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A platform for research: civil engineering, architecture and urbanism
Stabilisation of Clay Mixtures and Soils by Alkali Activation
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.
Stabilisation of Clay Mixtures and Soils by Alkali Activation
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.
Stabilisation of Clay Mixtures and Soils by Alkali Activation
Marsh, Alastair (author) / Heath, Andrew (author) / Patureau, Pascaline (author) / Evernden, Mark (author) / Walker, Pete (author)
2019-01-01
12 pages
Article/Chapter (Book)
Electronic Resource
English
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