Analysis of strength grading of sawn timber based on numerical simulation

Goran Turk, Alpo Ranta-Maunus

Research output: Book/ReportReport

Abstract

Numerical simulation is used to analyse machine strength grading of sawn timber. Starting from correlations between grade determining properties and measured grading properties, sets of values of properties are generated and machine grading simulated including the determination of settings and application of the settings to another generated sample. Results are obtained concerning the statistical effect of sample size to the accuracy of grading and yield to various grades. Also the lower tail of strength distribution of various grades was analysed with the conclusion that the highest grade has relatively better strength distribution than the lower grades.
Original languageEnglish
Place of PublicationEspoo
PublisherVTT Technical Research Centre of Finland
Number of pages38
ISBN (Electronic)951-38-6203-8
ISBN (Print)951-38-6202-X
Publication statusPublished - 2003
MoE publication typeNot Eligible

Publication series

SeriesVTT Tiedotteita - Meddelanden - Research Notes
Number2224
ISSN1235-0605

Keywords

  • timber
  • construction timber
  • sawn timber
  • spruce
  • materials properties
  • strength
  • strength grading
  • numerical simulation
  • accurancy

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  • Cite this

    Turk, G., & Ranta-Maunus, A. (2003). Analysis of strength grading of sawn timber based on numerical simulation. VTT Technical Research Centre of Finland. VTT Tiedotteita - Meddelanden - Research Notes, No. 2224 http://www.vtt.fi/inf/pdf/tiedotteet/2003/T2224.pdf