Silt control at head regulator

SILT CONTROL AT HEAD REGULATOR Excess silt entering into the main canal has to be prevented by all the possible means. If excess silt gets to enter the main canal, it will cause silting of the whole canal system and ultimately. The capacity of the canal will be reduce. The silt entry into the main canal from a river can be controlled by the following measures. Divide wall in the river creates a quiet pocket behind the head regulator. The quiet pocket renders top layers of water silt free and only top layers of water are admitt into the canal. Provid raised crest for the head regulator. This measure automatically eliminates lower silt-laden layers of water.   Providing a wide head regulator also causes less entry of silt into the canal. The entry of water into the canal should be smooth. Smooth entry does not cause any disturbance and as…

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