Pengaruh Penambahan Sekam Padi dengan Tambahan Serat Pinang Terhadap Sifat Fisik dan Mekanik Papan Beton Ringan

Authors

  • Ressi Anggraini Laboratorium Fisika Material Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Andalas
  • Alimin Mahyudin Laboratorium Fisika Material Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Andalas

DOI:

https://doi.org/10.25077/jfu.8.1.34-40.2019

Abstract

Telah dilakukan penelitian tentang pengaruh penambahan sekam padi dengan tambahan serat pinang terhadap sifat fisik dan mekanik papan beton ringan. Penambahan sekam padi yang digunakan adalah 0%, 10%, 20%, 30% dan 40%. Pengujian sifat fisik dan mekanik yang diuji meliputi densitas, porositas, daya serap air dan kuat tekan dengan ukuran sampel 5 cm x 5 cm x 1 cm, sedangkan kuat lentur dengan ukuran sampel 20 cm x 5 cm x 1 cm. Nilai densitas minimum yaitu 1,48 g/cm3 terdapat pada penambahan sekam padi 40%. Daya serap air mengalami kenaikan dengan bertambahnya sekam padi pada persentase 40% yaitu 15,84%. Nilai porositas semakin naik seiring bertambahnya persentase sekam padi, dimana nilai maksimum terdapat pada persentase 40% yaitu 23,78%. Kuat tekan maksimum yaitu 56,33 kg/cm2 pada persentase sekam padi 10% dan hampir mendekati SNI 03-3449-2002, sedangkan untuk nilai kuat lentur maksimum yaitu 38,83 kg/cm2 pada persentase 10%. Hasil pengujian menyatakan papan beton ringan dengan variasi sekam padi telah memenuhi SNI 03-3449-2002 dengan nilai densitas <1,90 g/cm3.

Kata kunci: papan beton, kuat tekan, kuat lentur, densitas, daya serap air dan porositas

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Published

2019-01-02

How to Cite

Anggraini, R., & Mahyudin, A. (2019). Pengaruh Penambahan Sekam Padi dengan Tambahan Serat Pinang Terhadap Sifat Fisik dan Mekanik Papan Beton Ringan. Jurnal Fisika Unand, 8(1), 34–40. https://doi.org/10.25077/jfu.8.1.34-40.2019

Issue

Vol. 8 No. 1 (2019)

Section

Articles

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Copyright (c) 2019 Ressi Anggraini, Alimin Mahyudin

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