| Title: | Push-out resistance of threaded wooden dowels in cross-laminated timber with hardwood cross-layer |
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| Authors: | ID Han, Lei (Author)
ID Derikvand, Mohammad (Author)
ID Sandak, Jakub Michal (Author)
ID Hladnik, Martin (Author)
ID Sandberg, Dick (Author)
ID Kutnar, Andreja (Author) |
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| Files: |  RAZ_Han_Lei_2024.pdf (1,60 MB)
MD5: 759583EB8232FABDCB89666F3B886BE7
 https://www.tandfonline.com/doi/full/10.1080/17480272.2025.2488964
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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: | FAMNIT - Faculty of Mathematics, Science and Information Technologies
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| Abstract: | Europe is experiencing a shift in timber resource availability, with a decline in softwoods and an increase in hardwoods, creating a need to explore the utilisation of hardwoods, particularly in construction, where softwoods have traditionally been predominant. This research aimed to assess the potential of using hardwood in hybrid, doweled cross-laminated timber (DCLT) fabricated with pre-dried threaded beech dowels. The objective was to evaluate the push-out resistance of beech dowels in a three-layer DCLT with spruce in the outer longitudinal layers and beech, poplar, or spruce in the cross-layer. The DCLT specimens were conditioned at various temperatures and relative-humidity (RH) levels before the push-out test. The specimens with beech cross-layer exhibited a higher push-out resistance than those made entirely of spruce. In contrast, using poplar in the cross-layer showed no considerable difference in push-out resistance compared to using spruce. Exposure to 70 °C and 10% RH for three days decreased the push-out resistance in all groups due to extreme shrinkage of the lamellae, whereas exposure to 20 °C and 65% RH for either 60 days or 240 days resulted in higher push-out resistance for DCLT with a beech cross-layer. |
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| Keywords: | DCLT, underutilised species, hardwood, dowel |
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| Year of publishing: | 2025 |
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| Number of pages: | str. 1122-1127 |
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| Numbering: | Vol. 20, iss. 5 |
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| PID: | 20.500.12556/RUP-21726  |
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| UDC: | 630*2:674 |
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| ISSN on article: | 1748-0272 |
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| DOI: | 10.1080/17480272.2025.2488964 |
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| COBISS.SI-ID: | 233406723 |
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| Publication date in RUP: | 12.09.2025 |
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| Views: | 330 |
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| Downloads: | 11 |
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