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      PENGARUH PENGAWETAN MENGGUNAKAN BORAKS DAN ASAM BORAT TERHADAP KARAKTERISTIK DAN SIFAT MEKANIS TEKAN SERTA LENTUR CAKRAM (Flat Ring Flexure) BAMBU BETUNG

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      Date
      2026
      Author
      RAADI, ASYURA ZAHRA LUTFFIA
      Nugroho, Naresworo
      Priadi, Trisna
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      Abstract
      Bambu betung memiliki potensi besar sebagai material konstruksi, namun rentan terhadap serangan organisme perusak. Penelitian ini bertujuan untuk mengkaji pengaruh pengawetan menggunakan boraks dan asam borat terhadap sifat mekanis tekan dan lentur cakram bambu betung. Pengawetan dilakukan dengan metode perendaman selama 72 jam dengan berbagai perlakuan konsentrasi, rasio bahan pengawet serta posisinya dalam buluh bambu. Hasil penelitian menunjukkan bahwa peningkatan konsentrasi pengawet meningkatkan nilai retensi secara signifikan, dengan nilai tertinggi (3,82 kg m?³) pada konsentrasi 7,5% dengan rasio boraks:asam borat 0:1 pada bagian pangkal. Pengawetan cenderung meningkatkan kadar air contoh uji dibandingkan kontrol akibat penetrasi larutan. Secara keseluruhan, perlakuan pengawetan memberikan pengaruh yang nyata terhadap sifat fisis dan mekanis, di mana kombinasi rasio dan konsentrasi yang tepat diperlukan untuk mencapai efektivitas pengawetan optimal tanpa menurunkan kekuatan bambu secara drastis. Kata kunci: Asam borat, bambu betung, boraks, pengawetan, lentur cakram
       
      Betung bamboo has great potential as a construction material but is highly susceptible to wood-destroying organisms. This study aims to investigate the influence of borax and boric acid preservation on the mechanical properties compression and flexural strength of betung bamboo. Preservation was conducted through a 72-hour soaking method with various concentration treatments, preservative ratios and their positions in the bamboo culms. The results showed that increasing the preservative concentration significantly increased the retention value, with the highest value (3.82 kg m?³) found at 7.5% concentration with a 0:1 borax-to-boric acid ratio at the bottom part. Preservation tended to increase the moisture content of the samples compared to the control due to solution penetration. Overall, the preservation treatments significantly influenced physical and mechanical properties, indicating that appropriate combinations of ratio and concentration are required to achieve optimal preservation effectiveness without drastically reducing the bamboo's strength. Keywords: Borax, boric acid, betung bamboo, flat ring flexure, preservation.
       
      URI
      http://repository.ipb.ac.id/handle/123456789/173079
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      • UT - Forestry Products [2473]

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      Copyright © 2020 Library of IPB University
      All rights reserved
      Contact Us | Send Feedback
      Indonesia DSpace Group 
      IPB University Scientific Repository
      UIN Syarif Hidayatullah Institutional Repository
      Universitas Jember Digital Repository