METHOD FOR HANDLING OVERBURDEN EARTH Russian patent published in 1998 - IPC

FIELD: mining industry. SUBSTANCE: this can be used at opencast development of mineral deposits with internal earth dumping. Method is aimed at reducing expenditure of handling earth by way of increasing degree of its natural drying in workings and reducing movements of equipment within them. According to method, made from single positioning site of equipment are radial workings extending through upper area of slope, across slope and its base, and their sections with rising bottom are worked together with ground of lower approach, and after disposition of equipment, aforesaid operations are repeated. EFFECT: higher efficiency. 3 dwg