ESTIMATION OF EFFICIENCY OF IMPERVIOUS SCREEN AT THE DON MAIN CHANNEL
The article gives an evaluation of the effi ciency of the Don main canal impervious screen, fi eld observation on the canal section before and after reconstruction are carried out. To estimate the eff ectiveness of the impervious measure, comparative calculations are carried out for the canal section before the reconstruction (in the earthen channel) and after it (with facing from geocomposite bentonite mats), conclusions are drawn and recommendations for channel operation are made.