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      Pengaruh Pola Peletakan Inti dan Ukuran Lapisan Penguat terhadap Sifat Fisis dan Mekanis Bamboo Sandwich Panel

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      Date
      2026
      Author
      Azzahra, Rahma Nur Aini
      Nugroho, Naresworo
      Mubarok, Mahdi
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      Abstract
      Panel sandwich merupakan material komposit ringan yang berpotensi digunakan sebagai alternatif material konstruksi berkelanjutan. Penelitian ini bertujuan untuk menganalisis pengaruh pola peletakan inti dan ukuran lapisan penguat terhadap sifat fisis dan mekanis bamboo sandwich panel. Analisis menggunakan rancangan acak lengkap faktorial dengan dua faktor, yaitu pola peletakan inti dari potongan bambu dengan taraf sejajar, zig-zag, dan diagonal, serta ukuran kayu lapis penguat dengan lebar 1 cm dan 3 cm. Parameter yang diuji meliputi kerapatan, kadar air, delaminasi, pelindian, pengembangan tebal, daya serap air, ketahanan api, sifat lentur, dan kuat tekan. Hasil penelitian menunjukkan bahwa pola peletakan inti berpengaruh nyata terhadap kerapatan dan kuat tekan, sedangkan ukuran lapisan penguat serta interaksi kedua faktor tidak berpengaruh nyata terhadap seluruh parameter uji. Hal tersebut menunjukkan bahwa pola peletakan inti lebih berperan dalam meningkatkan performa bamboo sandwich panel. Nilai kerapatan panel berkisar antara 0,20-0,27 g/cm³, dengan pola sejajar menghasilkan kerapatan tertinggi dan pola zig-zag menghasilkan kerapatan terendah. Pola sejajar juga menghasilkan kuat tekan tertinggi sebesar 107,16 kgf/cm², sedangkan pola zig-zag menghasilkan kuat tekan terendah sebesar 46,53 kgf/cm². Susunan inti yang lebih rapat menghasilkan kekuatan mekanis yang lebih baik terhadap beban tekan. Secara umum, sifat fisis bamboo sandwich panel lebih dipengaruhi oleh karakteristik material penyusunnya.
       
      Sandwich panels are lightweight composite materials with potential as sustainable alternatives for construction applications. This study evaluated the effects of core arrangement pattern and reinforcing layer width on the physical and mechanical properties of bamboo sandwich panels. A completely randomized factorial design was applied using two factors: the core arrangement pattern of bamboo ring sections (parallel, zigzag, and diagonal) and plywood reinforcing layer width (1 cm and 3 cm). The evaluated properties included density, moisture content, delamination, leaching, thickness swelling, water absorption, fire resistance, bending properties, and compressive strength. The results showed that the core arrangement pattern significantly affected density and compressive strength, whereas the reinforcing layer width and the interaction between both factors had no significant effect on any tested property. Panel density ranged from 0.20 to 0.27 g/cm³, with the parallel pattern producing the highest density and the zigzag pattern the lowest. The parallel pattern also exhibited the highest compressive strength (107.16 kgf/cm²), while the zigzag pattern showed the lowest value (46.53 kgf/cm²). A denser core arrangement improved resistance to compressive loading. Overall, the physical properties of bamboo sandwich panels were primarily governed by the characteristics of their constituent materials.
       
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      http://repository.ipb.ac.id/handle/123456789/176577
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      Copyright © 2020 Library of IPB University
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      Contact Us | Send Feedback
      Indonesia DSpace Group 
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