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All Journal Jurnal Ilmu Pertanian Indonesia Jurnal Teknologi Industri Pertanian J-Sil (Jurnal Teknik Sipil dan Lingkungan) Jurnal Ilmu dan Teknologi Hasil Hutan Jurnal Penelitian Hasil Hutan Jurnal Matematika & Sains Jurnal Teknik Sipil Jurnal Ilmu dan Teknologi Kayu Tropis Jurnal Penelitian Hasil Hutan Indonesian Journal of Physics (IJP) Jurnal Penelitian Hasil Hutan J-Sil (Jurnal Teknik Sipil dan Lingkungan)
Effendi Tri Bahtiar
Bagian Rekayasa Dan Desain Bangunan Kayu - Departemen Hasil Hutan Fakultas Kehutanan, Institut Pertanian Bogor Kampus IPB Darmaga Bogor - Jawa Barat 16680.
Agriculture, Biological Sciences & Forestry Astronomy Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Transportation

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Journal : Jurnal Penelitian Hasil Hutan

 1 
MENGIDEALISASIKAN PENAMPANG LINTANG BULUH BAMBU MENJADI BENTUK GEOMETRI CONIC UNTUK MENGHITUNG SIFAT PENAMPANGNYA Effendi Tri Bahtiar; Asep Denih; Lina Karlinasari; Gustian Rama Putra; Naresworo Nugroho; Sulistyono
Jurnal Penelitian Hasil Hutan Vol. 40 No. 3 (2022): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2022.40.3.165-188

Abstract

A designer needs to simplify the bamboo cross-section shape variation to the closest standard geometry so a structural analysisof bamboo construction can be carried out. Bamboo culm’s cross-sectional geometrics vary and may be similar to conic such as acircle, ellipse, or egg-shape ring. The best-fit conic section, which is the most similar to the actual geometric shape of the bambooculm’s cross-section, should be considered. This study formulates mathematical equations for calculating the bamboo culm’s crosssectional properties (including the area, the first moment of area, the centroid, and the moment of inertia), which are fitted by acircle, ellipse, and egg-shaped ring. The thickness, diameter, major axis, and minor axis of four bamboo species (i.e., Gigantochloaapus, Bambusa vulgaris, Gigantochloa pseudoarundinacea, and Gigantochloa robusta) were measured, and thosevalues were substituted into the equations to produce the range of cross-sectional properties of each species.
KEKUATAN BAMBU BETUNG (Dendrocalamus asper Backer ex K.Heyne) MENAHAN GAYA NORMAL TEKANAN DAN TARIKAN Naresworo Nugroho; Effendi Tri Bahtiar; Arya Budhijatmiko Lelono
Jurnal Penelitian Hasil Hutan Vol. 40 No. 1 (2022): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2022.40.1.37-48

Abstract

Bamboo is multifunctional forest product that can be used as furnitures, crafts, music instruments, and construction materials.The value of the compressive and tensile strength of bamboo has been used in construction design, but it is still limited, for exampleas a column or concrete reinforcement. This research aimed to determine the mechanical properties of a four years old betung bamboo(Dendrocalamus asper Backer ex K.Heyne,) specifically, compression strength parallel to grain, tension strength parallel andperpendicular to grain, and its 5% lower limit value. The sample size and mechanical properties testing refers to ISO 22157-2019. Compression and tension strength parallel to the grain were tested using UTM SATEC/Baldwin, while tension strengthperpendicular to the grain was tested using UTM Chun Yen. The data were analyzed using Easyfit 5.5 to obtain 5% lower limitvalue of each test. The average value of compression strength and tension strength parallel to grain were 53 N/mm² and 109N/mm², respectively. The average value of tension strength perpendicular to grain for 25 and 40 mm testing hole were 2.53 and1.19 N/mm², while average MOE value of compression and tension strength parallel to grain were 2,674 and 9,542 N/mm²,respectively. The 5% lower limit value of compression strength parallel to grain was 38.1 N/mm², tension strength parallel to grain61.8 N/mm², and 0.60 N/mm² for tension strength in perpendicular to grain. The 5% lower limit MOE value of compressionand tension strength parallel to grain were 1,105 and 6,076 N/mm², respectively.
Co-Authors Adi Satriawan Agustina Hayatunnufus Agustina Hayatunnufus Arinana Arinana Arya Budhijatmiko Lelono Arya Budhijatmiko Lelono Asep Denih Atmawi DARWIS Atmawi Darwis Azhar Anas Deded Sarip Nawawi Dwi P Lestari Dwi Premadha Lestari Gustian Rama Putra Gustian Rama Putra Han Roliadi Han Roliandi Ignasia Maria Sulastiningsih Kholiyah Kholiyah Lestari, Dwi Premadha Lina Karlinasari Lusita WARDANI Muh Yusram Massijaya Naresworo Nugroho Nareworo Nugroho Rentry Augusti Rentry Augusti N Rita Kartika Sari Sulistyono Sulistyono Sulistyono Surjono Surjokusumo Surjono Surjokusumo Surjono Surjokusumo Surjono Suryokusumo Suryokusumo, Surjono Wilis Wiryawan