Lacy'S Silt Theory
Lacy'S Silt Theory
Lacy'S Silt Theory
● The lake of High Aswan dam excludes the silt from flowing
downstream, depriving the farmers of the rich soil they used to
receive along with the irrigation water, in addition to serious
problems of deep scouring of the foundations of hydraulic
structures located downstream of the dam.
Silt control in Irrigation Canals
● Here we will discuss various methods that have been adopted
to exclude and eject silt from canal or to distribute it in such a
manner that all the silt entering the canal passes on the fields
to add the fertility of the soil. There are four possible methods
● i) arranging the head works as to exclude the silt as much as
possible from the canal