Stabilisation of Clay Mixtures and Soils by Alkali Activation

Alastair Marsh, Andrew Heath, Pascaline Patureau, Mark Evernden, Peter Walker

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Abstract

Alkali activation of clay minerals in soil can be used to form a stabilising phase, such as a geopolymer. Because this requires low-temperature curing, typically <100 °C, it has the potential to be a lower-energy method than fired brick or even cement or lime stabilisation. Whilst this has been demonstrated for individual clay minerals and soils, it is unknown how effective this stabilisation method is for naturally occurring soils from around the world. The potential for stabilisation by alkali activation of a given clay mixture or soil could be approximately, but not fully, predicted from its clay mineralogical composition.
Original languageEnglish
Title of host publicationEarthen Dwellings and Structures
PublisherSpringer Verlag
Pages15-26
Number of pages12
ISBN (Electronic)978-981-13-5883-8
ISBN (Print)978-981-13-5882-1
DOIs
Publication statusPublished - 2 Mar 2019

Publication series

NameSpringer Transactions in Civil and Environmental Engineering
PublisherSpringer

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Cite this

Marsh, A., Heath, A., Patureau, P., Evernden, M., & Walker, P. (2019). Stabilisation of Clay Mixtures and Soils by Alkali Activation. In Earthen Dwellings and Structures (pp. 15-26). (Springer Transactions in Civil and Environmental Engineering). Springer Verlag. https://doi.org/10.1007/978-981-13-5883-8_2