Experimental Determination of R Curves for European Spruce Using DCB Tests

Marija Todorović, Marko Pavlović, Ivan Glišović, Mathieu Koetsier

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

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Abstract

This paper presents an experimental procedure for obtaining the fracture resistance (R curve) of solid wood specimens made of spruce. Double Cantilever Beam (DCB) tests were performed in order to determine energy release rate vs crack length in Mode I wood fracture (crack opening). Ten wood specimens were loaded using the Universal Testing Machine and force-displacement curves were recorded. The most important parameter - crack length was monitored as the crack propagates using Digital Image Correlation (DIC) method. In order to obtain accurate R curve results, procedure which includes calculating cumulative released energy was employed. The cohesive energy Gf was determined based on the R curves. These results can further be analysed in order to obtain cohesive law for Mode I fracture of wood.

Original languageEnglish
Title of host publicationWorld Conference on Timber Engineering WCTE 2023
Subtitle of host publicationTimber for a Livable Future
EditorsAnders Q. Nyrud, Kjell Arne Malo, Kristine Nore, Knut Werner Lindeberg Alsen, Saule Tulebekova, Efthymia Ratsou Staehr, Gabrielle Bergh, Wendy Wuyts
PublisherWorld Conference on Timber Engineering (WCTE)
Pages407-412
Number of pages6
ISBN (Electronic)9781713873273
ISBN (Print)9781713873297
DOIs
Publication statusPublished - 2023
Event13th World Conference on Timber Engineering 2023 - Oslo, Norway
Duration: 19 Jun 202322 Jun 2023

Publication series

Name13th World Conference on Timber Engineering, WCTE 2023
Volume1

Conference

Conference13th World Conference on Timber Engineering 2023
Abbreviated titleWCTE 2023
Country/TerritoryNorway
CityOslo
Period19/06/2322/06/23

Keywords

  • DCB
  • DIC
  • Mode I fracture
  • R curve
  • wood

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