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Accurate strength parameters for fasteners with examples for ring shank nails
University of Borås, Faculty of Textiles, Engineering and Business. (SAMHÄLLSBYGGNAD)ORCID iD: 0000-0001-7792-0153
Danish timber information.
2016 (English)In: World Conference on Timber Engineering, 2016Conference paper, Published paper (Refereed)
Abstract [en]

Strength parameters for fasteners determined in accordance with the methods prescribed for the European CE-marking leads quite different values for seemingly similar products from different manufactures. The results are hardly repeatable, to some extent due to difficulties in selecting representative timber samples for the testing. Beside this uncertainty, the declared values concerns only structural timber, so no values are available for e.g, LVL or plywood.

This paper gives:

  • Examples of the variability of declared strength parameters for ring shank nails for almost similar products.
  • Results from withdrawal test for similar nails inserted in the same timber specimens (structural timber and LVL), which is used for investigating similarities and differences between nails and wood.
  • Discussion of statistical methods to compare the strength parameters of two nails.
  • A proposal for a method that enables to determine accurate strength parameters needed for structural design from comparative tests involving reference fasteners.
Place, publisher, year, edition, pages
2016.
Keyword [en]
strength parameters, withdrawal strength, test methods, comparative testing, reference fastener
National Category
Civil Engineering
Identifiers
URN: urn:nbn:se:hb:diva-10809OAI: oai:DiVA.org:hb-10809DiVA: diva2:1010102
Conference
14th World Conference on Timber Engineering, Vienna, August 22-25, 2016
Projects
Samhällsbyggnad
Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-01-03Bibliographically approved

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Citation style
  • apa
  • harvard1
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  • de-DE
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  • en-US
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  • nn-NO
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Output format
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