A state-of-the-art review on the utilization of new green binders in the production of controlled low-strength materials

Tran, TQ; Kim, YS; Dang, LC; Do, TM

A state-of-the-art review on the utilization of new green binders in the production of controlled low-strength materials

Tran, TQ Kim, YS Dang, LC Do, TM

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Publisher:: Elsevier
Publication Type:: Journal Article
Citation:: Construction and Building Materials, 2023, 393, pp. 132078
Issue Date:: 2023-08-22

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Field	Value	Language
dc.contributor.author	Tran, TQ
dc.contributor.author	Kim, YS
dc.contributor.author	Dang, LC
dc.contributor.author	Do, TM
dc.date.accessioned	2024-04-14T19:48:34Z
dc.date.available	2024-04-14T19:48:34Z
dc.date.issued	2023-08-22
dc.identifier.citation	Construction and Building Materials, 2023, 393, pp. 132078
dc.identifier.issn	0950-0618
dc.identifier.uri	http://hdl.handle.net/10453/177899
dc.description.abstract	Controlled low-strength materials (CLSM) are widely recognized as cementitious materials that are self-leveling and self-compacting, and are mainly used to replace conventional structural fillings and backfill soil. Conventionally, Portland cement (PC) is the main binder used to produce CLSM. Nevertheless, owing to a low unconfined compressive strength, it has the potential of utilizing new green binders, which can be developed by using industrial by-products, as partial or full replacements of cement in CLSM mixtures. This plays an essential role in the reduction of industrial by-products and waste disposal and eventually promotes contributions to sustainable development. This article critically reviews the utilization of new green binders in the production of CLSM. Specifically, this work (i) provides a comprehensive introduction to CLSM as well as typical standards and requirements for this material; (ii) introduces types of commonly used by-products as green binders in CLSM; (iii) discusses how these green binders have been utilized in CLSM in terms of dosages and how positive the green binders can enhance the engineering properties of CLSM; and (iv) provides constructive comparisons and discussions on the role and the effectiveness of each green binder in CLSM mixture as well as their environmental impacts when being used. Based on extensive previous studies, using green binders to replace cement in the sustainable production of CLSM was determined to be feasible. Several constructive recommendations for future research in CLSM with green binders were provided. It is believed that the work done in this article could provide a systematic summary and informative discussion and comparison to encourage researchers and practitioners to promote the practical applications of CLSM made of new green binders, leading to innovative contributions toward the sustainable development of civil infrastructures.
dc.language	en
dc.publisher	Elsevier
dc.relation.ispartof	Construction and Building Materials
dc.relation.isbasedon	10.1016/j.conbuildmat.2023.132078
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0905 Civil Engineering, 1202 Building
dc.subject.classification	Building & Construction
dc.subject.classification	3302 Building
dc.subject.classification	4005 Civil engineering
dc.subject.classification	4016 Materials engineering
dc.title	A state-of-the-art review on the utilization of new green binders in the production of controlled low-strength materials
dc.type	Journal Article
utslib.citation.volume	393
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	2024-04-14T19:48:29Z
pubs.publication-status	Published
pubs.volume	393

Abstract:

Controlled low-strength materials (CLSM) are widely recognized as cementitious materials that are self-leveling and self-compacting, and are mainly used to replace conventional structural fillings and backfill soil. Conventionally, Portland cement (PC) is the main binder used to produce CLSM. Nevertheless, owing to a low unconfined compressive strength, it has the potential of utilizing new green binders, which can be developed by using industrial by-products, as partial or full replacements of cement in CLSM mixtures. This plays an essential role in the reduction of industrial by-products and waste disposal and eventually promotes contributions to sustainable development. This article critically reviews the utilization of new green binders in the production of CLSM. Specifically, this work (i) provides a comprehensive introduction to CLSM as well as typical standards and requirements for this material; (ii) introduces types of commonly used by-products as green binders in CLSM; (iii) discusses how these green binders have been utilized in CLSM in terms of dosages and how positive the green binders can enhance the engineering properties of CLSM; and (iv) provides constructive comparisons and discussions on the role and the effectiveness of each green binder in CLSM mixture as well as their environmental impacts when being used. Based on extensive previous studies, using green binders to replace cement in the sustainable production of CLSM was determined to be feasible. Several constructive recommendations for future research in CLSM with green binders were provided. It is believed that the work done in this article could provide a systematic summary and informative discussion and comparison to encourage researchers and practitioners to promote the practical applications of CLSM made of new green binders, leading to innovative contributions toward the sustainable development of civil infrastructures.

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http://hdl.handle.net/10453/177899