Journal of the Korean Wood Science and Technology

The Korean Society of Wood Science & Technology (한국목재공학회)
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Study on the Mechanical Properties of Tropical Hybrid Cross Laminated Timber Using Bamboo Laminated Board as Core Layer

  • GALIH, Nurdiansyah Muhammad (Deparment of Biobased Materials, College of Agriculture and Life Science, Chungnam National University) ;
  • YANG, Seung Min (Deparment of Biobased Materials, College of Agriculture and Life Science, Chungnam National University) ;
  • YU, Seung Min (Deparment of Biobased Materials, College of Agriculture and Life Science, Chungnam National University) ;
  • KANG, Seog Goo (Deparment of Biobased Materials, College of Agriculture and Life Science, Chungnam National University)
  • Received : 2019.09.02
  • Accepted : 2020.03.09
  • Published : 2020.03.25
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Abstract

This study was performed to analyze the mechanical properties of tropical hybrid cross-laminated timber (CLT) with bamboo laminated board as the core layer in order to evaluate the possibility of its use as a CLT material. Bamboo board was used as the core layer and the tropical species Acacia mangium willd., from Indonesia, was used as the lamination in the outer layer. The modulus of elasticity (MOE), modulus of rupture (MOR), and shear strength of the hybrid CLT were measured according to APA PRG 320-2018 Standard for Performance-Rated Cross-Laminated Timber. The results show that the bending MOE of the hybrid CLT was found to be 2.76 times higher than SPF (Spruce Pine Fir) CLT. The reason why the high MOE value was shown in bamboo board and hybrid CLT applied bamboo board is because of high elasticity of bamboo fiber. However, the shear strength of the hybrid CLT was 0.8 times lower than shear strength of SPF CLT.

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References

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