Dam safety

Dam safety

Industry: Energy

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Dam safety

adit

Energy; Hydro dam

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.

baffle block

Energy; Hydro dam

A block, usually of concrete, constructed in a channel or stilling basin to dissipate the energy of water flowing at high velocity.

phreatic surface

Energy; Hydro dam

The free surface of water seeping at atmospheric pressure through soil or rock.

top width

Energy; Hydro dam

The thickness or width of a dam at the level of the top of dam (excluding corbels or parapets). In general, the term thickness is used for gravity and arch dams, and width is used for other dams.

A gate used either for temporary closure of a channel or conduit before dewatering it for inspection or maintenance or for closure against flowing water when the head difference is small, e.g., for ...

geotextiles

Energy; Hydro dam

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 ...