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Engineering geological and geophysical investigations of a slope failure at Edinburgh Castle, Scotland

Donnelly, L.J.; Culshaw, M.G.; Hobbs, P.R.N.; Flint, R.C.; Jackson, P.D.. 2005 Engineering geological and geophysical investigations of a slope failure at Edinburgh Castle, Scotland. Bulletin of Engineering Geology and Environment, 64 (2). 119-137. 10.1007/s10064-004-0260-7

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Abstract/Summary

Edinburgh Castle is one of Scotlands most important heritage sites. It was built on a classic crag and tail structure where the crag consists of columnar jointed basalt and the tail of sediments protected from glacial erosion by the crag. In 1997 apparent instability was observed on the southern side of the tail. A shallow slope failure was proved to have taken place within saturated, layered, cohesive to non-cohesive, loose to dense heterogeneous fill on a slope of 44°. The date of the initial failure is not known, but is likely to have taken place over a period of many years, since at least the 1950s. Remediation works were subsequently undertaken to stabilise the slope, consisting mainly of the installation of soil nails, a bi-axial geo-grid and minor filling to mitigate the effects of the ground movements and to facilitate repair of the retaining wall.

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1007/s10064-004-0260-7
Programmes: BGS Programmes > Physical Hazards
ISSN: 1435-9529
Date made live: 18 Apr 2012 14:25
URI: http://nora.nerc.ac.uk/id/eprint/17791

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