The Influence of Nickel Slag Aggregate Concentration to Compressive and Flexural Strength on Fly Ash-Based Geopolymer Composite

Sujiono, Eko Hadi and Setiawan, A and Husain, H and Samnur, Samnur and Subaer, Subaer (2016) The Influence of Nickel Slag Aggregate Concentration to Compressive and Flexural Strength on Fly Ash-Based Geopolymer Composite. In: AIP Conference Proceedings.

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Abstract

Fly ash-based geopolymer with nickel slag aggregate has been successfully produced. Fly ash and nickel slag were obtained from Bosowa Jeneponto Power Plant and PT. Vale Indonesia, respectively. This research aims to investigate the influence of nickel slag concentration to compressive strength, flexural strength, and microstructure of geopolymer composite. The increment of nickel slag aggregate on fly ash was relative to the weight of samples. Geopolymer composite were synthesized by using alkali activated method, cured at temperature of 70 °C for 1 hour. The resulting composites were left at room temperature for 14 days, before compressive and flexural strength were performed. The results showed that the addition of nickel slag aggregate was found to increase the compressive strength of the material. The optimum compressive strength was 14.81 MPa with the addition of 10% aggregate. The optimum flexural strength was 2.63 MPa with the addition of 15% aggregate.

Item Type:	Conference or Workshop Item (Paper)
Subjects:	FAKULTAS TEKNIK FAKULTAS TEKNIK > Pendidikan Teknik Mesin KARYA ILMIAH DOSEN Universitas Negeri Makassar > KARYA ILMIAH DOSEN
Divisions:	FAKULTAS TEKNIK
Depositing User:	Mardiana Mardiana
Date Deposited:	24 Apr 2023 12:41
Last Modified:	24 Apr 2023 12:41
URI:	http://eprints.unm.ac.id/id/eprint/27978

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