Kajian Kuat Tarik Belah Pada Beton Bubuk Reaktif Dengan Pasir Kuarsa 30% dan Variasi Fly Ash sebagai Substitusi Parsial Semen

Authors

  • Dhimas Widya Taruna Wijaya Program Studi Teknik Sipil, Fakultas Teknik, Universitas Sebelas Maret
  • Endah Safitri Program Studi Teknik Sipil, Fakultas Teknik, Universitas Sebelas Maret
  • Wibowo Wibowo Program Studi Teknik Sipil, Fakultas Teknik, Universitas Sebelas Maret

DOI:

https://doi.org/10.47134/scbmej.v1i2.2964

Keywords:

Beton Bubuk Reaktif, Fly Ash, Kuat Tarik Belah

Abstract

Inovasi dalam teknologi beton telah mengalami perkembangan yang pesat dalam beberapa dekade terakhir. Salah satu contoh perkembangan teknologi pada beton adalah penggunakan fly ash pada beton bubuk rekatif atau Reactive Powder Concrete (RPC). Penggunaan fly ash dalam campuran beton berperan sebagai substitusi parsial semen dan dalam upaya pemanfaatan limbah dari batu bara. Pada penelitian ini, komposisi beton bubuk reaktif menggunakan pasir kuarsa sebesar 30% dari berat agregat halus dan variasi komposisi fly ash sebesar 0%; 5%; 10%; 15%; 20%; dan 25% dari berat semen dengan tujuan untuk menganalisis pengaruh dari penggunaan fly ash pada setiap variasi terhadap nilai dari kekuatan tarik belah beton bubuk reaktif. Pada pembuatan beton bubuk reaktif menghilangkan penggunaan agregat kasar dan menggantinya dengan menggunakan agregat halus dengan tujuan untuk meningkatkan homogenitas pada campuran beton dan menghasilkan beton mutu tinggi. Penelitian ini menggunakan metode eksperimental dengan menggunakan 18 sampel benda uji. Benda uji yang digunakan untuk mendapatkan nilai kuat tarik belah berbentuk silinder dengan diameter 15 cm, dan tinggi 30 cm yang sudah mencapai umur beton 28 hari, dan pengujian dilakukan menggunakan mesin compression testing machine (CTM). Pada pengujian kuat tarik belah dengan pasir kuarsa 30% dan variasi komposisi fly ash sebagai substitusi parsial semen didapatkan nilai berturut-turut sebesar 4,76 MPa; 4,90 MPa; 5,47 MPa; 5,19 MPa; 5,05 MPa; dan 4,36 MPa.

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Published

2024-07-19

How to Cite

Wijaya, D. W. T., Safitri, E., & Wibowo, W. (2024). Kajian Kuat Tarik Belah Pada Beton Bubuk Reaktif Dengan Pasir Kuarsa 30% dan Variasi Fly Ash sebagai Substitusi Parsial Semen. Sustainable Civil Building Management and Engineering Journal, 1(2), 10. https://doi.org/10.47134/scbmej.v1i2.2964

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