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Buttress, A.J., Grenfell, J.R.A. and Airey, Gordon (2013) The role of ettringite in the deterioration of artificial lime stabilised soils: a microstructural study. Road Materials and Pavement Design, 14 (3). pp. 586-614. ISSN 1468-0629

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Abstract

The formation of ettringite has been defined as a major failure mechanism of lime stabilised cohesive soils. It can result in both disruptive volumetric changes and loss of mechanical strength. The mechanisms of its formation and the role it plays in deleterious processes are complex. This paper reports the dimensional and strength changes of a range of artificial lime stabilised cohesive soils subject to two swell test procedures: the UK linear CBR swell test (BS1924-2, BSI 1990) and the European accelerated swell test (EN13286-49, CEN 2007). The resulting microstructural composition was analysed using a combination of Scanning Electron Microscopy and Electron Dispersive X-ray Spectroscopy (SEM-EDX). The results are explained in terms of established theories of crystal formation and subsequent expansion mechanisms.

Item Type:	Article
RIS ID:	https://nottingham-repository.worktribe.com/output/1001265
Additional Information:	This is an Accepted Manuscript of an article published by Taylor & Francis in Road Materials and Pavement Design on 31/05/2013, available online: http://wwww.tandfonline.com/10.1080/14680629.2013.779306
Keywords:	swell test; lime; soil; ettringite; scanning electron microscopy; electron dispersive X-ray spectroscopy
Schools/Departments:	University of Nottingham, UK > Faculty of Engineering > Department of Civil Engineering
Identification Number:	https://doi.org/10.1080/14680629.2013.779306
Depositing User:	Buttress, Dr Adam
Date Deposited:	18 Dec 2014 11:41
Last Modified:	04 May 2020 20:18
URI:	https://eprints.nottingham.ac.uk/id/eprint/27822

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