The following points highlight the two main devices used for measuring the flow of water in channels. The devices are: 1. Weirs 2. Flumes. Device # 1. Weirs: Weirs have been in use as discharge measuring devices in open channels since almost two centuries and are probably the most extensively used devices for measurement of […]
Measuring the Flow of Water in Channels | Irrigation | Agriculture
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Lining Used in Canals: 4 Types | Water | Irrigation | Agriculture
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In general, the following types of linings are generally used:- 1. Concrete Lining 2. Shotcrete Lining 3. Boulder Lining 4. Earth Linings. Type # 1. Concrete Lining: Cement concrete lining made from selected aggregate gives very satisfactory service. Despite the fact that they are frequently high in their initial cost, their long life and minimum […]
Longitudinal Section of Canals (With Diagram) | Irrigation | Agriculture
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In this article we will discuss about the longitudinal section of canals, with the help of suitable diagrams. The longitudinal slope of a canal therefore is also known or is adopted with reference to the available country slope. However, the slope of canal bed would generally be constant along certain distances, whereas the local ground […]