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1. Canal Syphon

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This Photo by Unknown Author is licensed under CC BY-SA

3. Canal Syphon
A canal syphon (or Simply a syphon) is a structure in which the canal is taken
below the drainage and the canal water flows under symphonic action and there is no presence of
atmospheric pressure in the canal. It is thus the reverse of a syphon aqueduct.

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7. Function
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8. • When compared, super passage is more often preferred than canal Syphon because in
a canal Syphon, big disadvantage is that the canal water is under drainage trough so
any defective minerals or sediment deposited cannot be removed with ease like in the
case of a Syphon Aqueduct.
• Flooring of canal is depressed and ramp like structure is provided at upstream and
downstream to form syphonic action. This structure is a reverse of Syphon aqueduct.

9. • Canal Syphon

10. Cross Drainage Works Syphon
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12. CD Works -Canal Syphon
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13. CD Works -Canal Syphon
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