METHOD FOR CONSTRUCTION OF STOWING BARRICADE IN MINE WORKING Russian patent published in 2014 - IPC E21F15/02 E21F17/103 

FIELD: mining.

SUBSTANCE: method for construction of stowing barricade in mine working involves installation of cast slag blocks on each other throughout the section of the stowed mine working. As cast slag blocks there used are rectangular prisms of similar sizes with bases in the form of sharp-cornered isosceles triangles. Stowing barricade is constructed in horizontal layers, in each layer of which there installed are two rows of cast rectangular prisms; besides, prisms of the first row are laid with their smaller side faces to the stowing mass. Equal side faces of prisms of the first and the second rows are laid tightly to each other, and to smaller side faces of prisms of the second row there installed are anchor posts excluding movement of slag blocks under action of stowing mass.

EFFECT: improving stability of stowing barricade; reducing the time spent on construction of stowing barricade.

4 dwg