D E R I V A T I O N of A Diggability Index For …
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Derivation of a diggability index for surface mine equipment …
The work was conducted in operating British surface coal mines and presents a technique for diggability assessment in that mining and geotechnical environment. A diggability index is proposed which consideres both ground conditions and excavating …
An application of fuzzy sets to the Diggability Index Rating …
DOI: 10.1016/J.IJRMMS.2005.07.003 Corpus ID: 109512737; An application of fuzzy sets to the Diggability Index Rating Method for surface mine equipment selection @article{Iphar2006AnAO, title={An application of fuzzy sets to the Diggability Index Rating Method for surface mine equipment selection}, author={Melih Iphar and R. M. Goktan}, …
Assessment of ease of excavation of surface mines
An empirical ground classification system for surface mines is presented. It is designed to provide a means for determining the ease of excavation, diggability, by mechanical excavators. The background and the methodology for determining this excavation index is introduced. This index, which is suitable for rock characterization …
-specifications of two generic rock masses and
In the field of underground and surface mining, offshore and onshore exploitation, hydrocarbon distribution, associations of circularity activities are required taking into account the protection ...
Prediction of digging performance in mining | Semantic …
Improved utilization of existing excavating equipment is seen achievable through predictive digging models, which involves theoretical and physical modelling of the digging process and its correlation with field observations of digging performance in a range of geological environments. ABSTRACT Improved utilization of existing excavating equipment is seen …
Derivation of a diggability index for surface mine …
This paper reports on research aimed at developing techniques to predict the influence of ground conditions on excavating equipment performance. The work was conducted in operating British surface coal mines and presents a technique for diggability assessment in that mining and geotechnical environment. A diggability index is proposed which …
SURFACE MINING Jonathan Peck low res
the worldwide surface mining industry. Peck is a leader in innovative technology, conceptual design and development with over 25 years of academic and entrepreneurial ... production and diggability monitoring, load weighing, health, and HPGPS guidance products for cable shovels in the mid-1990s.
Prediction of the Rock Mass Diggability Index by Using …
In surface mining and civil engineering projects, terms such as diggability, rippability, excavatability and boreability are widely used to assess rock mass excavation methods and required equipment. The rippability index was defined for assessing overburden loosening by rippers ( Inc. 1988 ).
Development of indicators for sustainable mine closure
Heidaigou Surface Coal Mine (HSCM) and Ha'erwusu Surface Coal Mine (HeSCM) were selected as a case study, where the optimum uncovered end-wall height and the mining width of RBbASM are determined ...
Applicability of Surface Miner in Open Cast …
to the Diggability Index Rating Method for surface mine equipment selection; International Journal of Rock Mechanics and Mining Sciences, Vol. 43, pp 253-266.
A New Method for Determining the Depth of Cut Using …
A. Ceylanoglu, "Performance monitoring of electrical power shovels for diggability assessment in surface coal mines," Ph. D. Thesis, in Mining Engineering, Middle East Technical University, Ankara (1991). ... and Y. V. Müftüoglu "Performance assessment of hydraulic and cable shovels," Int. J. of Surface Mining and Reclamation, 6 (1992).
Specific digging energy as a measure of diggability
@misc{etde_78884, title = {Specific digging energy as a measure of diggability} author = {Ceylanoglu, A, Karpuz, C, and Pasamehmetoglu, A G} abstractNote = {Performance monitoring of shovels is the common practice for diggability estimation. In this paper, the specific digging energy is proposed for the classification of diggability of …
Review of Cuttability Indices and A New Rockmass …
Ease of excavation or rippability, also called diggability or excavatibility, is a critical decision-making parameter in the selection of both the overburden removal method and the required equipment in surface mining and geotechnical engineering projects. The most widely used method of estimating rippability is rock mass classification.
Continuous Rating for Diggability Assessment in Surface Mines
Ease of excavation or rippability, also called diggability or excavatibility, is a critical decision-making parameter in the selection of both the overburden removal method and …
Material diggability assessment for BWE stripping of plains …
Abstract. Additional drilling and laboratory test data acquired from Highvale Mine, Alberta, over the last four years have permitted updated criteria for assessing overburden diggability by bucketwheel excavators to be formulated in terms of material compressive strength, cutting resistance and acoustic conductivity.
-Dir diggability classification and equipment …
The land underlying them is also rich in coal, and surface mines operated on more than 2.4 million acres in the region from 1977, when the federal Surface Mining Control and Reclamation Act was ...
diggability for surface mining
Jan 25, 2014· Equipment selection for high selective excavation surface coal mining Table I Determination of ease of digging and excavation method according to the diggability index rating method for B3 seam level at SLE Parameter and selection Rock formations in B3 level Coal Slightly 20 17 946 261 0 0.3–0.6 15 0.3–0.6 10 Slightly 20 24 ...
(PDF) Derivation of a diggability index for surface mine …
Mmmg Science and Technology, 1 (1984) 305-322 305 Elsevier Science Publishers B.V., Amsterdam - Printed in The Netherlands DERIVATION OF A DIGGABILITY INDEX FOR SURFACE MINE EQUIPMENT SELECTION M.J. Scoble Department of Mining & Metallurgical Engineering, McGill Universtty, Montreal (Canada) and Y.V. Muftuoglu …
Factors affecting the productivity of loaders in surface …
Variations in the diggability of the blasted rock [Singh and Narendrula(2006 ... There has been a long standing conflict in the surface mining industry as to the efficiency of the bucket wheel ...
Performance monitoring of electric cable shovels
A shovel performance monitoring study at an oil sands mine used current and voltage data from hoist, crowd and swing motors of P&H 4100 series electric cable shovels. The goal was to identify key shovel performance …
An application of fuzzy sets to the Diggability Index Rating …
Assessment of the most appropriate excavation method and related equipment plays an important role in the mining and civil engineering projects. Therefore, accurate methods of estimating the ease of excavation are required. For the past three decades, various empirical predictive methods have been proposed by a number of authors. Of these, rock …
Influence of Front Row Burden on Mining
The "V-type" shot pattern is also denoted as the chevron timing scheme and for further explanation on how timing and other blast parameters can affect your shot, look no further than the Office of Surface mining presentation. The improvement in blast results at all 3 sites clearly demonstrate the importance of the FRB in blast design.
Continuous Rating for Diggability Assessment in Surface …
Ease of excavation or rippability, also called diggability or excavatibility, is a critical decision-making parameter in the selection of both the overburden removal method and the required equipment in surface mining and geotechnical engineering projects. The most widely used method of estimating rippability is rock mass classification.
Assessment of ease of excavation of surface mines
An empirical ground classification system for surface mines is presented. It is designed to provide a means for determining the ease of excavation, diggability, by …
Key performance indicators for electric mining shovels
Jun 2008. S. Patnayak. Dwayne Tannant. Ian Parsons. J. Wong. View. Show abstract. Download Citation | Key performance indicators for electric mining shovels and oil sands diggability / | A thesis ...
Methods for Equipments Selection in Surface Mining; …
2. Equipment Selection in Surface Mining 2.1. Selecting Fleet Type For ore transportation at a surface mine, different fleets can be used. Shovel- truck and loader- truck are mostly utilized fleets, however; with respect to existing circumstances at the mine, equipments like dragline; bucket wheel excavator; in-pit crusher; and conveyer too could
A Study of Digging Productivity of an Electric Rope Shovel …
A performance monitoring study of an electric rope shovel operating in an open pit coal mine was conducted. As the mining industry moves toward higher productivity, profitability and predictability, the need for more reliable, productive and efficient mining shovels increases. Consequently, it is critical to study the productivity of …
An expert system for hydraulic excavator and truck selection …
The software overcomes the difficulties of selecting the proper equipment for surface mining operations, which is very important, and results in substantial savings. …
(PDF) Ground rippability classification by decision trees
Ease of excavation or rippability, also called diggability or excavatibility, is a critical decision-making parameter in the selection of both the overburden removal method and the required ...