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Forests
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Advances in the Study of Wood Mechanical and Physical Properties
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Advances in the Study of Wood Mechanical and Physical Properties

A special issue of Forests (ISSN 1999-4907). This special issue belongs to the section "Wood Science and Forest Products".

Deadline for manuscript submissions: closed (31 March 2024) | Viewed by 3093

Special Issue Editors

Dr. Rafael Rodolfo De Melo

E-Mail Website
Guest Editor
Centro de Ciências Agrárias, Federal Rural University of the Semi-Arid Region (UFERSA), R. Francisco Mota, 572 - Pres. Costa e Silva, Mossoró 59.625-900, Brazil
Interests: wood science; wood products; physical-mechanical properties; biodegradation; biodeterioration; particleboard; wood panels; wood composites
Dr. Diego Martins Stangerlin

E-Mail Website
Guest Editor
Instituto de Ciências Agrárias e Ambientais, Federal University of Mato Grosso (UFMT), Av. Alexandre Ferronato, 1200 - Res. Cidade Jardim, Sinop 78.550-728, Brazil
Interests: wood science; wood products; biodegradation and biodeterioration; wood drying
Dr. Alexandre Pimenta

E-Mail Website
Guest Editor
Programa de Pós-Graduação Em Ciências Florestais-PPGCFL, Engenharia Florestal, Escola Agrícola de Jundiaí, Federal University of Rio Grande do Norte (UFRN), Rodovia RN 160, Km 03 S/N, Distrito de Jundiaí, Macaíba 59.280-000, Brazil
Interests: wood science; biomass; energy of wood
Dr. Mario Vanoli Scatolino

E-Mail Website
Guest Editor
Department of Agronomic and Forest Sciences, Federal Rural University of the Semi-Arid Region (UFERSA), R. Francisco Mota, 572 - Pres. Costa e Silva, Mossoró 59625-900, Brazil
Interests: wood science; wood products; wood; physical-mechanical properties; nanocellulose; cellulose; wood panels; wood composites
Dr. Fernando Rusch

E-Mail Website
Guest Editor
Programa de Pós-Graduação em Desenvolvimento e Meio Ambiente (PRODEMA), Federal Rural University of the Semi-Arid Region (UFERSA), R. Francisco Mota, 572 - Pres. Costa e Silva, Mossoró 59625-900, Brazil
Interests: wood science; wood products; wood fibers; bamboo; non-timber forest products

Special Issue Information

Dear Colleagues,

Wood is one of humanity's most used materials, from the beginning of civilizations to the present day. The versatility of this material allows for applications in different ways, mainly due to its range of physical and mechanical properties. Knowledge of the physical and mechanical properties of wood is essential for its proper use. In this sense, searching for new technologies that can efficiently measure or estimate these properties is increasingly frequent. In addition, the availability of technical information on non-conventional wood means that many forest species need further utilization. In this sense, the objective of this Special Issue is to highlight the recent advances in the study of the mechanical and physical properties of wood, particularly the performance analysis of non-conventional species.

We invite conceptual, empirical, review or exploratory papers contributing to our understanding of the relationships between wood and its properties. Research themes may include (but are not limited to) the following:

  • Wood characterization;
  • Wood properties of unconventional species;
  • Physical properties of wood;
  • Mechanical properties of wood;
  • Interrelationships between wood and its properties;
  • Solid wood applications;
  • Mass timber construction;
  • Non-destructive evaluation of wood.

We look forward to receiving your contributions.

Dr. Rafael Rodolfo De Melo
Dr. Diego Martins Stangerlin
Dr. Alexandre Pimenta
Dr. Mario Vanoli Scatolino
Dr. Fernando Rusch
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. Forests 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 science
  • wood products
  • physical properties
  • mechanical properties
  • non-destructive evaluation

Published Papers (3 papers)

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Research

15 pages, 9007 KiB  
Article
Effect of the Hole Diameter in Mechanical Properties of Wood: Experimental and Numerical Approaches
by Arthur B. Guidoti, Arthur B. Aramburu, Andrey P. Acosta, Darci A. Gatto, André L. Missio, Rafael Beltrame, Maikson L. P. Tonatto and Rafael A. Delucis
Forests 2024, 15(4), 722; https://doi.org/10.3390/f15040722 - 19 Apr 2024
Viewed by 303
Abstract
Introducing openings or holes into wooden structures is a common practice for providing utility services. However, this practice leads to stress concentration, resulting in a reduction in stiffness and load-carrying capacity. Therefore, understanding the effects of holes on beam properties is important for [...] Read more.
Introducing openings or holes into wooden structures is a common practice for providing utility services. However, this practice leads to stress concentration, resulting in a reduction in stiffness and load-carrying capacity. Therefore, understanding the effects of holes on beam properties is important for design considerations. This study investigates the mechanical behavior of a wooden beam made from juvenile Pinus elliottii containing open cylindrical holes with three different diameters: 4, 8, and 12 mm. The mechanical properties were evaluated for compression parallel to the fibers, quasi-static bending, and tension perpendicular to the fibers. Numerical simulations were conducted using a finite element (FE) model, considering the orthotropic elastic properties determined from experimental tests and elastic ratios reported in the literature. The experimental results indicated that the influence of hole diameter was not significant on the compressive properties; however, longitudinal crack failures began to form for holes with diameters of 8–12 mm. Regardless of hole size, the compressive and bending characteristics revealed that hole location did not affect the stiffness, strength, or damage mechanisms. Full article
(This article belongs to the Special Issue Advances in the Study of Wood Mechanical and Physical Properties)
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18 pages, 9267 KiB  
Article
Study on Reciprocating Loading Tests and Moment-Rotation Theory of Straight-Tenon Joints in Traditional Wooden Structures
by Shibin Yu, Wen Pan, Hexian Su and Liaoyuan Ye
Forests 2023, 14(12), 2424; https://doi.org/10.3390/f14122424 - 12 Dec 2023
Viewed by 757
Abstract
For the study of the mechanical properties of straight-tenon joints in traditional wooden structures, three specimens of T-shaped straight-tenon joints were made according to actual structures and subjected to reciprocating loading tests. The variation rules of different seismic performance indexes such as moment-rotation [...] Read more.
For the study of the mechanical properties of straight-tenon joints in traditional wooden structures, three specimens of T-shaped straight-tenon joints were made according to actual structures and subjected to reciprocating loading tests. The variation rules of different seismic performance indexes such as moment-rotation hysteresis curve, skeleton curve, stiffness, and energy dissipation capacity of the specimens were analyzed through tests. Based on the geometric deformation and static equilibrium conditions, the moment-rotation theoretical model of straight-tenon joints is derived and compared with the experimental results. The studies show that the hysteresis curve of joints under reciprocating loading consists of four stages: ascending, stress relaxation, descending, and sliding. The moment capacity of joints increases gradually with the rotational deformation, but the internal gap of the joints increases synchronously, resulting in a serious attenuation of the stiffness. Tenon and mortise plastic extrusion deformation and friction can dissipate energy, as the rotational deformation increases energy consumption, while the hysteresis loop “pinch” effect is more serious, and the equivalent viscous damping coefficient is gradually reduced. The prediction results of the joint moment-rotation theoretical model are closer to the experimental results, which can provide a theoretical basis for the overall seismic analysis of traditional wooden structures. Full article
(This article belongs to the Special Issue Advances in the Study of Wood Mechanical and Physical Properties)
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20 pages, 5108 KiB  
Article
Variation in the Basic Density of Woods Produced in the Brazilian Semiarid Region Subjected to Different Irrigation Regimes
by Márcia Ellen Chagas dos Santos, Rafael Rodolfo de Melo, Diva Correia, João Alencar de Sousa, Alisson Moura Santos, Ana Karla Vieira da Silva, Edgley Alves de Oliveira Paula, Allyson Rocha Alves, Mário Vanoli Scatolino, Fernando Rusch, Adriano Reis Prazeres Mascarenhas, Alexandre Santos Pimenta and Diego Martins Stangerlin
Forests 2023, 14(11), 2168; https://doi.org/10.3390/f14112168 - 31 Oct 2023
Viewed by 978
Abstract
The present work aimed to evaluate the wood of fourteen genetic materials (nine species, between native and exotic, and five clones of Eucalyptus) cultivated under two post-planting irrigation regimes in the Brazilian semiarid region. For each genotype, six trees (11 years old) [...] Read more.
The present work aimed to evaluate the wood of fourteen genetic materials (nine species, between native and exotic, and five clones of Eucalyptus) cultivated under two post-planting irrigation regimes in the Brazilian semiarid region. For each genotype, six trees (11 years old) were selected and subjected to two initial irrigation regimes (up to 12 months and up to 36 months) after planting. Discs of different stem heights were taken: 0% (base), breast height (DBH), 20%, 40%, 60%, 80%, and 100%. Samples were extracted along the radial axis of each disk at three regions (the pith-adjacent region, intermediate region, and bark-adjacent region). Samples were subsequently saturated in water to determine their density via the water displacement method. The irrigation systems caused changes in the pattern of radial and longitudinal variation in the clones regarding the proportion of woody material in the stem. Among the native species, Angico stood out with a high density and little juvenile wood, and Pau d’arco, with a low density and a high rate of juvenile wood. Among the exotic species, Nim presented a high density and a low rate of juvenile wood, and Chichá presented a high rate of juvenile wood and a low density. In the Eucalyptus hybrids, VE38 stood out with a high density. Overall, there was an influence from irrigation management, observed with greater intensity in exotic species for Mahogany and Acacia and for the VE41 and AEC1528 clones of Eucalyptus. The values of basic densities in the trees varied from 0.35 to 0.85 g·cm−3. There was good adaptation of native and exotic species and clones to the planting area in the Semiarid region. Full article
(This article belongs to the Special Issue Advances in the Study of Wood Mechanical and Physical Properties)
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