Stability Reassessment and Remedial Works at Leixlip Dam
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Published:2002
B O'Mahony, B Haugh, 2002. "Stability Reassessment and Remedial Works at Leixlip Dam", Reservoirs in a Changing World: Proceedings of the 12th conference of the BDS held at TRINITY COLLEGE, DUBLIN 4 – 8 September 2002, Paul Tedd
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Leixlip Dam is located on the River Liffey, 20km upstream of Dublin City. Concerns regarding the stability of the dam, due to the presence of weak layers of gouge material interspersed with the limestone layers in its rock foundation, have lead to a series of stability studies being carried out over a number of years. This paper provides a brief history of these studies and describes in more detail the most recent reassessment of the stability of Leixlip Dam. It further describes the remedial works, principally involving the installation of prestressed rock anchors, which were carried out as a result of the most recent reassessment of the dam's stability.
INTRODUCTION
ORIGINAL DESIGN OF LEIXLIP DAM
DESIGN REVIEWS AND REMEDIAL WORKS (1984–1990)
EXTERNAL DAM SAFETY COMMITTEE INSPECTIONS (1991/1996)
STABILITY REASSESSMENT OF DAM
LOAD CASES
GENERAL DESCRIPTION OF ANALYSIS PROCEDURE
RESULTS OF STABILITY REASSESSMENT OF LEIXLIP DAM
INSTALLATION OF ANCHORS
CONCLUSIONS
ACKNOWLEDGEMENTS
REFERENCES
