying process; rigidity of wood increases. These disadvantages are caused by the structural features of the wood material; the degree of their intensity is proportional to the index of wood density. This paper presents the methods and results of qualitative research on wood indices obtained in laboratory and field conditions, as well as the authors' methods of graphical representation of density distribution in the cross and axial sections of a tree trunk, which are based on measurements taken via the method of oriented drilling. In the experimental studies, we performed a comparative analysis of the two-dimensional charts of density distribution with the charts of velocity distribution of acoustic pulses produced by a sonic tomograph "Arbotom". The elaborated method of evaluating the quality indicators of forest resources contributes to the expansion of the boundaries of wood-based material utilization, reduces their cost and improves the quality of construction of wooden structures and buildings. Article in Journal/Newspaper Yakutia Directory of Open Access Journals: DOAJ Articles Journal of Forest Science 62 12 571 579 |
institution |
Open Polar |
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Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
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English |
topic |
quality indicators larix gmelinii resistance-drilling resistograph densitogram graphical representation Forestry SD1-669.5 |
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quality indicators larix gmelinii resistance-drilling resistograph densitogram graphical representation Forestry SD1-669.5 M.F. Lavrov I.A. Doktorov G.M. Parnikova Creation of density distribution charts in the cross and axial section of a tree trunk- Short Communication |
topic_facet |
quality indicators larix gmelinii resistance-drilling resistograph densitogram graphical representation Forestry SD1-669.5 |
description |
The purpose of this paper is to develop a method of constructing density distribution charts in roundwood log based on the density values obtained with a resistograph. The problem of improving the performance properties of structures made of wood and wood-based composite materials and laminated products is particularly relevant for construction in the northern regions. The experience of building in Yakutia shows sufficient reliability and durability of structures made of larch wood, despite the fact that their use is associated with technological challenges: larch planks warp and crack during the drying process; rigidity of wood increases. These disadvantages are caused by the structural features of the wood material; the degree of their intensity is proportional to the index of wood density. This paper presents the methods and results of qualitative research on wood indices obtained in laboratory and field conditions, as well as the authors' methods of graphical representation of density distribution in the cross and axial sections of a tree trunk, which are based on measurements taken via the method of oriented drilling. In the experimental studies, we performed a comparative analysis of the two-dimensional charts of density distribution with the charts of velocity distribution of acoustic pulses produced by a sonic tomograph "Arbotom". The elaborated method of evaluating the quality indicators of forest resources contributes to the expansion of the boundaries of wood-based material utilization, reduces their cost and improves the quality of construction of wooden structures and buildings. |
format |
Article in Journal/Newspaper |
author |
M.F. Lavrov I.A. Doktorov G.M. Parnikova |
author_facet |
M.F. Lavrov I.A. Doktorov G.M. Parnikova |
author_sort |
M.F. Lavrov |
title |
Creation of density distribution charts in the cross and axial section of a tree trunk- Short Communication |
title_short |
Creation of density distribution charts in the cross and axial section of a tree trunk- Short Communication |
title_full |
Creation of density distribution charts in the cross and axial section of a tree trunk- Short Communication |
title_fullStr |
Creation of density distribution charts in the cross and axial section of a tree trunk- Short Communication |
title_full_unstemmed |
Creation of density distribution charts in the cross and axial section of a tree trunk- Short Communication |
title_sort |
creation of density distribution charts in the cross and axial section of a tree trunk- short communication |
publisher |
Czech Academy of Agricultural Sciences |
publishDate |
2016 |
url |
https://doi.org/10.17221/24/2016-JFS https://doaj.org/article/3d9d63abc1e742e1ab164d6e988fd737 |
genre |
Yakutia |
genre_facet |
Yakutia |
op_source |
Journal of Forest Science, Vol 62, Iss 12, Pp 571-579 (2016) |
op_relation |
https://jfs.agriculturejournals.cz/artkey/jfs-201612-0006_creation-of-density-distribution-charts-in-the-cross-and-axial-section-of-a-tree-trunk-short-communication.php https://doaj.org/toc/1212-4834 https://doaj.org/toc/1805-935X 1212-4834 1805-935X doi:10.17221/24/2016-JFS https://doaj.org/article/3d9d63abc1e742e1ab164d6e988fd737 |
op_doi |
https://doi.org/10.17221/24/2016-JFS |
container_title |
Journal of Forest Science |
container_volume |
62 |
container_issue |
12 |
container_start_page |
571 |
op_container_end_page |
579 |
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1766236071624966144 |