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Construction materials of composite dams are the same used for concrete and embankment dams. Gravity dams can be classified by plan (shape): Most gravity dams are straight (Grand Coulee Dam). Some masonry and concrete gravity dams have the dam axis curved (Shasta Dam, Cheesman Dam) to add stability through arch action. [6]
The tallest embankment dam and second tallest dam in the world is the 300 m (984 ft) Nurek Dam in Tajikistan. The tallest gravity dam is the 285 m (935 ft) high Grande Dixence Dam in Switzerland. The tallest natural dam, the 567 m (1,860 ft) Usoi Dam in Tajikistan, is 262 m (860 ft) taller than the tallest existing man-made one.
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.
Dammed lakes with their location, volume, area and depth, as well as information on the relevant dam(s) Name of lake Canton Volume in million m³ Surface elevation (m) Surface area in km 2 Maximal depth (m) Name of dam Type of dam Year of construction Height of dam (m) Lac des Dix: Valais: 401: 2365 3.65 227: Grande Dixence: Gravity 1961 285 ...
Gravity style diversion dams are built to counteract the force of the water pushing on the dam by building a dam with enough weight to withstand the force. Gravity dams are commonly constructed using masonry or cement. The foundations of the gravity dams are generally constructed on top of a solid bedrock foundation. However, gravity dams can ...
Gravity dams are classified as "solid" or "hollow" and are generally made of either concrete or masonry. The solid form is the more widely used of the two, though the hollow dam is frequently more economical to construct. Grand Coulee Dam is a solid gravity dam and Braddock Locks & Dam is a hollow gravity dam. [citation needed]
Thomson Dam - NID Registered Structures Dam ID Other ID Name Height Width Type MN00604 – Thomson Dam 15 ft (4.6 m) 1,600 ft (490 m) Embankment and concrete gravity: MN00604 S010 Thomson Canal Dam 45 ft (14 m) 3,500 ft (1,100 m) Embankment: MN83020 S011 Thomson Dam #1-1/2 10 ft (3.0 m) 90 ft (27 m) Embankment: MN83021 S001 Thomson Dam #2A, 2B
The Cotter Dam is a concrete gravity and rockfill embankment dam across the Cotter River, located in the Australian Capital Territory, Australia. Both the dam and river are named after early settler in the area Garrett Cotter. The impounded Cotter Reservoir is a supply source of potable water for the city of Canberra and its environs.