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Buildings
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Properties of Wood and Bamboo Used in Construction
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Properties of Wood and Bamboo Used in 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: 10 May 2024 | Viewed by 1425

Special Issue Editors

Dr. Yu-Hsiang Yeh

E-Mail Website
Guest Editor
Department of Architecture, National Cheng Kung University, Tainan 701, Taiwan
Interests: building construction; heritage conservation; life cycle assessment; timber construction
Prof. Dr. Te-Hsin Yang

E-Mail Website
Guest Editor
Department of Forestry, National Chung Hsing University, Taichung 402, Taiwan
Interests: wood; mechanical properties; bamboo

Special Issue Information

Dear Colleagues,

Along with the issues of sustainability, wooden constructions and bamboo products have arisen as eco-friendly solutions for building sectors. By means of processing or engineering techniques, the mechanical properties and applicational versatilities of wood and bamboo can be considerably enhanced. Associated evaluating methods have led to a significant increase in the reliability of engineered components and structures. Based on the current progress and propagation, wooden constructions and bamboo products have achieved a promising milestone. The markets and users are looking forward to the further development of wooden construction and bamboo products. Regarding the large-scale structures and highly engineered elements, advanced technology and science need further promotion and improvement.

Dr. Yu-Hsiang Yeh
Prof. Dr. Te-Hsin Yang
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 monthly 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
  • timber
  • bamboo
  • joint
  • laminated
  • glued
  • shaped element
  • dowel
  • composite
  • hybrid

Published Papers (2 papers)

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Research

20 pages, 1656 KiB  
Article
Evaluation of Moisture-Induced Stresses in Wood Cross-Sections Determined with a Time-Dependent, Plastic Material Model during Long-Time Exposure
by Sebastian Pech, Maximilian Autengruber, Markus Lukacevic, Roman Lackner and Josef Füssl
Buildings 2024, 14(4), 937; https://doi.org/10.3390/buildings14040937 - 28 Mar 2024
Viewed by 442
Abstract
In recent years, the use of timber as a building material in larger construction applications such as multi-story buildings and bridges has increased. This requires a better understanding of the material to realize such constructions and design them more economically. However, accurate computational [...] Read more.
In recent years, the use of timber as a building material in larger construction applications such as multi-story buildings and bridges has increased. This requires a better understanding of the material to realize such constructions and design them more economically. However, accurate computational simulations of timber structures are challenging due to the complexity and inhomogeneity of this naturally grown material. It exhibits growth inhomogeneities such as knots and fiber deviations, orthotropic material behavior and moisture dependence of almost all physical parameters. Describing the creep response of wood under real climate conditions is particularly difficult. Changes in moisture content, plasticity and viscoelasticity affect moisture-induced stresses and potentially lead to cracks and structural damage. In this paper, we apply a material model that combines time and moisture-dependent behavior with multisurface plasticity to simulate cross-sections of different dimensions over a 14-month climate period. Our findings indicate that considering this long-term behavior has a minor impact on moisture-induced stresses during the drying period. However, during the wetting period, neglecting the time- and moisture-dependent material behavior of wood leads to a significant overestimation of tensile stresses within the cross-section, resulting in unrealistic predictions of wetting-induced fracture. Therefore, simulations during wetting periods require a sophisticated rheological model to properly reproduce the stress field. Full article
(This article belongs to the Special Issue Properties of Wood and Bamboo Used in Construction)
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22 pages, 30308 KiB  
Article
Bending Behaviour and Failure Modes of Non-Glue-Laminated Timber Beams Composed of Wooden Dowels and Self-Tapping Screws
by Yu-Hsiang Yeh and Yi-Chi Yeh
Buildings 2024, 14(2), 394; https://doi.org/10.3390/buildings14020394 - 01 Feb 2024
Viewed by 539
Abstract
The purpose of this research is to compare the bending behaviour of non-glue-laminated timber beams and glulams by full-scale four-point bending tests. The focus is on the non-glue beams laminated by different materials or techniques and then to determine their bending stiffness and [...] Read more.
The purpose of this research is to compare the bending behaviour of non-glue-laminated timber beams and glulams by full-scale four-point bending tests. The focus is on the non-glue beams laminated by different materials or techniques and then to determine their bending stiffness and failure modes. The laminating efficiency of various materials or techniques is underlined. The manufacturing process concerning non-glue-laminated timber beams has to be determined. As structural elements with large dimensions, such components require adaptable laminating and producing techniques. While the beams composed of wooden dowels refer to the dowel-laminated timber (DLT), those made of self-tapping screws (STSs) can be simply related to nail-laminated timber (NLT) products. Then, a full-scale four-point bending test was carried out to appraise 26 laminated beams, including non-glue- and glue-laminated timber. The results of the test demonstrated that the material, the spacing and the angle of the transversal fasteners significantly influence bending behaviour. The bending stiffness of the beams laminated by STSs was about 7.86% higher than the value of the beams with wooden dowels, although the tendency of each pair of beams did not remain convergent. Reducing the interval of the fasteners can considerably increase the bending stiffness of the beams. Fasteners inserted at 45 degrees, or in a so-called V-type pattern, contribute to improving bending stiffness, and both wooden dowels and STSs reveal the same tendency. At this angle, STSs demonstrate better laminating efficiency than wooden dowels. The STS beams’ bending stiffness was about 48.6% of that determined for glulams. On the contrary, in beams with 135-degree fasteners, or, namely, an A-type pattern, inserted fasteners possessed lower bending stiffness than in those with 90-degree fasteners. In addition to the considerable bending stiffness, the STS beams revealed a stable response as far as their load-deflection curves were concerned. A comparison of experimental and theoretical results contributes to verifying the feasibility as well as the weakness of two analytic methods. The predicting capacity of the associated equations needs to be improved, particularly for the withdrawal resistance and connecting effect of inclined STSs. Full article
(This article belongs to the Special Issue Properties of Wood and Bamboo Used in Construction)
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