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Sustainability 2017, 9(9), 1556;

Behaviour of a Sustainable Concrete in Acidic Environment

Department of Civil Engineering, Curtin University, Perth 6845, Australia
Author to whom correspondence should be addressed.
Received: 29 July 2017 / Revised: 23 August 2017 / Accepted: 30 August 2017 / Published: 1 September 2017
(This article belongs to the Special Issue Sustainable Construction)
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Sustainability has become one of the most important considerations in building design and construction in recent years. Concrete is susceptible to acid attack because of its alkaline nature. The socioeconomic losses associated with infrastructure deterioration due to acid attack exceed billions of dollars all around the world. An experimental investigation was carried out to study the behaviour of sustainable concrete in 3% sulphuric acid and 1.5% nitric acid environment in which cement was replaced by a combination of fly ash and ultra fine fly ash. It was found that the compressive strength loss of concrete in these acid environments was the minimum in which cement was replaced by 30% fly ash and 10% ultra fine fly ash. This mix also showed the lowest mass loss when exposed to these acids. View Full-Text
Keywords: sustainable concrete; fly ash; ultra fine fly ash; sulphuric acid; nitric acid sustainable concrete; fly ash; ultra fine fly ash; sulphuric acid; nitric acid

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Barbhuiya, S.; Kumala, D. Behaviour of a Sustainable Concrete in Acidic Environment. Sustainability 2017, 9, 1556.

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