In this article we will discuss about the layout of a canal system. When a canal takes off from headwork’s it carries maximum discharge. As it traverses the land it goes on satisfying the water needs. Thus the discharge of the canal goes on reducing as it proceeds further in the irrigable area. Naturally when […]
Layout of a Canal System | Canals | Canal Irrigation | Irrigation
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Design Principles for Weir | Canal Headwork | Irrigation Engineering
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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 […]
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. […]