By Carsten Drebenstedt (auth.), Carsten Drebenstedt, Raj Singhal (eds.)
This edited quantity comprises all papers offered on the twenty second foreign convention on Mine making plans and kit choice (MPES), Dresden, Germany, 2013. Mineral assets are wanted for the majority techniques of contemporary existence, when the mining is dealing with strict standards concerning potency and sustainability. The study papers during this quantity care for the most recent advancements and examine leads to the fields of mining, equipment, automatization and atmosphere protection.
Read or Download Mine Planning and Equipment Selection: Proceedings of the 22nd MPES Conference, Dresden, Germany, 14th – 19th October 2013 PDF
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Extra resources for Mine Planning and Equipment Selection: Proceedings of the 22nd MPES Conference, Dresden, Germany, 14th – 19th October 2013
Comparison of methods in theoretical analysis of thermal insulation for underground tunnels. : Theoretical study on cylindrical models of heat flow and thermo-elastic stress in underground tunnels. C. INVESTTEK, Moscow, Russia Abstract. An open-pit deposit block model serves the basis for a performance analysis of resource-saving technologies used in deep horizons. Indicators of various technological solutions are determined based on a complex dynamic system of mining performance evaluation. To determine life cycle limits of individual engineering solutions in modeling an open-pit mine development, a criterion is needed to characterize the remaining life cycle of the facility under consideration at any given moment in time.
The general tendencies are: - Than higher the extraction (recovery) rate of valuable components, than higher the income and then higher the direct costs because of additional measures the profits (economic zone) reaches an maximum in moderate extraction level considering the indirect cost, the profit reduces (ecological zone) Fig. 2 Alternative Mining Approach The main characteristics of the alternative mining approach are (formula 2, fig. 4): - Increase of extraction level of main product/reduce losses Use of byproducts and accompanying products/reduce residuals Use of environmental clean production methods Fulfill all reclamation responsibilities like integrated part of mining Consideration and reduction of indirect costs Long term production/Past investments for new deposits (Moderate) Profit PA = Income IA – Direct Costs CDA – Indirect Costs CIA (2) The Responsible Mining Concept 13 Fig.
1 Modern Situation Nowadays mining operations under water-bearing bed on kimberlitic tube "Internationalnaya" are conducted (fig. 1), works are carried out by the open and underground ways in parallel. The ore body is presented by a sub vertical tube of the oval form executed by diamond bearing kimberlitic rocks. They are monotonous on structure and consist on 93 % from porphyritic kimberlites and autolithic kimberlitic breccias, with kimberlitic massive columns of non-changed structure among them (7%).