STONE DAM WITH INNER IMPERVIOUS SCREEN MADE OF SOIL-CEMENT-CONCRETE Russian patent published in 2014 - IPC E02B7/06 

FIELD: construction.

SUBSTANCE: stone dam contains impervious element in the form of soil-cement-concrete screen covered with film. The screen is recessed under the upstream face of the dam. It is designed as an inclined plate, leaned via the inclined sliding seal on the concrete prism. Near the bottom border of the soil-cement-concrete screen there are galleries. They are located every 20-40 m of height and serve to control the status of the screen and for its repair. Reinforced concrete gallery for cementation of rock base is arranged on the contact of concrete prism with rocky foundation.

EFFECT: increase of reliability of impervious element, ability of dam work in the conditions of extreme low temperatures, dam repair without draining the storage reservoir.

1 dwg