GRAVITY DAM WITH EXPANDED JOINTS Russian patent published in 2013 - IPC E02B7/10 

FIELD: construction.

SUBSTANCE: dam comprises dam sections with expanded joints, upper and lower heads forming a closed cavity with soil fill and air heating in it. The soil fill is made in the lower part of the cavity of expanded joints with adjacency of its comb to the upper head of the dam. The lower slope of soil fill does not reach the lower head of the dam. Between the lower slope of the soil fill and the bottom head of the dam there is a cavity, which, as the closed cavity with soil fill may be arranged with covers.

EFFECT: increased stability of a dam, improved stress train behaviour of a lower part of a dam and as a whole higher reliability of dam operation.

2 dwg