Karakteristik Fisis Dan Mekanis Glulam Jati, Mangium Dan Trembesi

Hadjib, Nurwati; Abdurachman, Abdurachman; Basri, Efrida

doi:10.20886/jphh.2015.33.2.105-114

Cited by 2 publications

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“…CLT bambu betung dengan perekat isosianat yang dilakukan oleh Agustina et al (2015) juga diperoleh nilai MOE yang lebih rendah, yaitu antara 820 -5.272 N/mm 2 dan terdapat kecenderungan semakin tebal lamina menghasilkan nilai MOE yang lebih tinggi. Sementara itu, Hadjib et al (2015) melaporkan nilai MOE papan laminasi jati 6 lapis adalah 8.607 N/mm 2 . Dibandingkan dengan hasil penelitian yang telah disebutkan sebelumnya mengenai MOE papan laminasi baik yang disusun oleh lamina yang sama, maupun dengan perekat yang sama, CLT jati-sawit-jati dan CLT jati platinum memiliki nilai MOE yang lebih unggul terutama pada ketebalan lamina 4,5 cm.…”

Section: Sifat Mekanisunclassified

“…Hasil yang lebih rendah juga dilaporkan oleh Agustina et al 2015dan Darwis et al (2014a), yaitu sebesar 10,3 -22,0 N/mm 2 untuk CLT bambu betung dengan perekat isosianat, dan sebesar 12,8 -20,8 N/mm 2 untuk papan laminasi sawit dengan perekat isosianat. Sementara Hadjib et al (2015) melaporkan nilai MOR papan laminasi jati dengan perekat isosianat yang lebih tinggi, yaitu 134,5 N/mm 2 . Distribusi tegangan saat pengujian lentur balok laminasi di lamina bagian atas adalah tegangan tekan, lamina pada bagian bawah adalah tegangan tarik, dan lamina tengah adalah tegangan normal.…”

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Karakteristik Cross Laminated Timber (CLT) dari Kayu Jati Platinum Hasil Penjarangan dan Limbah Batang Kelapa Sawit (Characteristic of Cross Laminated Timber (CLT) from Thinned Platinum Teak and Oil Palm Stem Waste)

Triwibowo

Sejati

Gopar

et al. 2020

JSL

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The aim of this study was to determine the physical and mechanical properties of Cross laminated timber (CLT) made from oil palm (Elaeis guineensis. Jacq) stem waste combined with thinned platinum teak (Tectona grandis ) wood. CLT was made into two types, namely CLT type A (teak-palm-teak) and CLT type B (teak-teak-teak). The CLT was 150 cm in length and 20 cm in width, with variation of the thickness of 3,0 cm, 4,5 cm, and 6,0 cm, and the glue spread of 300 g/m². The results showed that CLT type B has better physical and mechanical properties than CLT type A. Generally, CLT made of lamina with a thickness of 4,5 cm showed the best performance of physical and mechanical properties. Platinum teak and palm oil stem waste have the potential to be used as a source of CLT raw materials because of the moisture content, flexural modulus (MOE), and fracture modulus (MOR) that meet the JAS 1152 standard.Keywords: Cross laminated timber, platinum teak, oil palm stem, physical properties, mechanical properties

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Section: Sifat Mekanisunclassified

Karakteristik Cross Laminated Timber (CLT) dari Kayu Jati Platinum Hasil Penjarangan dan Limbah Batang Kelapa Sawit (Characteristic of Cross Laminated Timber (CLT) from Thinned Platinum Teak and Oil Palm Stem Waste)

Triwibowo

Sejati

Gopar

et al. 2020

JSL

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The effect of drying temperatures and tannin-adhesive types on bending properties and shear strength of glued Eucalyptus pellita board

Yuniarti¹,

Santoso²,

Pari³

2020

IOP Conf. Ser.: Earth Environ. Sci.

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Eucalyptus pellita is usually harvested at young age for pulp and paper production. Therefore, it’s wood quality needs to be improved when it is used for construction. One of which is through its conversion into laminated products. Nevertheless, several factors are assumed to influence the final quality of laminated products, i.e pre-drying temperatures used to prepare the samples and the adhesives types used. This paper aims to investigate the effect of both factors on the bending properties and shear strength of glued Eucalyptus pellita boards. The Pellita boards were exposed to 2 drying temperatures (50°C and 60°C) and further laminated by using 2 tannin-based adhesives (made from the mahogany and oil palm bark extracts). The results showed the modulus of elasticity (MOE) and modulus of rupture (MOR) of the glued boards with mahogany-tannin adhesives were, respectively, 33,333.15-39,160.15 kg/cm2 and 214.30-640.77 kg/cm2 higher than the boards laminated with the oil palm wood tannin adhesives. Nevertheless, the oil palm tannin adhesives improved the shear strength of laminated Pellita, approximately 15.06-16.45 kg/cm2 higher than the boards laminated with mahogany-tannin adhesives. A further statistical test showed the tannin-types used for adhesives, and not the drying temperatures, that significantly affected the investigated mechanical properties of glued Pellita boards.

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Karakteristik Fisis Dan Mekanis Glulam Jati, Mangium Dan Trembesi

Abstract: This paper studies the physical and mechanical characteristics of the glued-laminated (glulam) beams

Cited by 2 publications

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Karakteristik Cross Laminated Timber (CLT) dari Kayu Jati Platinum Hasil Penjarangan dan Limbah Batang Kelapa Sawit (Characteristic of Cross Laminated Timber (CLT) from Thinned Platinum Teak and Oil Palm Stem Waste)

Karakteristik Cross Laminated Timber (CLT) dari Kayu Jati Platinum Hasil Penjarangan dan Limbah Batang Kelapa Sawit (Characteristic of Cross Laminated Timber (CLT) from Thinned Platinum Teak and Oil Palm Stem Waste)

The effect of drying temperatures and tannin-adhesive types on bending properties and shear strength of glued Eucalyptus pellita board

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