Siphon Aqueduct On Road

The siphon aqueduct, the bed of the drainage is depressed below the bottom level of the canal through by providing a sloping apron on both sides of the crossing.

-The sloping apron maybe constructed by stone pitching or cement concrete.

-The section of the drainage below the canal is constructed with cement concrete in the form of a tunnel. This tunnel acts like a siphon.

-Cut off walls is provided on both sides of the apron to prevent scouring.

-Boulder pitching should be provided on the upstream and downstream of the cutoff walls.

-The other components like canal through, piers, inspection road, etc. should be designed according to the methods adopted in the case of an
aqueduct.