Filtration reliability and safety of earth-fill dam

The study of the reliability and safety constructed earth-fill dams comparison with their design calculated data makes it possible to improve structures methods calculation substantiation these structures. This work aims filtration dam Channel water reservoir Tuyamuyun hydroelectric complex (THC) on Amu Darya River, which was put into exploitation in 1984. Field studies were carried out according traditional method using results control measuring equipment (CME) embedded body dam. levels upper lower reaches, piezometers, drainage flow measured. maximum upstream 130.00 observed July-August November 2017, minimum 117.50 at end March. downstream depend value discharge through hydrosystem. level for 2017 112.55 m (01.06.2017) a rate 2000 3 /s. 109.15 29, when 260 A tendency an increase bottom found. Filling depletion graphs have been built, from is found that they reached 2.00 m/day, 1.60 respectively. 4 1.6 times more than standard 0.5 m/day 1.0 m/day. Of 53 34 are working conditions; rest do not work, require flushing. Graphs changes piezometers show change average 15-20 day delay reservoir. In general, natural depression curve below one. 63.3 l/s pool 129.00.