| 摘要 |
FIELD: mining; may be used in stripping operations in development of coal, ore and other deposits, breakage of mineral both in underground and opencast mining. SUBSTANCE: method is distinguished by the fact that during stripping of overburden, ridges of rock are left above prepared rock, above blasting holes. Poured between ridges is loosening solution with consideration of geological occurrence of rock, and also, if required, ridges are distributed between blasting holes for pouring with solution. Considered also is method of drilling-off the thick mineral body. EFFECT: higher efficiency. 5 dwg |
