METHOD TO ERECT RESERVOIR FOUNDATION Russian patent published in 2011 - IPC E02D27/38 

FIELD: construction.

SUBSTANCE: method to erect reservoir foundation includes digging a pit, compaction of soil with rammers, arrangement of a soil cushion. The pit is dug by increasing depth in the central part, the first layer of the soil cushion is arranged and rammed. Then the first fragment of the foundation ring is installed, then the second layer of the soil cushion is laid with subsequent ramming, and a support slab is installed with thickness that increases to the centre and bevelled edges at the angle of 30-60° relative to the horizontal line. The second fragment of the foundation ring is installed so that the inner surface of the ring contacts the bevelled faces of the support slab, and further a hydrophobic layer is laid with thickness that is regulated by technical requirements, and the reservoir is installed.

EFFECT: levelling subsidence of reservoir bottoms and provision of their long-term operation.

8 dwg