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Hydro dam

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Hydro dam

penstock

Energy; Hydro dam

A pressurized pipeline or shaft between the reservoir and hydraulic machinery.

tiltmeters

Energy; Hydro dam

An instrument that monitors the horizontal or vertical tilt of structures and rock masses.

seismotectonic source area

Energy; Hydro dam

An area or areas of known or potential seismic activity that may lack a specific identifiable seismotectonic structure.

height, above ground

Energy; Hydro dam

The maximum height from natural ground surface to the top of a dam.

grout cap

Energy; Hydro dam

A concrete filled trench or pad encompassing all grout lines constructed to impede surface leakage and to provide anchorage for grout connections.

plumblines

Energy; Hydro dam

Measures the movement of a concrete dam due to applied reservoir water pressures and temperature changes. Installations consist of a formed shaft, suspension assembly, wire, plumb bob, dash pot and ...

stillwater level

Energy; Hydro dam

The elevation that a water surface would assume if all wave actions were absent.

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