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An embankment is a raised wall, bank or mound made of earth or stones, that are used to hold back water or carry a roadway. A road , railway line , or canal is normally raised onto an embankment made of compacted soil (typically clay or rock-based) to avoid a change in level required by the terrain , the alternatives being either to have an ...
Embankment dams come in two types: the earth-filled dam (also called an earthen dam or terrain dam) made of compacted earth, and the rock-filled dam. A cross-section of an embankment dam shows a shape like a bank, or hill. Most have a central section or core composed of an impermeable material to stop water from seeping through the dam.
A rockfall protection embankment is an earthwork built in elevation with respect to the ground to intercept falling rock fragments before elements at risk such as roads and buildings are reached. This term is widely used in the rockfall community but the terms bunds and walls are sometimes used as alternatives.
Heavy construction equipment is usually used due to the amounts of material to be moved — up to millions of cubic metres. Earthwork construction was revolutionized by the development of the scraper and other earth-moving machines such as the loader, the dump truck, the grader, the bulldozer, the backhoe, and the dragline excavator.
Hardy Dam (or Hardy Hydroelectric Plant) is an earth-filled embankment dam and powerplant complex on the Muskegon River in Big Prairie Township, Newaygo County, Michigan. At the time of its completion, it was the largest earthen dam in North America east of the Mississippi. Its impoundment forms a lake with over 50 miles of shoreline.
However Wolf Creek is primarily an earth fill embankment dam. In this form of construction the majority of the dam's structure (measured by length across the streambed) is a nominally waterproof earth fill embankment body, with only the powerhouse and (if so equipped) the controlled overflow spillway section located within a concrete monolith.
A flood embankment is traditionally an earth wall used to shore up flood waters.. Most flood embankments are between 1 metre and 3 metres high. A 5-metre-high (16 ft) flood embankment is rare.
Embankment, earth/rock-fill United States: Stanislaus River: 1979 W.A.C. Bennett Dam: 190.5 m (625 ft) Embankment, earth-fill Canada: Peace River: 1968 Sogamoso Dam: 190 m (620 ft) Embankment, concrete-face rock-fill Colombia: Sogamoso: 2014 Arkun Dam: 188 m (617 ft) Embankment, earth-fill Turkey: Çoruh River: 2014 Miel 1 Dam: 188 m (617 ft)