2021617 · The rock shapes were mostly angular and blocky. The Aitik mine utilized a mining method, where benches of 15 m were used. After blasting, the muck-pile height was approximately 18 m, due to the swell factor. Arbitrary rocks from a muck-pile were 3D-scanned with a Leica RTC 360, seen in Fig. 2.
view moreCorrespondence Analysis on Generalised Aggregated Lexical Table (CaGalt) FactoMineR-package. Multivariate Exploratory Data Analysis and Data Mining with R. condes. Continuous variable description. FAMD. Factor Analysis for Mixed Data. coeffRV. Calculate the RV coefficient and test its significance.
view moreFigure 1 presents the section view of a coal mining operation in Queensland. The company has acquired a Komatsu P&H 9020C dragline @ bucket capacity = 55m3, dumping radius = 98.5m, tub diameter = 22.3m and a projected cycle time = 55 seconds. Following key operational features are applicable to the dragline: The material properties in ...
view more201917 · Abstract and Figures Effective fleet management in surface mining is crucial to optimize the cost of surface mining. A complete method to determine the match factor for heterogeneous excavator ...
view more201741 · Abstract The residence of municipal solid waste within a landfill body results in a significant change of material properties. Experiences with the energetic utilisation of the burnable fractions from formerly landfilled waste are hardly documented, the influence of refuse derived fuels (RDF) from such materials on the performance of modern waste-to …
view more2024420 · The method proposed in this package are exploratory mutlivariate methods such as principal com-. ponent analysis, correspondence analysis or clustering. FactoMineR is a package for exploratory multivariate data analysis. The package Factoshiny gives an interface to use most of the functions of FactoMineR.
view more2019628 · The degree of machine utilisation in mining is influenced by a number of factors, including technical, organisational and mining/geological. These factors can come together in underground mine headings, resulting in a series of disruptions to the mining production process.
view moreIntroduction Traditionally, Mining organisations have focused on the key measures of Plant Availability and Utilisation to measure equipment performance. This paper sets out to demonstrate that these measures alone are insufficient to make informed decisions about equipment strategies. It also sets out to demonstrate that, in practice, there is one factor, …
view more2024426 · Large-scale closure of coal mines is required for China to achieve carbon neutrality. However, what this means for methane emissions, particularly for abandoned mine methane (AMM), is highly ...
view moreBased on over 30 years' experiences in design, production and service of crushing and s
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