Pengaruh Penambahan Aluminium Pasta dengan Sikacim Concrete Additive atau Katalis Mekpo Terhadap Sifat Fisis Papan Beton Ringan Berserat Sabut Kelapa
DOI:
https://doi.org/10.25077/jfu.8.2.191-197.2019Abstract
Telah dilakukan penelitian tentang pengaruh penambahan aluminium pasta dengan sikacim concrete additive dan katalis MEKPO terhadap sifat fisis papan beton ringan berserat sabut kelapa. Penelitian bertujuan untuk mengetahui persentase optimum penambahan aluminium pasta terhadap sifat fisik dan sifat mekanik pada papan beton ringan berserat sabut kelapa. Persentase aluminium pasta yang digunakan adalah 0,05%, 0,1%, 0,2%, 0,3%, dan 0,4%. Pengujian yang dilakukan pada sampel yaitu uji sifat fisik (densitas dan porositas) dan uji sifat mekanik (kuat tekan dan kuat lentur). Penambahan aluminium pasta dengan sikacim concrete additive dan katalis MEKPO menurunkan densitas karena bertambahnya porositas. Densitas minimum sebesar1,71 g/cm3 didapatkan pada penambahan aluminium pasta 0,4% dengan sikacim concrete additive. Porositas maksimum sebesar 39,1% didapat pada penambahan aluminium pasta 0,4% dengan sikacim concrete additive. Nilai kuat tekan maksimum sebesar 78 kg/cm2 pada penambahan aluminium pasta 0,05% dengan sikacim concrete additive dan kuat tekan semakin berkurang ketika penambahan aluminium pasta semakin meningkat. Kuat lentur maksimum yang dihasilkan sebesar 72 kg/cm2 pada penambahan aluminium pasta 0,1% dengan sikacim concrete additive. Semakin besar penambahan aluminium pasta, semakin menurun kuat lentur. Sifat fisik dan sifat mekanik papan beton ringan dengan sikacim concrete additive lebih baik dari papan beton ringan dengan katalis MEKPO. Densitas, porositas dan kuat tekan papan beton ringan berserat sabut kelapa telah memenuhi standar SNI- 03-3449-2002 dan SNI-03-2105-2006 namun kuat lentur belum memenuhi standar.
Kata kunci: aluminium pasta, sikacim concrete additive,katalis MEKPO, serat sabut kelapa, papan beton ringan
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Copyright (c) 2019 Deri Wahyuni, Alimin Mahyudin
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