- Sektör: Government
- Number of terms: 10940
- Number of blossaries: 0
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Catastrophic type of failure characterized by the sudden, rapid, and uncontrolled release of impounded water or the likelihood of such an uncontrolled release It is recognized that there are lesser degrees of failure and that any malfunction or abnormality outside the design assumptions and parameters that adversely affect a dam's primary function of impounding water is properly considered a failure. These lesser degrees of failure can progressively lead to or heighten the risk of a catastrophic failure. They are, however, normally amenable to corrective action.
Industry:Energy
A nearly horizontal underground excavation in an abutment having an opening in only one end. An opening in the face of a dam for access to galleries or operating chambers.
Industry:Energy
An opening at a low level from a reservoir generally used for emptying or for scouring sediment and sometimes for irrigation releases.
Industry:Energy
A form of auxiliary spillway consisting of a low embankment designed to be overtopped and washed away during an exceptionally large flood.
Industry:Energy
The difference between a water level and a lower water level in a reservoir within a particular time. Used as a verb, it is the lowering of the water surface.
Industry:Energy
Theoretically, the greatest depth of precipitation for a given duration that is physically possible over a given size storm area at a particular geographical location during a certain time of the year.
Industry:Energy
A process of determining progressively over time the amplitude of a flood wave as it moves past a dam or downstream to successive points along a river or stream.
Industry:Energy
The lowest level to which the reservoir is drawn down under normal operating conditions. The lower limit of active storage.
Industry:Energy
Any fabric or textile (natural or synthetic) when used as an engineering material in conjunction with soil, foundations, or rock. Geotextiles have the following uses: drainage, filtration, separation of materials, reinforcement, moisture barriers, and erosion protection.
Industry:Energy
A long underground excavation with two or more openings to the surface, usually having a uniform cross section used for access, conveying flows, etc.
Industry:Energy
