Pengaruh Penggantian Sebagian Semen dengan Abu Tempurung Kelapa terhadap Kinerja Beton

Bing  Santosa; Arusmalem Ginting; Prasetya  Adi; Eliada Obed  Manasye

doi:10.28932/jts.v19i2.5286

Penulis

Bing Santosa Universitas Janabadra
Arusmalem Ginting Universitas Janabadra
Prasetya Adi Universitas Janabadra
Eliada Obed Manasye Universitas Janabadra

DOI:

https://doi.org/10.28932/jts.v19i2.5286

Kata Kunci:

Abu Tempurung Kelapa, Aksi Pozzolan, Beton Hijau, Kuat Tekan, Nilai Slump

Abstrak

Beton hijau adalah beton ramah lingkungan yang dibuat dengan menggunakan limbah atau bahan sisa. Beton hijau dibuat menggunakan bahan alternatif untuk menggantikan sebagaian semen atau agregat. Tempurung kelapa merupakan limbah padat dari hasil pengolahan kelapa yang belum dimanfaatkan secara maksimal sehingga abu tempurung kelapa perlu dicoba untuk menggantikan sebagian semen. Substitusi semen dengan abu tempurung kelapa yang digunakan adalah 2,5%, 5,0%, 7,5%, 10%, 12,5%, 15%, 17,5%, 20%, dan 22,5 % terhadap berat semen. Benda uji berupa silinder beton sebanyak 3 buah setiap variasi dan dengan jumlah total 30 buah. Pengujian yang dilakukan berupa pengujian slump untuk beton segar dan pengujian kuat tekan untuk beton keras setelah berumur 28 hari. Dari hasil penelitian didapat: abu tempurung kelapa mempunyai kandungan silika yang tinggi sehingga dapat digunakan sebagai pozzolan. Peningkatan persentase substitusi semen dengan abu tempurung kelapa menurunkan nilai slump. Substitusi semen dengan abu tempurung kelapa meningkatkan kuat tekan beton. Peningkatan persentase substitusi semen dengan abu tempurung kelapa menurunkan kuat tekan beton Substitusi semen dengan abu tempurung kelapa tidak berpengaruh signifikan terhadap berat volume beton.

Unduhan

Data unduhan belum tersedia.

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