METHOD OF WORKING OF OPENCAST WORKING FLANK DURING PERIOD OF ITS RECONSTRUCTION Russian patent published in 2002 - IPC

FIELD: opencast mineral mining; applicable in opencast worked by benches during technical reequipment and reconstruction. SUBSTANCE: method includes stopping of all mining operations on even benches when counting from below and equipment is withdrawn; working of odd benches up to their complete reclamation and formation of doubled benches with increasing height of benches more than width of their working platforms; working of doubled benches. The method makes it possible not to stop mining operations during reconstruction of working flank and to replace excavation equipment with more effective one. EFFECT: higher efficiency. 3 cl, 1 dwg