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Lookup NU author(s): Dr John Lamont-Black,
Emeritus Professor Colin Jones,
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Traditional embankment stabilisation techniques can have severe environmental impacts during construction and frequently leave behind a stark legacy of a bare embankment unsuitable for wildlife and unsightly for local residents. Electrokinetic geosynthetic (EKG) strengthening of slopes is a multi component treatment method which includes dewatering by electro-osmosis; reinforcement; drainage and soil modification. The method offers economic and environmental benefits.This paper provides a brief review of the electrokinetic concept as it applies to failed slopes and illustrates the method with respect to the design, analysis, construction and verification of the stabilisation of a strategically important and environmentally sensitive highway embankment. The strengthening of the slope was achieved with a 29% reduction in cost and a 40% reduction in carbon footprint when compared to an adjacent embankment which had been remediated a year earlier using conventional soil nails. Following the repair the scheme was awarded an Institution of Civil Engineers Award for Innovation and a Green Apple Award for excellence in sustainable construction. (C) 2016 Elsevier Ltd. All rights reserved.
Author(s): Lamont-Black J, Jones CJFP, Alder D
Publication type: Article
Publication status: Published
Journal: Geotextiles and Geomembranes
Print publication date: 01/06/2016
Online publication date: 04/02/2016
Acceptance date: 08/01/2016
ISSN (print): 0266-1144
ISSN (electronic): 1879-3584
Publisher: Elsevier Science Ltd.
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