Fresh properties of concrete containing calcined clays: a review by RILEM TC-282 CCL

Dhandapani, Y; Joseph, S; Geddes, DA; Zhao, Z; Boustingorry, P; Bishnoi, S; Vieira, M; Martirena, F; Castel, A; Kanavaris, F; Riding, KA

Fresh properties of concrete containing calcined clays: a review by RILEM TC-282 CCL

Dhandapani, Y Joseph, S Geddes, DA Zhao, Z Boustingorry, P Bishnoi, S Vieira, M Martirena, F Castel, A

Kanavaris, F Riding, KA

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Publisher:: Springer Science and Business Media LLC
Publication Type:: Journal Article
Citation:: Materials and Structures/Materiaux et Constructions, 2022, 55, (6), pp. 151
Issue Date:: 2022-07-01

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Field	Value	Language
dc.contributor.author	Dhandapani, Y
dc.contributor.author	Joseph, S
dc.contributor.author	Geddes, DA
dc.contributor.author	Zhao, Z
dc.contributor.author	Boustingorry, P
dc.contributor.author	Bishnoi, S
dc.contributor.author	Vieira, M
dc.contributor.author	Martirena, F
dc.contributor.author	Castel, A https://orcid.org/0000-0003-1619-9643
dc.contributor.author	Kanavaris, F
dc.contributor.author	Riding, KA
dc.date.accessioned	2023-01-31T03:03:39Z
dc.date.available	2023-01-31T03:03:39Z
dc.date.issued	2022-07-01
dc.identifier.citation	Materials and Structures/Materiaux et Constructions, 2022, 55, (6), pp. 151
dc.identifier.issn	1359-5997
dc.identifier.issn	1871-6873
dc.identifier.uri	http://hdl.handle.net/10453/165658
dc.description.abstract	This state of the art presents an overview on the effects of calcined clay inclusion on the fresh properties of concrete under the framework of RILEM TC-282 CCL. Progress in recent literature was reviewed to determine the effects of calcined clay, particularly metakaolin and lower grade kaolinite clays, on fresh concrete properties and how to control them using admixtures, particle packing, and mixture proportioning. A summary of recent studies on the use of superplasticizers in modified (or combined form) to improve compatibility have shown promising outcomes to control the rheological properties of calcined clay binders. Superplasticizer demand required to achieve workable concrete increases with increasing dosage of calcined clay and increases substantially for concrete produced with calcined clay at water-to-cementitious material ratios below 0.40. A comparative analysis of data from several literature shows that the addition of calcined clay could reduce setting time when used without superplasticizers. Addition of superplasticizers could help to control and increase the setting time significantly. Calcined clay can be used to make concrete with similar workability and setting times as concrete containing Portland cement through the use of polycarboxylate-based superplasticizers. However, more studies in future should focus on retention of workability by suitable methodologies for various construction activities. Care should be exercised to avoid long setting times with high dosages of superplasticizers.
dc.language	en
dc.publisher	Springer Science and Business Media LLC
dc.relation	http://purl.org/au-research/grants/arc/LP170100912
dc.relation.ispartof	Materials and Structures/Materiaux et Constructions
dc.relation.isbasedon	10.1617/s11527-022-01971-3
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0905 Civil Engineering
dc.subject.classification	Building & Construction
dc.title	Fresh properties of concrete containing calcined clays: a review by RILEM TC-282 CCL
dc.type	Journal Article
utslib.citation.volume	55
utslib.for	0905 Civil Engineering
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	2023-01-31T03:03:38Z
pubs.issue	6
pubs.publication-status	Published
pubs.volume	55
utslib.citation.issue	6

Abstract:

This state of the art presents an overview on the effects of calcined clay inclusion on the fresh properties of concrete under the framework of RILEM TC-282 CCL. Progress in recent literature was reviewed to determine the effects of calcined clay, particularly metakaolin and lower grade kaolinite clays, on fresh concrete properties and how to control them using admixtures, particle packing, and mixture proportioning. A summary of recent studies on the use of superplasticizers in modified (or combined form) to improve compatibility have shown promising outcomes to control the rheological properties of calcined clay binders. Superplasticizer demand required to achieve workable concrete increases with increasing dosage of calcined clay and increases substantially for concrete produced with calcined clay at water-to-cementitious material ratios below 0.40. A comparative analysis of data from several literature shows that the addition of calcined clay could reduce setting time when used without superplasticizers. Addition of superplasticizers could help to control and increase the setting time significantly. Calcined clay can be used to make concrete with similar workability and setting times as concrete containing Portland cement through the use of polycarboxylate-based superplasticizers. However, more studies in future should focus on retention of workability by suitable methodologies for various construction activities. Care should be exercised to avoid long setting times with high dosages of superplasticizers.

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http://hdl.handle.net/10453/165658