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Journal : Indonesian Journal of Forestry Research

FIXATION PROCESS OF LAMINATED BAMBOO COMPRESSION FROM CURVED CROSS-SECTION SLATS Darmawan, Teguh; Bahanawan, Adik; S. Adi, Danang; Dwianto, Wahyu; Nugroho, Naresworo
Indonesian Journal of Forestry Research Vol. 8 No. 2 (2021): Indonesian Journal of Forestry Research
Publisher : Association of Indonesian Forestry and Environment Researchers and Technicians

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59465/ijfr.2021.8.2.159-171

Abstract

Removing the outer part of bamboo for manufacturing flat bamboo lamination has disadvantage on the density of the product. The purpose of this experiment was to investigate the fixation of compressed bamboo from curved cross-section slats. The compression of bamboo slats using densification technique was aimed for uniform density. Furthermore, steam treatments were conducted to fix the deformation. The compressed bamboo slats revealed that the density of the samples at the bottom parts increased from 0.4–0.56 g/cm3 to 0.89–1.05 g/cm3 after pressing with a compression level between 46.98–63.97%, while the samples in the middle parts increased from 0.7–0.83 g/cm3 to 1.02–1.18 g/cm3 with the compression level of 32.92–41.5%. These results were slightly higher than that of the upper parts, which was between 0.91–0.98 g/cm3. The recovery of set decreased and the weight loss increased with increasing temperature and steam treatment time. Fixation of compressive deformation could be achieved at 160°C within 60 minutes. The bottom parts of samples experienced a slightly greater weight loss compared to the middle parts, i.e. 8.38% and 7.49%, respectively. The anatomical structure of bamboo tended to deform during densification process. Furthermore, the steam treatments affected the colour of densified bamboo which became darker. From this experiment, it can be concluded that the manufacture of laminated bamboo from bamboo slats can be uniformed in strength by equalizing the density at the bottom and middle with the upper parts through the densification technique.
Co-Authors . Febriyani A.A. Ketut Agung Cahyawan W Adi Satriawan Adik Bahanawan Adzkia, Ulfa Agustina Hayatunnufus Agustina Hayatunnufus Agustina Hayatunnufus Akrom, Akrom Alamsyah, Eka M Arinana Arinana Arya Budhijatmiko Lelono Arya Budhijatmiko Lelono Asep Denih Atmawi DARWIS Atmawi Darwis Azhar Anas Bahanawan, Adik Budi Indra Setiawan Christiawan, Nikolaus Adven Dalhar Susanto Danang S. Adi Dede Hermawan Deded Sarip Nawawi Dina SETYAWATI Dodik R Nurrochmat Dwi J Priyono Dwi Joko Priyono Dwi Premadha Lestari Effendi Tri Bahtiar Eka M Alamsyah Erizal , Evalina Herawati Fengky Satria Yoresta Gina Bachtiar Gina Gina Bachtiar Gustian Rama Putra Gustian Rama Putra Hady Ikhsan Han Roliadi Han Roliandi Hartanto, Rachmat Pudjo Hasanuddin Hasanuddin Hayatunnufus, Agustina I Wayan Darmawan Ignasia Maria Sulastiningsih Indah Sulistyawati Indah Sulistyawati, Indah Isna Yuniar Wardhani Istie Rahayu Jajang Suryana Karlinasarie, Lina Khairun Hidayat Khairun Hidayat Kholiyah Kholiyah Larasatie, Pipiet Leonard D D Liliefna Leopold O. Nelwan Lestari, Dwi Premadha Lina Karlinasari Lusita WARDANI Massijaya, Muhammad Y Muh Yusram Massijaya Muh. Sakti Muhammadiah Muh. Yusram Massijaya Muhammad Y Massijaya Nurhaida, . Remy Marchal Rentry Augusti Rentry Augusti N Riezky Rakamuliawan Sutanto Rita Kartika Sari S. Adi, Danang Sucahyo Sadiyo Sulistyono Sulistyono . Sulistyono Sulistyono Surjono Surjokusumo Surjono Surjokusumo Surjono Surjokusumo Surjono Surjokusumo Surjono Suryokusumo Surjono Suryokusumo Surjono Suryokusumo, Surjono Suryokusumo, Surjono Sutanto, Riezky Rakamuliawan Teguh Darmawan Teguh DARMAWAN Wahyu Dwianto Wahyu DWIANTO Widyarko Widyarko Wilis Wiryawan Yusuf S Hadi Yusuf S. Hadi Yusuf Sudo Hadi