Home > Industry/Domain > Energy > Dam safety

Dam safety

Contributors in Dam safety

Dam safety

earthquake, operating basis (OBE)

Energy; Hydro dam

The earthquakes for which the structure is designed to resist and remain operational. It reflects the level of earthquake protection desired for operational or economic reasons and may be determined ...

cofferdam

Energy; Hydro dam

A temporary structure enclosing all or part of the construction area that construction can proceed in the dry. A diversion cofferdam diverts a stream into a pipe, channel, tunnel, or other ...

regulating sleeve valve

Energy; Hydro dam

A valve for regulating high pressure outlets and ensuring energy dissipation. Inside the valve there is a fixed-cone, pointed upstream, which ensures dispersion of the jet. Outside the valve, a ...

fixed wheel gate

Energy; Hydro dam

A gate having wheels or rollers mounted on the end posts of the gate. The wheels bear against rails fixed in side grooves or gate guides.

freeboard

Energy; Hydro dam

Vertical distance between a specified stillwater (or other) reservoir surface elevation and the top of the dam, without camber.

seismotectonic province

Energy; Hydro dam

A geologic area characterized by similarity of geologic structure and tectonic and seismic history.

duration of strong ground motion

Energy; Hydro dam

The "bracketed duration" or the time interval between the first and last acceleration peaks that are equal to or greater than 0. 05g.

Featured blossaries

Antioxidant Food

Category: Food   1 8 Terms

Futures Terms and Definitions

Category: Business   2 20 Terms