Author(s)

S. Bu, S. Gallocher, K. Dempster

Abstract

Seismic response of Mullardoch Dam: a case study S. Bu', S. Gallocher' & K. Dempster' 'Special Structures Department, Halcrow Group, UK * Hydro Generation, Scottish and Southern Energy pic, UK Abstract This paper assesses the seismic response of Mullardoch Dam. The EAGD- SLIDE program is used to investigate the effects of different input motions, variations in material properties, and dam-rock interface properties on the seismic behaviour of gravity dams. The details of the seismic analysis carried out on Mullardoch dam and findings of the progressive sliding behaviour and earthquake-induced stresses within the dam body are presented. 1 Introduction Seismic activity in the UK has been at a relatively low level throughout recorded history and, as a consequence, few British dams have been designed specifically to withstand earthquakes. However, as many dams are located immediately upstream of centres of population, the number of casualties in an event of failure of a dam during a

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