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Title: Challenges in monitoring and managing engineered slopes in a changing climate
Authors: Hughes, Paul N.
Hen-Jones, Rosalind
Stirling, Ross A.
Glendinnning, Stephanie
Gunn, David
Chambers, J.
Dijkstra, Tom
Smethurst, J.A.
Flesjo, Kristine
Issue Date: 2016
Publisher: © EDP Sciences
Citation: HUGHES, P.N. ...et al., 2016. Challenges in monitoring and managing engineered slopes in a changing climate. Presented at the 3rd European Conference on Unsaturated Soils – “E-UNSAT 2016” Paris, 12-14th September, E3S Web of Conferences, 9: 04009.
Abstract: © 2016 The Authors. Geotechnical asset owners need to know which parts of their asset network are vulnerable to climate change induced failure in order to optimise future investment. Protecting these vulnerable slopes requires monitoring systems capable of identifying and alerting to asset operators changes in the internal conditions that precede failure. Current monitoring systems are heavily reliant on point sensors which can be difficult to interpret across slope scale. This paper presents challenges to producing such a system and research being carried out to address some of these using electrical resistance tomography (ERT). Experimental results show that whilst it is possible to measure soil water content indirectly via resistivity the relationship between resistivity and water content will change over time for a given slope. If geotechnical parameters such as pore water pressure are to be estimated using this method then ERT systems will require integrating with more conventional geotechnical instrumentation to ensure correct representative information is provided. The paper also presents examples of how such data can be processed and communicated to asset owners for the purposes of asset management.
Description: This is an Open Access Paper. It is published by EDP Sciences under the Creative Commons Attribution 4.0 Unported Licence (CC BY). Full details of this licence are available at: http://creativecommons.org/licenses/by/4.0/
Sponsor: The authors would like to acknowledge funding provided by EU-COST Action TU1202, the Natural Environment Research Council (GA/12S/007), the BGS British University Funding Initiative (S223), iSMART (EP/K027050/1), and Assessing the Underworld (EP/K021699/1). Tom Dijkstra, Jon Chambers and David Gunn publish with the permission of the Executive Director of the British Geological Survey.
Version: Published
DOI: 10.1051/e3sconf/20160904009
URI: https://dspace.lboro.ac.uk/2134/32003
Publisher Link: https://doi.org/10.1051/e3sconf/20160904009
Appears in Collections:Conference Papers (Architecture, Building and Civil Engineering)

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