A numerical and experimental study of stress and crack development in kiln-dried wood

Finn Larsen, Sigurdur Ormarsson

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Abstract

Numerical and experimental investigations were carried out on well defined log-disc samples of Norway spruce consisting of both heartwood and sapwood, with the aim of gaining more adequate knowledge of stress and fracture generation during the drying process. Use of thin discs enabled a well-controlled and simplified drying history of the samples to be obtained. Experiments supported by the numerical model showed the heartwood to dry below the fibre saturation point, much earlier than the sapwood, and thus to start shrinking at a much earlier stage.
Original languageEnglish
Title of host publicationProceedings of World Conference on Timber Engineering 2012
Number of pages2
Publication date2012
Publication statusPublished - 2012
Event12th World Conference on Timber engineering - Auckland, New Zealand
Duration: 15 Jul 201219 Jul 2012
Conference number: 12
http://www.conference.co.nz/wcte2012

Conference

Conference12th World Conference on Timber engineering
Number12
CountryNew Zealand
CityAuckland
Period15/07/201219/07/2012
Internet address

Keywords

  • Aramis
  • Wood drying
  • FE-simulation
  • Drying strains
  • Drying stresses

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