Structural ordering of aged and hydrothermally cured metakaolin based potassium geopolymers

Xinyuan Ke; John L. Provis; Susan A. Bernal

doi:10.1007/978-94-024-1207-9_37

Structural ordering of aged and hydrothermally cured metakaolin based potassium geopolymers

Xinyuan Ke, John L. Provis, Susan A. Bernal

Department of Architecture & Civil Engineering

University of Sheffield

Research output: Chapter or section in a book/report/conference proceeding › Chapter in a published conference proceeding

6 Citations (SciVal)

Abstract

This study evaluates the potential correlation between natural aging and hydrothermal curing (accelerated aging), related to the crystallisation of zeolites in potassium-based metakaolin geopolymer binders. 7-year old sealed-cured specimens, formulated with varying silicate contents, were evaluated. The effect of different accelerated aging durations on the mineralogy of these potassium-based geopolymers was also assessed. The results show that although zeolite formation is favoured under both natural and accelerated aging in potassium-based geopolymers, different types of zeolites are formed depending on the silicate content added to the mix, and the curing conditions of the specimens.

Original language	English
Title of host publication	Calcined Clays for Sustainable Concrete - Proceedings of the 2nd International Conference on Calcined Clays for Sustainable Concrete
Editors	F. Martirena , A. Favier, K. Scrivener
Place of Publication	Dordrecht, The Netherlands
Publisher	Springer Netherlands
Pages	232-237
Number of pages	6
ISBN (Print)	9789402412062
DOIs	https://doi.org/10.1007/978-94-024-1207-9_37
Publication status	Published - 1 Jan 2018
Event	2nd International Conference on Calcined Clays for Sustainable Concrete, 2017 - Havana, Cuba Duration: 5 Dec 2017 → 7 Dec 2017

Publication series

Name	RILEM Bookseries
Volume	16

Conference

Conference	2nd International Conference on Calcined Clays for Sustainable Concrete, 2017
Country/Territory	Cuba
City	Havana
Period	5/12/17 → 7/12/17

Funding

Acknowledgments. The work of David G. Brice and Peter Duxson (both formerly at University of Melbourne) in producing specimens and conducting hydrothermal curing is acknowledged. The participation of X. Ke, J.L Provis and S.A. Bernal was sponsored by the UK Engineering and Physical Sciences Research Council (EPSRC) through grant EP/P013171/1. Initial work in sample formulation was also partially sponsored by the Australian Research Council (ARC) through Discovery Project and Linkage Project Grants, including co-funding of the Linkage project by Zeobond Pty Ltd.

ASJC Scopus subject areas

Civil and Structural Engineering
Building and Construction
Mechanics of Materials

Access to Document

10.1007/978-94-024-1207-9_37

Cite this

Ke, X., Provis, J. L., & Bernal, S. A. (2018). Structural ordering of aged and hydrothermally cured metakaolin based potassium geopolymers. In F. Martirena , A. Favier, & K. Scrivener (Eds.), Calcined Clays for Sustainable Concrete - Proceedings of the 2nd International Conference on Calcined Clays for Sustainable Concrete (pp. 232-237). (RILEM Bookseries; Vol. 16). Springer Netherlands. https://doi.org/10.1007/978-94-024-1207-9_37

Structural ordering of aged and hydrothermally cured metakaolin based potassium geopolymers. / Ke, Xinyuan; Provis, John L.; Bernal, Susan A.
Calcined Clays for Sustainable Concrete - Proceedings of the 2nd International Conference on Calcined Clays for Sustainable Concrete. ed. / F. Martirena ; A. Favier; K. Scrivener. Dordrecht, The Netherlands: Springer Netherlands, 2018. p. 232-237 (RILEM Bookseries; Vol. 16).

Research output: Chapter or section in a book/report/conference proceeding › Chapter in a published conference proceeding

Ke, X, Provis, JL & Bernal, SA 2018, Structural ordering of aged and hydrothermally cured metakaolin based potassium geopolymers. in F Martirena , A Favier & K Scrivener (eds), Calcined Clays for Sustainable Concrete - Proceedings of the 2nd International Conference on Calcined Clays for Sustainable Concrete. RILEM Bookseries, vol. 16, Springer Netherlands, Dordrecht, The Netherlands, pp. 232-237, 2nd International Conference on Calcined Clays for Sustainable Concrete, 2017, Havana, Cuba, 5/12/17. https://doi.org/10.1007/978-94-024-1207-9_37

Ke X, Provis JL, Bernal SA. Structural ordering of aged and hydrothermally cured metakaolin based potassium geopolymers. In Martirena F, Favier A, Scrivener K, editors, Calcined Clays for Sustainable Concrete - Proceedings of the 2nd International Conference on Calcined Clays for Sustainable Concrete. Dordrecht, The Netherlands: Springer Netherlands. 2018. p. 232-237. (RILEM Bookseries). Epub 2017 Oct 28. doi: 10.1007/978-94-024-1207-9_37

Ke, Xinyuan ; Provis, John L. ; Bernal, Susan A. / Structural ordering of aged and hydrothermally cured metakaolin based potassium geopolymers. Calcined Clays for Sustainable Concrete - Proceedings of the 2nd International Conference on Calcined Clays for Sustainable Concrete. editor / F. Martirena ; A. Favier ; K. Scrivener. Dordrecht, The Netherlands : Springer Netherlands, 2018. pp. 232-237 (RILEM Bookseries).

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abstract = "This study evaluates the potential correlation between natural aging and hydrothermal curing (accelerated aging), related to the crystallisation of zeolites in potassium-based metakaolin geopolymer binders. 7-year old sealed-cured specimens, formulated with varying silicate contents, were evaluated. The effect of different accelerated aging durations on the mineralogy of these potassium-based geopolymers was also assessed. The results show that although zeolite formation is favoured under both natural and accelerated aging in potassium-based geopolymers, different types of zeolites are formed depending on the silicate content added to the mix, and the curing conditions of the specimens.",

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Structural ordering of aged and hydrothermally cured metakaolin based potassium geopolymers

Abstract

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ASJC Scopus subject areas

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