METHOD OF MINING A FACE WITH DRAGLINE BY TOP SCOOPING

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to mining industry and can be used in the design of mining open pits. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - raising u043fu0440u043eu0438u0437u0432u043eu0434u0438u0442u0435u043bu044cu043du0431u0441u0442u0438 u0434u0440u0430u0433u043bu0430u0439u043du0430 by u0443u0432u0435u043bu0438u0447u0435u043du0438u00a0 reliability l work by u0441u043du0438u0436u0435u043du0438u00a0 of breed developed in near zone u0440u0430u0441u0442u00a0u0436u043au0438 and locking bolts.dragline excavator installed on an inclined floor ledge ledge is vertical u0441u043bu043eu00a0u043cu0438 with part of the space. as u0441u043bu043eu00a0 by processing of space form the entire breed. the width of the u0446u0435u043bu0438u043au0430 u043fu043eu0434u0431u0438u0440u0430u0435u0442u0441u00a0 such that u043eu0431u0435u0441u043fu0435u0447u0438u0432u0430u043bu0441u00a0 free dumping rocks u0446u0435u043bu0438u043au0430 as u0441u043du00a0u0442u0438u00a0 transferring.prior to the practice of each u0441u043bu043eu00a0 below the ledge u043fu0440u043eu0432u043eu0434u00a0u0442 two foster u00a0u043cu044b. one u043fu0440u043eu0432u043eu0434u00a0u0442 along u0437u0430u0431u043eu00a0 ends, the second u043fu0435u0440u043fu0435u043du0434u0438u043au0443u043bu00a0u0440u043du043e repose first along the ledge. in the first u043eu0431u0440u0443u0448u0430u044eu0442 breed u0446u0435u043bu0438u043au0430, and second type prism u0432u043eu043bu043eu0447u0435u043du0438u00a0 u044cu043eu0432u0448u0430. formation of u00a0u043c as their u0437u0430u043fu043eu043bu043du0435u043du0438u00a0 u043eu0442u0433u0440u0443u0436u0430u0435u0442u0441u00a0 u0434u0440u0430u0433u043bu0430u0439u043du043eu043c lower u0447u0435u0440u043fu0430u043du0438u0435u043c. paragraph (l