Progress, current thinking and challenges in geopolymer foam concrete technology

Article

Dhasindrakrishna, K., Pasupathy, Kirubajiny, Ramakrishnan, Sayanthan and Sanjayan, Jay. 2021. "Progress, current thinking and challenges in geopolymer foam concrete technology." Cement and Concrete Composites. 116, p. 103886. https://doi.org/10.1016/j.cemconcomp.2020.103886
Article Title

Progress, current thinking and challenges in geopolymer foam concrete technology

ERA Journal ID21082
Article CategoryArticle
AuthorsDhasindrakrishna, K., Pasupathy, Kirubajiny, Ramakrishnan, Sayanthan and Sanjayan, Jay
Journal TitleCement and Concrete Composites
Journal Citation116, p. 103886
Number of Pages17
Year2021
PublisherElsevier
Place of PublicationUnited Kingdom
ISSN0958-9465
1873-393X
Digital Object Identifier (DOI)https://doi.org/10.1016/j.cemconcomp.2020.103886
Web Address (URL)https://www.sciencedirect.com/science/article/pii/S0958946520303905
AbstractGeopolymer foam concrete (GFC) has attracted significant research interest in various fields, thanks to their porous structure which brings the inherent merits of lightweight, acoustic and thermal insulation, and fire resistance. This review is focussed on three primary functional properties of GFC, namely mechanical properties (compression and flexural strengths), serviceability (thermal conductivity, sound absorption, and fire resistance), and durability. The functional properties depend on the fundamental fresh and hardened properties (rheology, stability, density, porosity and pore morphology), and all these properties are decided by the materials, foaming methods, curing conditions, and additives. A clear insight to these relationships and the ways of optimising the performance as a construction material are therefore presented. Also, the challenges towards the large-scale production and real-world application of GFC are discussed. The identified research needs include studies on fresh properties, durability, processing techniques to attract industrial applications, and developing 3D printable GFC.
KeywordsAerated geopolymer; Alkali-activated foam ; Fire resistance ; Rheological properties ; Thermal insulation ; Lightweight concrete
Contains Sensitive ContentDoes not contain sensitive content
ANZSRC Field of Research 2020400505. Construction materials
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Byline AffiliationsSwinburne University of Technology
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