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CANAL FALLS

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•A drop (or fall) structure is a regulating structure which lowers the water level along

•The slope of a canal is usually milder than the terrain slope as a result of which the cits head works will soon outstrip the ground surface.

•In order to avoid excessive infilling the bed level of the downstream canal is lowere being connected by a suitable drop structure

•hen a canal crosses an area that has a larger natural surface slope, a canal drop or  provided suitably at certain intervals.

•A drop in a natural canal bed will not be stable and a masonry structure is constructethis drop. !uch a pucca structure is called a "anal #all.

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• The ancient people always tried to avoid falls by aligning canals along $ig%$ag route in order

the length of the canal and thus dissipate the excess energy head in friction.

• The &astern 'amuna "anal constructed by ughal &mperors had no falls, and the canal, foll

sinuous path.

• The falls were first constructed by the ritish in India in the nineteenth century.

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 TYPES OF FALLS

*gee #all

+apid #all

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SARDA TYPE FALL

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SARDA TYPE FALL

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