Pengaruh Persentase Serbuk Ampas Tebu terhadap Sifat Fisik dan Mekanik Papan Semen Partikel
DOI:
https://doi.org/10.25077/jfu.7.4.367-373.2018Abstract
Telah dilakukan penelitian mengenai pengaruh persentase serbuk ampas tebu terhadap sifat fisik dan mekanik papan semen partikel. Uji sifat fisik meliputi uji densitas, daya serap air dan porositas, sedangkan uji sifat mekanik terdiri dari uji kuat tekan dan kuat lentur dengan perawatan papan selama 28 hari. Persentase serbuk ampas tebu yang digunakan adalah 0%; 2,5%; 5%; 7,5% dan 10% terhadap volume cetakan dengan ukuran 100 mesh. Hasil uji sifat fisik menunjukkan bahwa densitas terendah dicapai papan semen partikel sebesar 1,696 g/cm3 dengan penambahan 10% serbuk ampas tebu, daya serap air rata-rata tertinggi pada papan semen partikel sebesar 12,77% dengan persentase serbuk ampas tebu 10 %, porositas rata-rata tertinggi pada papan semen partikel sebesar 21,67% dengan persentase serbuk ampas tebu 10 %. Hasil penelitian untuk uji sifat mekanik menunjukkan bahwa kuat tekan rata - rata tertinggi adalah 52,4 kg/cm2 dengan penambahan serbuk ampas tebu 5 % dan kuat lentur rata - rata tertinggi pada papan semen partikel adalah 40,5 kg/cm2 dengan penambahan serbuk ampas tebu 0%. Penambahan 5% serbuk ampas tebu merupakan persentase optimum pada uji kuat tekan yang dapat ditambahkan pada papan semen partikel. Nilai densitas dan daya serap air telah memenuhi SNI 03-2105-2006, namun untuk uji sifat mekaniknya belum memenuhi SNI 03-2105-2006.
Kata kunci: densitas, daya serap air, porositas, serbuk ampas tebu, kuat lentur, kuat tekan, papan semen.
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