FIELD: mining. SUBSTANCE: method for opencast mining includes layer-by-layer breaking and moving rock bulk using BULLDOZER equipment, loading rock bulk in a hopper of transporting device and moving. Rock bulk is worked off along conveyor, the latter is moved in perpendicular direction with respect to bulldozer equipment movement. The bulldozer equipment has base machine, push frame with a blade installed on the machine, and conveyor. The blade is made in the form of two frontal sheets, with one shifted about another over the vertical and horizontal. The conveyor is flight and positioned between the frontal sheets. EFFECT: higher productivity. 2 cl, 5 dwg
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Authors
Dates
1997-04-20—Published
1994-05-11—Filed