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Sediment Removal from Durgapur Barrage Pond, West Bengal Using Physical Model Studies
Sedimentation is one of the most severe problem that affects reservoir`s efficiency. The storage capacity and consistency of the water supply of reservoirs is reducing due to sediment deposition. The successful management and operation of water resource projects are essential to maintain their functions. This technical paper presents the studies conducted for various alternatives of gate regulation for removal of silt from the Durgapur barrage pond was constructed across river Damodar at Durgapur, Bardhaman district, West Bengal. The capacity of barrage pond has substantially reduced due to siltation which has adversely affected the functioning of the barrage as balancing reservoir. Over the period, the barrage pond has got silted up and large sized shoals are formed upstream of the barrage. Model studies were conducted on a physical model constructed with geometrically similar scale of 1:80 at CWPRS, Pune. The observed velocities near shoals at different gate regulations are not effective in achieving complete flushing of shoals from the pond. The shoals have hardened over years and thick vegetation with grass, trees and bushes have grown on shoals. It is very difficult to disturb material in these shoals by using gate regulation alone. Project Authorities are recommended to go for other alternatives of removing silt from the barrage pond like construction of pilot channel and dredging of silt by using mechanical dredgers. These alternatives would be studied after practical considerations by the project authorities including any other alternatives also.
Sediment Removal from Durgapur Barrage Pond, West Bengal Using Physical Model Studies
Sedimentation is one of the most severe problem that affects reservoir`s efficiency. The storage capacity and consistency of the water supply of reservoirs is reducing due to sediment deposition. The successful management and operation of water resource projects are essential to maintain their functions. This technical paper presents the studies conducted for various alternatives of gate regulation for removal of silt from the Durgapur barrage pond was constructed across river Damodar at Durgapur, Bardhaman district, West Bengal. The capacity of barrage pond has substantially reduced due to siltation which has adversely affected the functioning of the barrage as balancing reservoir. Over the period, the barrage pond has got silted up and large sized shoals are formed upstream of the barrage. Model studies were conducted on a physical model constructed with geometrically similar scale of 1:80 at CWPRS, Pune. The observed velocities near shoals at different gate regulations are not effective in achieving complete flushing of shoals from the pond. The shoals have hardened over years and thick vegetation with grass, trees and bushes have grown on shoals. It is very difficult to disturb material in these shoals by using gate regulation alone. Project Authorities are recommended to go for other alternatives of removing silt from the barrage pond like construction of pilot channel and dredging of silt by using mechanical dredgers. These alternatives would be studied after practical considerations by the project authorities including any other alternatives also.
Sediment Removal from Durgapur Barrage Pond, West Bengal Using Physical Model Studies
Lecture Notes in Civil Engineering
Pandey, Manish (editor) / Umamahesh, N. V. (editor) / Ahmad, Z. (editor) / Oliveto, Giuseppe (editor) / Ambekar, Jotsana G. (author) / Raghuram Singh, B. (author) / Patil, R. G. (author)
International Conference on Hydraulics, Water Resources and Coastal Engineering ; 2023 ; Warangal, India
2025-01-14
13 pages
Article/Chapter (Book)
Electronic Resource
English
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