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Buildings
Special Issues
Recent Developments in Timber Engineering
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Recent Developments in Timber Engineering

A special issue of Buildings (ISSN 2075-5309). This special issue belongs to the section "Building Structures".

Deadline for manuscript submissions: closed (30 October 2023) | Viewed by 3202

Special Issue Editors

Dr. Bidur Kafle

E-Mail Website
Guest Editor
School of Engineering, Faculty of Science Engineering & Built Environment, Deakin University, Waurn Ponds, VIC 3216, Australia
Interests: structural dynamics; earthquake engineering; timber structures; health monitoring of structures; geopolymer concrete; pavement engineering
Dr. Mahbube Subhani

E-Mail Website
Guest Editor
School of Engineering, Deakin University, Geelong, VIC 3216, Australia
Interests: timber engineering and timber structures; geopolymer concrete; hybrid structures using timber; FRP and geopolymer; non-destructive evaluation of wooden structures; guided wave propagation; structural dynamics
Special Issues, Collections and Topics in MDPI journals
Dr. Kazem Ghabraie

E-Mail Website
Guest Editor
School of Engineering, Deakin University, Waurn Ponds, VIC 3216, Australia
Interests: topology optimisation; structural optimisation; finite element method; timber structures; material characterisation

Special Issue Information

Dear Colleagues,

This Special Issue aims to offer a research platform for communicating and discussing recent findings and developments in timber engineering, including wood characterisation, manufacturing of new engineered timber products, densification of timber, development of adhesive system, and use of end-of-life timber.

The aim of this Special Issue is to attract prominent research groups to share and contribute to the body of knowledge in this field by presenting their findings related to analytical, numerical, and/or experimental investigation of timber engineering, thus creating sustainable and resilient communities. The topics relevant to this Special Issue include, but are not limited to:

  • Densification of timber;
  • Characterization of densified timber;
  • Repurposing end-of-life timber;
  • Material characterisation of various wood species;
  • Engineered mass timber panels using softwood and hardwood;
  • Development and use of bio-resin for mass engineered products;
  • Veneer based timber products;
  • Recent development in nail laminated timber, laminated veneer lumber, plywood, and oriented strand board.

Dr. Bidur Kafle
Dr. Mahbube Subhani
Dr. Kazem Ghabraie
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

  • circular economy
  • densification
  • densified timber
  • engineered timber
  • experimental investigation
  • mechanical properties
  • sustainability
  • virgin timber
  • end-of-life
  • bio-resin
  • mass timber

Published Papers (2 papers)

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Research

19 pages, 5339 KiB  
Article
Modelling and Multi-Objective Optimisation of Finger Joints: Improving Flexural Performance and Minimising Wood Waste
by Son Tay Le, Tuan Ngoc Nguyen, Dac-Khuong Bui, Quang Phuc Ha and Tuan Duc Ngo
Buildings 2023, 13(5), 1186; https://doi.org/10.3390/buildings13051186 - 29 Apr 2023
Cited by 1 | Viewed by 1561
Abstract
The wood industry faces the dual requirements of improving the quality of timber products and minimising waste during the manufacturing process. The finger joint, which is an end-to-end joining method for timber boards, is one of the most important aspects of engineering wood [...] Read more.
The wood industry faces the dual requirements of improving the quality of timber products and minimising waste during the manufacturing process. The finger joint, which is an end-to-end joining method for timber boards, is one of the most important aspects of engineering wood products. This study presents a numerical and optimisation investigation of the effects of finger-joint design parameters on the flexural behaviour of finger-jointed timber beams. A numerical model based on advanced three-dimensional finite element analysis was developed to model the behaviour of finger-jointed beams. Using the validated finite element (FE) model and automated parameterisation, a parametric study was conducted to assess the impact of each design parameter of the finger joint, including finger length, tip thickness, and the number of finger joints. The results indicate that the number of fingers and finger length significantly influence the maximum load capacity, while the tip thickness has a marginal effect on performance. This study identifies a design threshold of five fingers and a 14 mm finger length for achieving efficient, high-performance finger-joint designs. In addition, the multi-objective modified firefly algorithm (MOMFA) was proposed to maximise the finger joint resistance while simultaneously minimising the material waste. The optimisation shows that there will be a significant amount of wood waste when using traditional single-objective optimisation that only focuses on structural performance. In contrast, the proposed method achieves comparable load capacity while significantly reducing waste (up to 53.31%) during the joining process. The automated finite element modelling framework and holistic optimisation developed in this study can be used to design and optimise engineering wood products for construction applications. Full article
(This article belongs to the Special Issue Recent Developments in Timber Engineering)
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19 pages, 8006 KiB  
Article
Effect of Fibre Orientation on the Bond Properties of Softwood and Hardwood Interfaces
by Xin Li, Mahmud Ashraf, Bidur Kafle and Mahbube Subhani
Buildings 2023, 13(4), 1011; https://doi.org/10.3390/buildings13041011 - 12 Apr 2023
Cited by 2 | Viewed by 968
Abstract
Increasing concerns regarding carbon emissions and climate change are prompting a shift toward the use of sustainable materials in the construction industry. Engineered timber products are gaining attention in the construction industry due to advancements in lamination techniques and adhesives as well as [...] Read more.
Increasing concerns regarding carbon emissions and climate change are prompting a shift toward the use of sustainable materials in the construction industry. Engineered timber products are gaining attention in the construction industry due to advancements in lamination techniques and adhesives as well as the renewable characteristics of wood. Bond properties play a significant role in engineered timber products. In Australia, Radiata Pine (RP, softwood) and Shining Gum (SG, hardwood) share a large proportion of local and native plantation forest resources. The present paper investigates the bond behaviours of Australian softwoods (RP–RP), hardwoods (SG–SG) and hybrid-wood (RP–SG) combinations in both parallel (PAL) and perpendicular (PER) bonding directions using one-component polyurethane adhesives. The results indicate that most of the softwood samples were subjected to wood-side (timber) failure, whereas hardwood samples failed due to delamination but exhibited higher strength and stiffness regardless of bond direction. In contrast, bond direction had a significant effect on the bond characteristics of hybrid configurations. Improved bond properties were observed when bonded in PAL directions; however, negative effects were seen when bonded in PER directions. Obtained characteristic (5th percentile) shear bond strengths for RP–RP–PAL, RP–SG–PAL and SG–SG–PAL samples were 3.88 MPa, 6.19 MPa and 8.34 MPa, whilst those for RP–RP–PER, RP–SG–PER and SG–SG–PER samples were 3.45 MPa, 2.96 MPa and 7.83 MPa, respectively. Full article
(This article belongs to the Special Issue Recent Developments in Timber Engineering)
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