Failure criterion for timber beams loaded in bending, compression and shear

TACM van der Put

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)

Abstract

Based on the elasticplastic strength calculation, necessary for precise data explanation, a derivation is given of the failure criterion for combined bending, compression and shear. This exact limit state criterion should replace the unacceptable unsafe criteria of Eurocode 5 (EN 1995-1-1:2004). It is shown that the principle used thus far, of limited ‘‘flow’’ in axial compression as a determining failure criterion, for example, predicting no influence of a size effect, does not hold. Instead, it is derived and confirmed by the data that bending tension failure is always determining, showing the existence of a size effect, and correction of the existing calculation method is therefore necessary. Because of the primary importance of the size effect for the strengths, also for combined bendingcompression, a simple derivation of the size effect design equations is given and discussed in an appendix.
Original languageEnglish
Pages (from-to)41-49
Number of pages9
JournalWood Material Science and Engineering
Volume5
Issue number1
DOIs
Publication statusPublished - 2010

Keywords

  • Peer-lijst tijdschrift

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