An investigation and assessment of embankment stability at Daer Reservoir
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Published:2016
R Morrin, M Sullivan, A Macdonald, C Holt, 2016. "An investigation and assessment of embankment stability at Daer Reservoir", Dams – Benefits and Disbenefits; Assets or Liabilities?: Proceedings of the 19th Biennial Conference of the British Dam Society held at Lancaster University from 7–10 September 2016, Andrew Pepper
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SYNOPSIS
Daer Reservoir, constructed in the 1950s, is one of the largest earth embankment dams in Scotland at approximately 40 m high with capacity of around 25.5 Mm3. The dam has an articulated concrete core with bitumen seals provided for the movement of joints. It is classified a Category A dam as defined by Floods and Reservoirs Safety, 3rd Edition (ICE, 1996).
On Friday 13th December 2013 a slip was observed on the downstream face of the dam during heavy rainfall. The paper describes the short term actions taken to address stability, and the subsequent ground investigations and failure analysis, including assessing if other areas of the embankment were at risk.
