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The Possibility to Use Pine Timber Pieces with Small Size in the Production of Glulam Beams

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Dziurka, Dorota, Kawalerczyk, Jakub, Walkiewicz, Joanna, Derkowski, Adam, Mirski, Radosław·2022·Materials
DOI 10.3390/ma15093154PMC PMC9101672
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Abstract

Engineered wood products, such as glulam beams, attract much attention from the building industry in recent years. Therefore, there is a constant necessity to seek new models of structural beams, which assume the use of outsized sawn wood pieces as an alternative for the standard construction timber. Three variants of glulam beams, composed of the main yield and side boards arranged in various structures, were proposed. Moreover, the usefulness of wedge-jointed, small-sized timber pieces was also investigated. The manufactured beams were tested, in terms of their mechanical properties, such as bending strength, elastic energy, modulus of elasticity, and resilience. The outcomes have shown that the beams manufactured using wedge-bonded timber of lower grade do not deviate considerably from beams produced from homogeneous lamellas. Furthermore, the results of modulus of elasticity, in the case of the three-layered beams composed of both small-sized non-homogenous main yield and side boards, exceeded the requirements from EN 14080. It allowed us to classify the obtained materials as GL 32c, which is the highest grade specified within the standard.

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  • Reuse of short salvaged timber elements in mass-laminated timber products normally requires additional processing and end-to-end joining, such as finger jointing.

    “Salvaged timber elements often have length limitations, and therefore, their reuse in structural products normally would require additional processing and end-to-end joining.”

    From Bending Properties and Vibration Characteristics of Dowel-Laminated Timber Panels Made with Short Salvaged Timber Elements (2023) · cites this paper as [15]

    The Introduction says short wood pieces are usually joined with glue joints such as finger joints, and Materials and Methods describes using short timber in glulam beams. But the paper discusses pieces produced during timber processing, not salvaged timber; it does not establish that reclaimed structural timber normally requires this treatment. (LLM, conf=0.85)

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Research works printed but not linked: 26

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Cited by

Sorted by citations

Authors
Dziurka, D., Kawalerczyk, J., Walkiewicz, J., Derkowski, A., & Mirski, R.
Affiliations
Poznań University of Life Sciences (PL)
Corresponding author
Dziurka, Dorota
ORCID
Venue
Materials
Publisher
MDPI AG
Published
2022-04-27
Volume
15
Issue
9
Pages
3154
ISSN
1996-1944 (ISSN-L)
DOI
10.3390/ma15093154
PMC
PMC9101672
OpenAlex
W4224979716
Cited by
7
References
0
Citations by year
2025: 2 · 2024: 2 · 2023: 3
FWCI
0.77
Type
journal article
Language
en
Open access
Licence
Locations
  • Materials (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • National Centre for Research and Development (BIOSTRATEG3/344303/14/NCBR/2018, no. 506.224.02.00)
  • Faculty of Forestry and Wood Technology, Poznań University of Life Sciences (BIOSTRATEG3/344303/14/NCBR/2018, no. 506.224.02.00)
Topics
  • Physical Sciences › Engineering › Building and Construction › Wood Treatment and Properties
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Bamboo properties and applications
  • Physical Sciences › Engineering › Civil and Structural Engineering › Civil and Structural Engineering Research
Keywords
glued laminated timber, glulam beams, engineered wood products, flexural strength, elastic modulus, resilience engineering, elastic energy, pine timber, structural beams

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