Research Paper | Civil Engineering | India | Volume 10 Issue 10, October 2021
Design of a Concrete Gravity Dam for Flood Control in Brahmani River Basin
Dr. Ratnakar Swain, Payal Maharathi
Abstract: Flooding occurs when an extreme volume of water is carried by rivers, creeks and many other geographical features into areas where the water cannot be drained adequately. Floods causes extremely large numbers of fatalities in every country, but due to India?s extremely high population density and often under enforced development standards, a large amount of damages and many deaths which could be otherwise avoided, are allowed to happen. India witnesses flood due to excessive rain which then results in overflow of rivers, lakes which adds to cause large amounts of damage to people?s lives and property. Orissa is a land of rivers. The Mahanadi, the Kathjodi, the Brahmani, the Baitarani, the Subarnarekha and the Budhabalanga flow on the land of Orissa. These rivers are feed by rain water. So, during the rainy season, floods come in them. These rivers are in spate generally in the month of September. Floods in Odisha cause a great loss to her people. Crops worth corers of rupees are destroyed by flood. The sufferings of people are beyond imagination and beyond description. There are many methods to controlling the floods. The techniques are construction of dams, diversion canals, flood plains and ground water replenishment, river defenses, self-closing flood barrier, temporary perimeter barriers. We are choosing method of construction of dam. Many dams are associated reservoirs are designed completely or partially to aid in flood protection and control. Many large dams have flood-control reservations in which the level of a reservoir must be kept below a certain elevation before the onset off the rainy seasons to allow a certain amount of space in which flood water scan fill. Dam is built to control water through placement of a blockage of earth, rock and concrete across a stream or river. Dams are usually constructed to store water in a reservoir, which is then used for a variety of applications such as Irrigation and municipal water supplies .Here we considered 30yrs of rainfall for data .From which maximum discharge is calculated. Stage calculation is done from rating curve. By analyzing the 30 years data the height of the dam is calculated. Calculation of geometry of dam is done. All the required forces acting on dam are calculated. Then the stability analysis of the dam is done. At last the profile calculation of the spillway is done.
Keywords: Dam, Flood Control, Spillway
Edition: Volume 10 Issue 10, October 2021,
Pages: 323 - 349
How to Cite this Article?
Dr. Ratnakar Swain, Payal Maharathi, "Design of a Concrete Gravity Dam for Flood Control in Brahmani River Basin", International Journal of Science and Research (IJSR), https://www.ijsr.net/get_abstract.php?paper_id=SR211005195019, Volume 10 Issue 10, October 2021, 323 - 349
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