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An experimentally validated fatigue model for wood subjected to tension perpendicular to the grain

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Abstract

This study presents an experimental investigation of fatigue in wood subjected to tension perpendicular to the grain. The study has been designed with special reference to the influence of the frequency of loading. The investigation reveals an interaction between number of load oscillations and accumulated time under load to failure. This interaction corresponds to frequency dependent fatigue. Current models for damage accumulation and failure modelling are screened with respect to their ability to account for such “two-source” damage. The Damaged cracked viscoelastic material model proved to give a good basis.

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Acknowledgments

The publication of the work laid forward has been made possible by The Danish Research Councils hereby recognized for the financial support given through the research project “Modelling the effects of moisture and load history on the mechanical properties of wood” (grant no. 991363).

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Authors and Affiliations

  1. Department of Civil Engineering, Technical University of Denmark, Kgs. Lyngby, Denmark

    C. O. Clorius & P. Hoffmeyer

  2. COWI Consulting Engineers, Kgs. Lyngby, Denmark

    M. U. Pedersen

  3. Esbjerg Institute of Technology, Aalborg University Esbjerg, Esbjerg, Denmark

    Lars Damkilde

Authors
  1. C. O. Clorius
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  2. M. U. Pedersen
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  3. P. Hoffmeyer
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  4. Lars Damkilde
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Correspondence to Lars Damkilde.

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Clorius, C.O., Pedersen, M.U., Hoffmeyer, P. et al. An experimentally validated fatigue model for wood subjected to tension perpendicular to the grain. Wood Sci Technol 43, 343–357 (2009). https://doi.org/10.1007/s00226-009-0244-7

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  • DOI: https://doi.org/10.1007/s00226-009-0244-7

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