Pshenychnyi V. Optimization of parameters and regimes of temporal internal waste dumps formation in mining steep deposits.

The dissertation is dedicated to solving an actual scientific task of optimization parameters and regimes of temporal internal waste dumps formation in mining steep deposits. In dissertation it was determined the dependence of volume temporal internal dump to depth of beginning of formation internal dump. It was determined, that using the technology of temporal internal waste dump formation allows to increase final depth of open pit on 4,1-24,7 %. It was developed methods of open pit mining steep and trough deposits by using draglines for the re-excavation waste rocks of internal waste dump. Expected economic benefit in open pit mining of Hannivskyi open pit by the offered technique is 4,031 million UAH. Industry - Mining (technical sciences).