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Buildings
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Research on Wood and Composite Wood in Sustainable Construction
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Research on Wood and Composite Wood in Sustainable Construction

A special issue of Buildings (ISSN 2075-5309). This special issue belongs to the section "Building Materials, and Repair & Renovation".

Deadline for manuscript submissions: closed (30 September 2024) | Viewed by 5361

Special Issue Editors

Prof. Dr. Takahisa Nakai

E-Mail Website
Guest Editor
Graduate School of Bioresources, Mie University, Mie 514-8507, Japan
Interests: wood physics; wooden dwelling environment
Prof. Dr. Tadashi Ohtani

E-Mail Website
Guest Editor
Faculty of Education, Technology and Information Sciences, Tokyo Gakugei University, Koganei 184-8501, Japan
Interests: wood machining

Special Issue Information

Dear Colleagues,

The application of wood and composite wood in sustainable architecture is an important theme for realizing a decarbonized society.

The purpose of this Special Issue is to collect innovative research on the utilization of wood and composite wood in sustainable construction. Innovative experimental studies, state-of-the-art research and other original findings are invited.

Prof. Dr. Takahisa Nakai
Prof. Dr. Tadashi Ohtani
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Buildings is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • wood physics
  • wood anatomy/quality
  • wood machining
  • wood drying
  • wooden dwelling environment
  • wood preservation
  • wood chemistry
  • wood functionalization
  • wood extract component

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (4 papers)

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Research

10 pages, 2982 KiB  
Article
Effects of Wood Drying Temperatures on the Reduction in Mechanical Properties of Japanese Cedar (Cryptomeria japonica D. Don) Perpendicular to Grain
by Keisuke Toba, Takahisa Nakai and Hayato Saito
Buildings 2024, 14(9), 2624; https://doi.org/10.3390/buildings14092624 - 24 Aug 2024
Viewed by 1141
Abstract
Wood drying is often accompanied by changes in mechanical properties due to external thermal energy. This study examined the influences of drying temperature on the mechanical properties of Japanese cedar based on the partial compression properties and bending properties. Two types of longitudinal [...] Read more.
Wood drying is often accompanied by changes in mechanical properties due to external thermal energy. This study examined the influences of drying temperature on the mechanical properties of Japanese cedar based on the partial compression properties and bending properties. Two types of longitudinal specimens with quarter grain on both lateral surfaces were prepared under green conditions, followed by subsequent drying under each drying temperature (20 °C, 40 °C, 60 °C, 80 °C, and 100 °C). Then, the partial compression and bending tests were performed using the respective specimens. Young’s modulus perpendicular to grain, yield stress, and compressive strength obtained by the partial compressive test were highest for wood dried at 20 °C. It was considered that the decrease in mechanical properties was attributed to the thermal influences during drying at 100 °C and other factors such as compressive residual stress and cell walls collapsing at lower temperatures. The strain energy suggested that the effects of drying temperature became apparent, especially in the plastic region during loading in the direction perpendicular to the wood fiber. Bending properties showed little influence on drying temperatures compared to the partial compressive properties, whereas the fractures found under the loading point of the wood dried at 100 °C suggested a reduction in resistance to shear forces. Full article
(This article belongs to the Special Issue Research on Wood and Composite Wood in Sustainable Construction)
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13 pages, 5968 KiB  
Article
Effects of the Presence of Suberin in the Cork of Cerasus jamasakura (Siebold ex Koidz.) H. Ohba on the High Toughness Behaviour
by Hayato Saito, Takahisa Nakai, Keisuke Toba and Toru Kanbayashi
Buildings 2024, 14(8), 2411; https://doi.org/10.3390/buildings14082411 - 5 Aug 2024
Viewed by 1317
Abstract
Cork, the outermost tissue of bark, plays an important role in protecting trees from the surrounding environment and is used for various purposes, including flooring and insulation materials for buildings. This study focused on the amount and distribution of hydrophobic substances such as [...] Read more.
Cork, the outermost tissue of bark, plays an important role in protecting trees from the surrounding environment and is used for various purposes, including flooring and insulation materials for buildings. This study focused on the amount and distribution of hydrophobic substances such as suberin and lignin in cork, as well as moisture conditions, to understand the mechanical properties of Cerasus jamasakura cork. Strips of cork were subjected to tensile tests after exposure to various moisture conditions (water-saturated, air-dried and oven-dried), and also after the desuberinisation and delignification of specimens. Cork with a high moisture content showed significant strain to the tensile load, whereas oven-dried specimens showed little toughness. The increased toughness of cork at higher moisture contents was due to the continued elongation in the plastic region, especially in the inner cork. The fibre length of the highly deformed cork differed significantly before and after the tensile test. Tensile tests of cork after desuberinisation and delignification indicated that the removal of suberin caused an earlier reduction in tensile properties than the removal of lignin. The presence of suberin in cork, distributed mainly in the inner cork, is believed to affect the tensile properties of cork. Full article
(This article belongs to the Special Issue Research on Wood and Composite Wood in Sustainable Construction)
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10 pages, 2011 KiB  
Article
Effects of Prolonged Leaching on the Acute Ecotoxicity of Spruce-Pine Oriented Strand Board for Plants
by Klára Kobetičová, Hana Sedláčková, Martin Böhm, Jiří Brich, Jana Nábělková and Robert Černý
Buildings 2024, 14(6), 1721; https://doi.org/10.3390/buildings14061721 - 8 Jun 2024
Viewed by 787
Abstract
In this study, the ecotoxicological effects of a selected OSB material on three model plants (green freshwater algae Desmodesmus subspicatus, duckweed Lemna minor, and seeds of lettuce Lactuca sativa) were tested. A 24 h and 168 h leachate of the [...] Read more.
In this study, the ecotoxicological effects of a selected OSB material on three model plants (green freshwater algae Desmodesmus subspicatus, duckweed Lemna minor, and seeds of lettuce Lactuca sativa) were tested. A 24 h and 168 h leachate of the same OSB material was prepared. Mg, Si, Ca, K, Fe, Zn, Mn, and Na were found in the samples. Their higher residues were measured in the 168 h leachate. Biogenic elements (N, P, C) were not detected. The acute effect was relatively slow (for algae up to 26%, for duckweed up to 20%, and for lettuce seeds with stimulation up to 37%). Prolongation of the leaching time did not show any effect on the results of the plant tests. Acute toxicity for the three plant species used was slow. Full article
(This article belongs to the Special Issue Research on Wood and Composite Wood in Sustainable Construction)
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14 pages, 3509 KiB  
Article
Quantitative Evaluation of GHG Emissions from Hardwood Furniture in Japan and the Effect of Using Domestic Hardwoods
by Iori Onoda, Yuki Fuchigami and Takahisa Nakai
Buildings 2024, 14(4), 1130; https://doi.org/10.3390/buildings14041130 - 17 Apr 2024
Viewed by 1252
Abstract
In this study, in order to clarify the impact of the use of domestic timber for wooden chairs on greenhouse gas (hereinafter referred to as GHG) emissions from the product life cycle, chairs made of foreign hardwoods (referred to as Product A and [...] Read more.
In this study, in order to clarify the impact of the use of domestic timber for wooden chairs on greenhouse gas (hereinafter referred to as GHG) emissions from the product life cycle, chairs made of foreign hardwoods (referred to as Product A and Product B) manufactured by two wooden furniture manufacturers (referred to as Companies A and B) in the Hida-Takayama region of Gifu Prefecture, respectively, were evaluated with regard to GHG emissions and carbon storage, as calculated from raw material procurement to product manufacturing. In addition, GHG emissions were calculated for the case where the origin of the hardwood was converted from overseas to Japanese local and regional production. As a result, GHG emissions when foreign hardwoods were used were 23.12 kg-CO2e and 22.23 kg-CO2e per leg for Product A and Product B, respectively, and carbon storage was 11.20 kg-CO2 and 16.90 kg-CO2. In addition, the conversion of hardwoods to local and regional origin was found to reduce GHG emissions by about 25% and 27% for Product A and about 20% and 21% for Product B, respectively. Full article
(This article belongs to the Special Issue Research on Wood and Composite Wood in Sustainable Construction)
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