METHOD TO FORM WATER IMPERMEABLE REINFORCED CONCRETE SCREEN IN CRACKED WATERLOGGED ROCK MASSIFS Russian patent published in 2012 - IPC E02D19/18 F42D1/08 E02D5/20 

FIELD: construction.

SUBSTANCE: invention relates to mining and mining-chemical industry and may be used to fence and protect a cracked rock massif from possible penetration of liquid solutions beyond the borders of the created screen, and to form a strong fixed section, excluding its collapse. The method includes drilling of parallel rows of wells or boreholes, arrangement of explosive charges in them in a staggered order with air or water gaps, their simultaneous camouflage blasting and placement of steel reinforcement ropes in remaining wells or boreholes with further filling with cement mortar. To form a collapse zone, initiation is used, at the same time, according to mathematical formulas depending on mining-geological and mining-technical conditions of such types of works production, the radius of the collapse zone - r_col and charge length ℓ_C are identified. The length of the air gap is equal to the charge length.

EFFECT: method makes it possible to increase efficiency and safety of these types of works due to optimal distribution of wells or boreholes along a contour of a created screen for specific mining-geological and mining-technical conditions.

3 cl, 1 dwg