Lined Canals and Their Design
Lined Canals and Their Design

Lined Canals and Their Design

INTRODUCTION Canal lining is a treatment given to the canal bed and banks, so as to render the canal section impervious. Since imperviousness of the canal section is achieved mostly by making canal section pucca. Either by cement concrete or bricks, the lined canals are also sometimes know pucca canals. Lined canals are mostly referred to as pucca canals. It has been estimated that seepage losses in irrigation canals. May amount from 30% to 50% of the water admitted in the canals at diversion headworks. This much loss of water in unlined channels cannot be afforded. As resources of water in India are limited in relation to irrigable area available. Hence in order to reduce or rather eliminate the seepage losses, lining of canals is the need of the hour. Advantages of Lining Following are the benefits of lined canals: Seepage losses are practically eliminated or reduced to minimum. Maintenance…

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