18 Terms
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Civil engineering
The branch of engineering concerned with the design, construction, and maintenance of such public works roads, bridges, canals, dams, and buildings.
Industry: Engineering
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Civil engineering
Pore-water pressure
Engineering; Civil engineering
Internal hydrostatic pressure in an embankment caused by the level of water in the reservoir acting through pressure-transmitting paths between soil particles in the fill.
Core wall
Engineering; Civil engineering
A wall of substantial thickness built of impervious material, usually of concrete or asphaltic concrete, in the body of an embankment dam to prevent leakage. See membrane.
Saltation
Engineering; Civil engineering
The movement of sand or fine sediment by short jumps above a streambed under the influence of a water current too weak to keep it permanently suspended in the moving water.
Upstream blanket
Engineering; Civil engineering
An impervious blanket placed on the reservoir floor and abutments upstream of a dam. For an embankment dam, the blanket may be connected to the impermeable element or core.
Alternatives
Engineering; Civil engineering
Courses of action that may meet the objectives of a proposal at varying levels of accomplishment, including the most likely future conditions without the project or action.
Alluvial
Engineering; Civil engineering
Related to, composed of, or found in alluvium. Sedimentary material transported and deposited by the action of flowing water, such as in a riverbed, flood plain, or delta.
Artificial recharge
Engineering; Civil engineering
Addition of surface water to a ground water reservoir by human activity, such as putting surface water into spreading basins. See ground water recharge, and recharge basin.
