Authors: S. Rigbey, M. S. Lawrence, D.Daw
Canadian Dam Association Conference, Winnipeg, September 2008
Abstract
Ruskin Dam is a 59 m high concrete gravity dam that was completed in 1930, and is founded almost entirely upon rock. The dam has performed satisfactorily since its construction, but was considered to have insufficient withstand for the updated design earthquake. Stability analyses performed in the late 1990’s and early 2000’s relied on a number of simplifying assumptions, with no consideration given to the canyon geometry. The analyses suggested that anchoring of the concrete base to the rock foundation may be required to achieve satisfactory seismic withstand.