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Above the head of the reservoir natural conditions prevail; below it the water level above the riverbed has been raised by the impoundment and its flow rate reduced, unless and until banks, barrages, weir sluices or dams are overcome (overtopped), whereby a less frictional than natural course will exist (mid-level and surface rather than bed ...
The weir is a 6 metres (20 ft) high and 57 metres (187 ft) long concrete Gravity type dam. Water from the weir is directed through a channel which is 790 meter in length to a forebay tank. From there the weter is taken to Poozhithode Power station using a penstock pipe which is 125 meter long and 1.5 meter in diameter.
In 1955, a full barrage was constructed at Madhopur after the original weir of the Madhopur headwork got damaged in a flood. [1] Over the next two years, a Madhopur–Beas Link canal was also added, to link the Ravi waters to the Beas River via the Chaki nalla .
The broad crested weir at the Thorp grist mill in Thorp, Washington, US. Commonly, weirs are used to prevent flooding, measure water discharge, and help render rivers more navigable by boat. In some locations, the terms dam and weir are synonymous, but normally there is a clear distinction made between the structures. Usually, a dam is designed ...
A barrage dam can be used to divert water for irrigation needs or limit the amount of water downstream. In most cases, a barrage dam is built near the mouth of the river. The site of dam construction needs to be thoroughly investigated to ensure that the foundation is strong enough to support the dam and has low possibility of failing. [2]
The Lower Chenab Canal originates from the Barrage carrying about 11,600 cusecs of water. The weir originally was a shuttered type weir comprising 8 spans of 500 ft each and was first one in Punjab which was built upon alluvial soil. The weir got repeatedly damaged in portions and had to be remodeled extensively during 1919-1920 and 1933–1935.
The Bhimgoda Barrage, also referred to as the Bhimgoda Weir or Bhimgoda Head Works, is a barrage on the Ganges River at Har ki Pauri near Haridwar in Haridwar district, Uttarakhand, India. Built as the headworks of the Upper Ganges Canal , an initial barrage was completed by 1854 and replaced twice; the final one completed in 1983.
The Okhla barrage (Okhla Weir and Okhla bridge) [2] is a 791 meters [1] or roughly 800-yard long weir across Yamuna River opened in 1874. It also serves as the location of Okhla Bird Sanctuary today.