Sifat Fisika Papan Laminasi Kombinasi Kayu Sengon dan Bambu Petung (Dendrocalamus asper)
DOI:
https://doi.org/10.36312/ej.v4i1.1200Keywords:
Kayu Sengon, Bambu Petung, Papan Laminasi, Berat LaburAbstract
Penelitian ini mengkombinasikan bahan baku dari kayu sengon dengan non kayu yakni bambu petung menjadi produk laminasi. Sengon memiliki beberapa kelemahan yaitu berat jenisnyanya yang ringan yakni sekitar 0,33 dengan kelas kuat III-IV sehingga tidak layak digunakan sebagai bahan kontruksi karena masuk dalam kelas kuat. Sedangkan bambu petung memiliki karakteristik dasar mirip dengan kayu bahkan dalam beberapa hal bambu petung memiliki keunggulan dibandingkan kayu. Keunggulan bambu petung selain kekuatan mekaniknya yang kuat, bambu ini dapat mudah ditemukan di daerah tropis dan waktu tumbuh yang dominan cepat. Penelitian ini bertujuan untuk mengetahui pengaruh berat labur terhadap sifat laminasi dari kombinasi kayu sengon dengan bambu petung dan mengetahui pengaruh pembuatan laminasi kombinasi kayu sengon bambu petung terhadap peningkatan kelas kuat. Metode yang digunakan dalam penelitian menggunakan metode eksperimen dengan rancangan percobaan yang digunakan Rancangan Acak Lengkap (RAL) non faktorial. Hasil penelitian menunjukkan bahwa nilai rata-rata kerapatan papan laminasi kayu sengon bambu petung yakni 0,50 gr/cm3, dengan kisaran nilai kadar air rata-rata yakni sebesar 13,86% Nilai kadar ini telah memenuhi standar JAS 234:2003 yaitu kurang dari 15%. Terjadi peningkatan kelas kuat menjadi kelas kuat III yang dapat digunakan sebagai bahan kontruksi ringan. Pengujian sifat fisika papan laminasi kayu sengon bambu petung telah memenuhi standar SNI 01-6240-2000 dan JAS SE-7 2003.
Physical Properties of Combination Laminated Boards of Sengon Wood and Petung Bamboo (Dendrocalamus asper)
Abstract
This study combined raw materials from sengon wood with non-wood, namely petung bamboo, to produce laminated products. Sengon has several weaknesses, namely its light specific gravity which is around 0.33 with a strength class III-IV so it is not suitable for use as a construction material because it is included in the strength class. Meanwhile, petung bamboo has basic characteristics similar to wood, even in some ways petung bamboo has advantages over wood. The superiority of petung bamboo besides its strong mechanical strength, this bamboo can be easily found in tropical areas and has a dominantly fast growing time. This study aims to determine the effect of labur weight on the lamination properties of the combination of petung bamboo and sengon wood and to determine the effect of making a combination of petung bamboo sengon wood on the increase in strength class. The method used in this study used an experimental method with an experimental design using a non-factorial Completely Randomized Design (CRD). The results showed that the average density of petung bamboo sengon wood laminated boards was 0.50 gr/cm3, with an average moisture content range of 13.86%. 15%. There was an increase in the strength class to become strong class III which can be used as a lightweight construction material. Testing of the physical properties of petung sengon bamboo wood laminated boards complied with SNI 01-6240-2000 and JAS SE-7 2003 standards.
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