Lining of Irrigation Canals and Economics of Lining, the Review and Selection of Lining

Irrigation canals should be aligned and laid out, so that the velocity flow is uniform under all conditions, and the water reaches the irrigated area at an elevation sufficient to ensure desired distribution. Generally, two types of channel sections are adopted, triangular channel section for smaller discharges and trapezoids channel section for larger discharge. Selection of a particular type of lining, keeping in consideration the general requirements, as well as site specific