An investigation of two peat slope failures in the Wicklow mountains

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Title: An investigation of two peat slope failures in the Wicklow mountains
Authors: Boylan, Noel
Long, Michael (Michael M.)
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Date: Dec-2010
Abstract: Although peat slope failures have occurred in Ireland for many thousands of years their causal factors and the triggering mechanisms involved are poorly understood. A particular barrier to quantitative assessment of the risk of failures is the lack of knowledge of the geotechnical properties of peat and its role in failures. In order to advance the understanding of these issues case history data is invaluable. This paper describes a case study from the Wicklow mountains where a desk and remote sensing based study was used to identify peat slope failures. Subsequently detailed field studies were carried out at two failure locations. It was found that although the full causal factors at the time of failure are unknown, a common factor was that the failure took place in a zone of highly decomposed and relatively low fibre content peat. A revision of the standard test method for fibre content for use in peat soils is proposed.
Funding Details: Not applicable
Type of material: Journal Article
Publisher: Royal Irish Academy
Journal: Biology and Environment : Proceedings of the Royal Irish Academy
Volume: 110B
Issue: 3
Start page: 173
End page: 184
Copyright (published version): Royal Irish Academy
Keywords: PeatBogflowPeat failureRemote sensingFibre content
Subject LCSH: Slopes (Soil mechanics)--Stability
Peat bogs--Ireland--Wicklow
DOI: 10.3318/BIOE.2010.110.3.173
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Language: en
Status of Item: Peer reviewed
Appears in Collections:Urban Institute Ireland Research Collection
Critical Infrastructure Group Research Collection
Civil Engineering Research Collection

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