Pengaruh Persentase Serat Eceng Gondok terhadap Sifat Fisik dan Mekanik Papan Beton Busa
DOI:
https://doi.org/10.25077/jfu.6.4.381-386.2017Abstract
Telah dilakukan penelitian tentang pengaruh persentase serat eceng gondok terhadap sifat fisik dan mekanik papan beton busa. Persentase serat eceng gondok yang digunakan yaitu 0 %; 2,5 %; 5 %; 7,5 % dan 10 % terhadap volume papan dengan metode penyusunan serat secara two dimensional reinforcement (dua arah). Persentase foam agent yang digunakan tetap yaitu 0,06 % terhadap volume papan. Pengujian yang dilakukan yaitu sifat fisik berupa daya serap air, densitas dan porositas sedangkan sifat mekanik berupa kuat tekan dan kuat lentur dengan perawatan papan selama 28 hari. Alat uji kuat tekan dan kuat lentur menggunakan Universal Testing Machine (UTM). Dari hasil penelitian daya serap air rerata terendah dicapai papan beton busa tanpa serat sebesar 11,10 %, densitas rerata terendah papan beton busa dengan persentase serat 10 % sebesar 1,67 g/cm3, porositas rerata terendah pada papan beton busa tanpa serat sebesar 18,93 %, kuat tekan rerata tertinggi pada papan beton busa tanpa serat sebesar 98,4 kg/cm2 dan kuat lentur rerata tertinggi pada papan beton busa dengan persentase serat 2,5 % sebesar 58,50 kg/cm2.
Kata kunci: daya serap air, densitas, foam agent, kuat lentur, kuat tekan, papan beton busa, porositas.
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Copyright (c) 2017 Defta Eka Sari, Alimin Mahyudin
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