Behaviour of a Sustainable Concrete in Acidic Environment

Salim Barbhuiya and Davin Kumala
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Salim Barbhuiya: Department of Civil Engineering, Curtin University, Perth 6845, Australia
Davin Kumala: Department of Civil Engineering, Curtin University, Perth 6845, Australia

Sustainability, 2017, vol. 9, issue 9, 1-13

Abstract: 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.

Keywords: sustainable concrete; fly ash; ultra fine fly ash; sulphuric acid; nitric acid (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2017
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:gam:jsusta:v:9:y:2017:i:9:p:1556-:d:110532

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