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Geopolymer lightweight bricks manufactured from fly ash and foaming agent

Wan Ibrahim, Wan Mastura and Hussin, Kamarudin and Abdullah, Mohd Mustafa Al Bakri and Abdul Kadir, Aeslina (2017) Geopolymer lightweight bricks manufactured from fly ash and foaming agent. AIP Conference Proceedings, 1835 (1). pp. 1-5. ISSN 15517616

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Abstract

This paper deals with the development of lightweight geopolymer bricks by using foaming agent and fly ash. The mix parameters analysed through a laboratory experiment with fix ratio of sodium silicate/sodium hydroxide solution mass ratio 2.5, fly ash/alkaline activator solution mass ratio 2.0, foaming agent/paste mass ratio 1:2 and molarity of sodium hydroxide solution used was 12M. Different curing temperature (Room Temperature, 60, 80) and foaming agent/water mass ratio (1:10 and 1:20) were studied. Compressive strength, density analysis, and water absorption has been investigated. The results show that the foamed geopolymer bricks with a lower foam/water mass ratio (1:10)and high curing temperature (80°C) leading to a better properties. Mixtures with a low density of around 1420 kg/m3 and a compressive strength of around 10 MPa were achieved.

Item Type: Article
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA401-492 Materials of engineering and construction. Mechanics of materials
Divisions: Faculty of Civil and Environmental Engineering > Department of Water and Environmental Engineering
Depositing User: Mr. Mohammad Shaifulrip Ithnin
Date Deposited: 13 Aug 2018 03:16
Last Modified: 13 Aug 2018 03:16
URI: http://eprints.uthm.edu.my/id/eprint/9390
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