Pengaruh Persentase Serat Sabut Kelapa dan Resin Polyester Terhadap Sifat Fisik dan Mekanik Papan Beton Ringan

Authors

  • Lara Putri Jatmika Jurusan Fisika FMIPA Universitas Andalas
  • Alimin Mahyudin Jurusan Fisika FMIPA Universitas Andalas

DOI:

https://doi.org/10.25077/jfu.6.4.387-393.2017

Abstract

Telah dilakukan penelitian mengenai pengaruh persentase serat sabut kelapa dan resin polyester terhadap sifat fisik dan mekanik papan beton ringan. Persentase serat sabut kelapa yang digunakan adalah 0%, 0,2%, 0,4%, 0,6%, dan 0,8%. Persentase resin polyester pada penelitian ini adalah 0%, 0,25%, 0,5%, 0,75%, dan 1%. Pengujian yang dilakukan pada sampel meliputi uji densitas, daya serap air, porositas, kuat tekan, dan kuat lentur. Penambahan serat sabut kelapa dan resin polyester dapat membuat papan beton lebih ringan dibandingkan dengan papan GRC yang ada di pasaran. Nilai densitas yang terendah diperoleh pada 0,8% serat sabut kelapa yaitu 1,502 g/cm3 dan 0,75% resin polyester yaitu 1,509 g/cm3. Penambahan 0,6% serat sabut kelapa dan 0,75% resin polyester merupakan persentase optimum yang dapat diisikan ke dalam papan beton ringan. Nilai densitas papan beton ringan sudah memenuhi SNI 03-3449-2002 namun kuat tekan beton ringan jenis struktural belum memenuhi SNI 03-3449-2002. Nilai daya serap air beton ringan berbahan serat sabut kelapa dan resin polyester belum memenuhi SNI 03-2105-2006.

Kata kunci: densitas, kuat tekan, porositas, resin polyester, serat sabut kelapa

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Published

2017-10-03

Issue

Vol. 6 No. 4 (2017)

Section

Articles

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Copyright (c) 2017 Lara Putri Jatmika, Alimin Mahyudin

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