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Beech for structural purposes - a case study in south-west Germany

9TH HARDWOOD PROCEEDINGS, VOL 9 - PT I: AN UNDERUTILIZED RESOURCE: HARDWOOD ORIENTED RESEARCH(2020)

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Abstract
Small-diameter beech roundwood from 8 different stands in Baden-Wiirttemberg (south-west Germany) (40 trees, 108 logs) varying in altitude and tree age was characterised by log quality and converted to boards for structural use. Results reveal a general trend of higher wood stiffness for material from lower altitude up to 23 kN/mm(2) for individual boards due to tree growth. However yield in sawn boards meeting structural requirements according to applicable regulations was generally low with about 30%. Boards were mainly rejected due to the presence of pith. The results are in line which other investigations on use of small diameter hardwood for structural purposes.
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Key words
Beech timber,structural timber,roundwood quality,structural timber quality
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