Journal of the Korean Wood Science and Technology

The Korean Society of Wood Science & Technology (한국목재공학회)
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Physical and Mechanical Properties of Laminated Board from Betung Bamboo (Dendrocalamus asper)

  • Muhammad Navis ROFII (Faculty of Forestry, Universitas Gadjah Mada) ;
  • Michael Jose MAIRING (Faculty of Forestry, Universitas Gadjah Mada) ;
  • Tomy LISTYANTO (Faculty of Forestry, Universitas Gadjah Mada) ;
  • Ihak SUMARDI (School of Life Science and Technology, Bandung Institute of Technology) ;
  • Rudi HARTONO (Faculty of Forestry, Universitas Sumatera Utara)
  • Received : 2024.03.05
  • Accepted : 2024.05.02
  • Published : 2024.07.25
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Abstract

Laminated bamboo is an engineered bamboo technology to maintain its mechanical durability for both construction and furniture materials. This study was conducted to assess the properties of laminated bamboo made from Betung bamboo at different culm positions and laminate orientations. The materials used in this study were 4-year Betung bamboo (Dendrocalamus asper) obtained from a community forest in Yogyakarta and polyvinyl acetate resin as adhesive. Two factors were applied for this study, i.e., culm position (lower, middle, and upper) and laminate orientations (vertical and horizontal direction). To examine the mechanical properties, a static bending test and the hardness test were performed in accordance with ASTM D1037-99. Moisture content and density were determined in accordance with BS 373-1957. The results indicated that there was no interaction between the culm position and laminate orientation on the moisture content, density, static bending properties and hardness. The culm position affected the static bending and hardness, with the higher position of the culm resulting a greater strength. The laminate orientation also affected the strength of laminated bamboo, with the vertical direction resulting in higher strength than the horizontal.

Keywords

Acknowledgement

The authors would like to thank Universitas Gadjah Mada for funding this research project through Indonesian Research Collaboration based on contract number of 2658/UN1/DITLIT/Dit-Lit/PT.01.03/2023. The comments and suggestions from anonymous reviewers are greatly acknowledged.

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