Nitrite admixed concrete for wastewater structures: Mechanical properties, leaching behavior and biofilm development

Li, X; O'Moore, L; Wilkie, S; Song, Y; Wei, J; Bond, PL; Yuan, Z; Hanzic, L; Jiang, G

Nitrite admixed concrete for wastewater structures: Mechanical properties, leaching behavior and biofilm development

Li, X

O'Moore, L Wilkie, S Song, Y Wei, J Bond, PL Yuan, Z Hanzic, L Jiang, G

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Publisher:: ELSEVIER SCI LTD
Publication Type:: Journal Article
Citation:: Construction and Building Materials, 2020, 233
Issue Date:: 2020-02-10

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Field	Value	Language
dc.contributor.author	Li, X https://orcid.org/0000-0003-1768-9556
dc.contributor.author	O'Moore, L
dc.contributor.author	Wilkie, S
dc.contributor.author	Song, Y
dc.contributor.author	Wei, J
dc.contributor.author	Bond, PL
dc.contributor.author	Yuan, Z
dc.contributor.author	Hanzic, L
dc.contributor.author	Jiang, G
dc.date.accessioned	2022-10-30T08:48:25Z
dc.date.available	2022-10-30T08:48:25Z
dc.date.issued	2020-02-10
dc.identifier.citation	Construction and Building Materials, 2020, 233
dc.identifier.issn	0950-0618
dc.identifier.issn	1879-0526
dc.identifier.uri	http://hdl.handle.net/10453/162916
dc.description.abstract	This study systematically investigated the impacts of calcium nitrite addition on the mechanical properties and biofilm communities of concrete-based wastewater infrastructures using sulfate resistant cement through standard tests and DNA sequencing, respectively. The results revealed that setting time and water demand for normal consistency were reduced, but slump, drying shrinkage, and apparent volume of permeable voids increased with calcium nitrite dosage up to 4% weight of cement. The cumulative leached fraction of nitrite, 28-day compressive strength and biofilm communities were not significantly affected by calcium nitrite dosages. The addition of calcium nitrite into concrete is environmentally friendly to wastewater infrastructures.
dc.language	English
dc.publisher	ELSEVIER SCI LTD
dc.relation.ispartof	Construction and Building Materials
dc.relation.isbasedon	10.1016/j.conbuildmat.2019.117341
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0905 Civil Engineering, 1202 Building
dc.subject.classification	Building & Construction
dc.title	Nitrite admixed concrete for wastewater structures: Mechanical properties, leaching behavior and biofilm development
dc.type	Journal Article
utslib.citation.volume	233
utslib.for	0905 Civil Engineering
utslib.for	1202 Building
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Civil and Environmental Engineering
utslib.copyright.status	closed_access	*
dc.date.updated	2022-10-30T08:48:24Z
pubs.publication-status	Published
pubs.volume	233

Abstract:

This study systematically investigated the impacts of calcium nitrite addition on the mechanical properties and biofilm communities of concrete-based wastewater infrastructures using sulfate resistant cement through standard tests and DNA sequencing, respectively. The results revealed that setting time and water demand for normal consistency were reduced, but slump, drying shrinkage, and apparent volume of permeable voids increased with calcium nitrite dosage up to 4% weight of cement. The cumulative leached fraction of nitrite, 28-day compressive strength and biofilm communities were not significantly affected by calcium nitrite dosages. The addition of calcium nitrite into concrete is environmentally friendly to wastewater infrastructures.

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http://hdl.handle.net/10453/162916