EARTH DAM Russian patent published in 2003 - IPC

FIELD: hydraulic engineering. SUBSTANCE: invention can be used at erection of dams from available materials under heavy climatic conditions and at reconstruction of heads of such dams. Gallery made in nonbulging head of dam and along the head following definite regulations from sectional reinforced concrete members is arranged on crest of barrier with formation on barrier a free surface section located higher than feet of brought out supports of side walls of gallery by definite value. Intersection seams in walls of gallery are sealed, angles between inner surfaces of walls and feet of their brought out supports are smoothed out, and top of side wall pointed to side of headpond rises over detachable deck. Gallery is furnished with heating device and heat isolating coating. Deck of gallery is made of members mated both with side walls and with each other for disconnection. EFFECT: provision of reliable functioning of earth dam at permafrost even at overflow of water over dam crest. 8 cl, 2 dwg