10 Terms
Contributors in Dam safety
Dam safety
multiple arch dam
Energy; Hydro dam
A buttress dam comprised of a series of arches for the upstream face.
skimmer gate
Energy; Hydro dam
A gate at the spillway crest whose prime purpose is to control the release of debris and logs with a limited amount of water. It is usually a bottom hinged flap or Bascule gate.
surface waves
Energy; Hydro dam
Waves that travel along or near the surface and include Rayleigh (Sv) and Love (SH) Waves of an earthquake.
drainage wells or relief wells
Energy; Hydro dam
Vertical wells downstream of or in the downstream shell of an embankment dam to collect and control seepage through and under the dam. A line of such wells forms a drainage curtain.
radial gate
Energy; Hydro dam
A gate with a curved upstream plate and radial arms hinged to piers or other supporting structure.
