A weir or a barrage is the most important component of a head-works. Therefore it is necessary here to understand the principles on which a weir is designed. Following data is required to design a weir: (a) Design Flood Discharge: Maximum flood discharge data of the river recorded in past is collected. From it future […]
Design Principles for Weir | Canal Headwork | Irrigation Engineering
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Protection of Canal Bed: 6 Devices | Canals | Irrigation Engineering
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The canal bed is protected by adopting six main devices: 1. Water-Cushion 2. Baffle Wall 3. Biff Wall 4. Deflector 5. Staggered Blocks 6. Friction Block. Device # 1. Water-Cushion: When a water cushion is provided below the fall it serves two purposes. Firstly it reduces the intensity of impact of falling sheet of water. […]
Classification of Irrigation Projects: 5 Ways | Irrigation Engineering
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Irrigation projects can be classified in five ways: 1. Type of Flow 2. Function Served 3. Scope of Project 4. Purpose of the Project 5. Financial Returns. 1. Classification Based on Type of Flow: (a) Gravity canal system or flow irrigation system. (b) Pumped canal system or lift irrigation system. In gravity canal system irrigation […]