Irish peat slides 2006 – 2010

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Title: Irish peat slides 2006 – 2010
Authors: Long, Michael (Michael M.)
Jennings, Paul
Carroll, Roselyn
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Date: 2-Mar-2011
Online since: 2011-08-25T16:03:59Z
Abstract: The purpose of this paper is to present a review of peat landslide events in Ireland since 2003, when two significant events occurred. Since 2003, there have been at least thirteen such events. Several of these events included more than one slide. It is also likely that there have been unrecorded slides. It seems that there is an increasing incidence of such events but they seem to occur in clusters with intervening quiet periods. These clusters coincide with periods of intense rainfall. For many slides at least two causal factors can be identified. Primarily these comprised intense rainfall but human activities such as road construction and peat cutting also contributed to the slides. Detailed geotechnical testing of the peat, including laboratory direct simple shear tests (DSS), is reported for two of the slides. Back analysis of these two failures suggest that the mobilised strength of the material in the failure surface is similar to that measured in the DSS tests. However conventional geotechnical analyses need to be treated with caution as they fail to account for the complex interactions in the sliding surface and in particular the lubricating role of water.
Funding Details: Not applicable
Type of material: Journal Article
Publisher: Springer
Journal: Landslides
Volume: 8
Issue: 3
Start page: 391
End page: 401
Copyright (published version): Springer-Verlag 2011
Keywords: PeatTranslational (planar)Undrained shear strengthRainfallIreland
Subject LCSH: Landslides--Ireland
Peat bogs--Ireland
Shear strength of soils
DOI: 10.1007/s10346-011-0254-z
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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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