建立了Pinyazevytsky花岗岩矿床开采系统的最佳参数

B. Sobko, V. Kriachek
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On the basis of the mining and geometric analysis of the quarry field, the average exploitation ratio of the overburden on the deposit was 0.07 m3/m3. Based on the calculations, the following parameters of the field development system elements are determined in the work: the minimum width of the working platform during the development of rock and dead-end dump truck turning is 27 m, and when the dump truck turns in a circle – 34 m; the width of the working area when working with rock and using the EKG-5A excavator is 51 m. The calculated maximum permissible height and slope angles of the ledges are: height of the ledge 15 m; the slope angle of the working ledge is 80°; the angle of stable slope is 75°. The width of the working area during the development of loose excavated rocks is calculated using the Volvo EC-240 excavator and is 39 m with ledges 5 m high. Originality. 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摘要

目的。对Pinyazevytsky花岗岩矿床的赋存状态、发展现状和采矿地质特征进行了分析,并建立了最佳开采参数体系要素。方法。研究中采用了采石场开采条件的分析、统计、图形分析、实验研究、技术经济分析和预测等方法。发现。通过研究,分析了该矿床的赋存和地质特征及发展现状,对Pynyazevytskyi花岗岩矿床的开采系统进行了分析,并确定了其最佳开采参数。矿物的平均厚度为100.3 m。根据采石场的开采和几何分析,该矿床上覆岩的平均开采比为0.07 m3/m3。根据计算,在工作中确定了现场开发系统要素的以下参数:自卸车转弯时,开发岩石和死端时,工作平台的最小宽度为27 m,自卸车转弯时,最小宽度为34 m;使用EKG-5A挖掘机进行岩石作业时,作业区域宽度为51 m。计算出岩架的最大允许高度和坡度角为:岩架高度15米;工作台架坡度角为80°;稳定坡角为75°。采用沃尔沃EC-240挖掘机计算松散开挖岩石开发过程中工作区域的宽度,为39米,壁架高5米。创意。对Pynyazevitskyi花岗岩矿床发育现状及特点进行了分析,确定了工业矿床露天开采采矿系统要素的最佳参数。实用价值。研究结果为建立对矿床开采有重大影响的矿山企业的特征特征以及为生产集料的工业原料的开采建立采矿系统要素的最优参数提供了可能。
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Establish of the optimum parameters of the Pinyazevytsky granite deposit mining system
Purpose. To conduct an analysis of the mining and geological features of the occurrence, the current state of development and the establishment of optimum parameters of the Pinyazevytsky granite deposit mining system elements. Methodology. Analytical, statistical, grapho-analytical, experimental research in the conditions of operating quarries, technical and economic analysis and forecasting were used during the research. Findings. The conducted research made it possible to analyze the mining and geological features of the occurrence and the current state of development, the analysis of the Pynyazevytskyi granite deposit mining system was carried out and their optimal parameters were substantiated.The average thickness of the mineral is 100.3 m. On the basis of the mining and geometric analysis of the quarry field, the average exploitation ratio of the overburden on the deposit was 0.07 m3/m3. Based on the calculations, the following parameters of the field development system elements are determined in the work: the minimum width of the working platform during the development of rock and dead-end dump truck turning is 27 m, and when the dump truck turns in a circle – 34 m; the width of the working area when working with rock and using the EKG-5A excavator is 51 m. The calculated maximum permissible height and slope angles of the ledges are: height of the ledge 15 m; the slope angle of the working ledge is 80°; the angle of stable slope is 75°. The width of the working area during the development of loose excavated rocks is calculated using the Volvo EC-240 excavator and is 39 m with ledges 5 m high. Originality. Conducted an analysis of the current state and features of the Pynyazevitskyi granite deposit development, substantiating the optimum parameters of the mining system elements for the open-pit mining of industrial mineral deposits. Practical value. The results of the research made it possible to establish the characteristic features of the mining enterprise, which significantly affect the mining of mineral deposit and the establishment of optimum parameters of the mining system elements for the mining of industrial raw materials for the production of aggregates.
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