| Title: | Numerical study on the influence of sheathing type and fastener spacing on the in-plane stiffness of LTF and LSF wall elements |
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| Authors: | ID Kozem Šilih, Erika (Author)
ID Premrov, Miroslav (Author) |
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| Files: |  forests-17-00723.pdf (2,17 MB)
MD5: E066C67E64136E80C425B422C6BC64DD
 https://www.mdpi.com/1999-4907/17/6/723
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| Language: | English |
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| Work type: | Article |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: | FGPA - Faculty of Civil Engineering, Transportation Engineering and Architecture
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| Abstract: | This paper investigates the in-plane bending stiffness of light timber-framed (LTF) and light steel-framed (LSF) wall elements with different sheathing materials (fibre-plaster board (FPB) and oriented-strand board (OSB)), focusing on the influence of the fastener spacing (s) on the wall elements’ structural response. The analytical model accounts for bending, shear, and slip deformations in the sheathing-to-frame connection, while boundary conditions are assumed to be rigid in accordance with the Eurocode 5 standard. The results indicate a strong dependence of global stiffness on fastener spacing. Increasing the fastener spacing from 37.5 mm to 300 mm reduced the racking stiffness by approximately 42% in LTF–FPB walls and by 31% in LSF–FPB walls. The highest stiffness was obtained for LSF–FPB wall elements (6514 N/mm), while the lowest stiffness was observed for LTF–OSB elements (1236 N/mm). LSF wall elements generally exhibited stiffness values approximately two times higher than comparable LTF systems, although both framing systems showed similar trends with increasing fastener spacing. This study provides a solid basis for the design and optimization of lightweight wall systems and supports the development of efficient structural solutions in both timber and steel construction. |
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| Keywords: | timber, structures, light timber-framed element, light steel-framed element, modelling, numerical analysis |
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| Publication status: | Published |
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| Publication version: | Version of Record |
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| Submitted for review: | 13.05.2026 |
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| Article acceptance date: | 18.06.2025 |
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| Publication date: | 22.06.2026 |
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| Publisher: | MDPI |
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| Year of publishing: | 2026 |
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| Number of pages: | 15 str. |
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| Numbering: | let. 17, št. 6, št. članka 723 |
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| PID: | 20.500.12556/DKUM-98592  |
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| UDC: | 624.014.2+624.011.1 |
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| ISSN on article: | 1999-4907 |
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| COBISS.SI-ID: | 282472707 |
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| DOI: | 10.3390/f17060723 |
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| Publication date in DKUM: | 23.06.2026 |
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| Views: | 202 |
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| Downloads: | 8 |
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| Metadata: |    |
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| Categories: | Misc.
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