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Continuous Rating for Diggability Assessment in Surface Mines

PDF | The rocks can be loosened either by drilling-blasting or direct excavation using powerful machines in opencast mining operations. The economics of... | Find, read and cite all the research ...

Diggability, a measure of dragline effectiveness and ...

 · Given the capital intensity of the dragline operation coupled with rising cost of explosives, the onus is on mine operators to make maximum use of explosives in blasting to assist dragline diggability. At a surface coal mine in South Africa, large boulders necessitating secondary breakage and in some cases completely unfragmented sections of a ...

(PDF) Risk Assessment of Surface Miner for Estonian Oil ...

Continuous mining and milling techniques for the hard rock industry are up to now limited through the hardness of rock material. The application limits for the future technique will be placed above the limits of bucket wheel excavating systems with a diggability of normal up …

Comparison of the efficiency evaluations of selected ...

 · Scoble MJ, Muftuoglu YV (1984) Derivation of a diggability index for surface mine equipment selection. Mining Science and Technology 1(4):305–322. Article Google Scholar Singh RN, Denby B, Eğretli D, Pathan AG (1986) Assessment of ground rippability in opencast mining operations. Univ. Nottingham Min. Depart.

Mining Engineering Faculty Research & Creative Works

Hydraulic shovel excavators are widely used as primary production equipment in surface mining for removing overburden and ore materials. Variability in material diggability, unstructured mining environments and limited space, effective machine operation, and machine logistics affect the performance of the hydraulic shovel excavators. A hydraulic shovel simulator is developed to simulate …

Surface Mining (Open Pit) | Gecko Geotechnics

Surface Mining (Open Pit) ... Understanding the mining method and operational constraints. Rigorous understanding of site geology and hydrogeology. Ground characterisation through statistical means. Identification and stability analysis of structural, mass and complex slope failure modes. ... Blastability and diggability assessments.

An investigation on the influence of depth of cut and ...

 · This paper describes the results of performance monitoring of electrical shovels in terms of depth of cut and blast performance on diggability. A field research programme has been undertaken at four different rock units of surface coal mines, namely …

WMS 456 Iphar Continuous Rating for Diggability …

 · Continuous Rating for Diggability Assessment in Surface Mines Melih IPHAR 1 1 Eskisehir Osmangazi University, Faculty of Engineering and Architecture Mining Engineering Department, Meselik Campus, Eskisehir-Turkey E-mail: [email protected] .tr Abstract. The rocks can be loosened either by drilling-blasting or direct excavation using

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 …

(PDF) Performance monitoring of electric cable shovels

Surface mining of oil sands in northern Alberta involves exposing the oil sands by stripping the. ... Diggability maps, based on how difficult the pattern was to excavate, will be an invaluable ...

Surface mining

Surface mining, including strip mining, open-pit mining and mountaintop removal mining, is a broad category of mining in which soil and rock overlying the mineral deposit (the overburden) are removed, in contrast to underground mining, in which the overlying rock is left in place, and the mineral is removed through shafts or tunnels.. Surface mining began in the mid-16th century [dubious ...

Performance monitoring of electric cable shovels

Surface mining of oil sands in northern Alberta involves exposing the oil sands by stripping the ... material diggability characteristics and a combination of crowd voltage, crowd current and dig ...

Bucketwheel Excavator Diggability Assessment from Surface ...

Bucketwheel Excavator Diggability Assessment from Surface Refraction Seismic Profiling. Coal Mining Technologies » Surface Mining . Published: December 87 Project Number: 0670-C0740. Get Report Author: GJ O`Regan | Utah Development Co Ltd ...

(PDF) An expert system for hydraulic excavator and truck ...

The software overcomes the difficulties of selecting the proper equipment for surface mining operations, which is very important, and results in substantial savings. ... diggability, mining ...

Recognising a leader in mobile surface mining machine ...

 · In summary, Peck over the last 25 years has pioneered a number of technologies for mobile equipment in the surface mining industry. These developments continue to be the underlying technology for products in use today. The products have had a significant impact in reducing costs and increasing productivity in the global surface mining industry.

WMS 456 Iphar Continuous Rating for Diggability Assessment ...

 · Continuous Rating for Diggability Assessment in Surface Mines Melih IPHAR 1 1 Eskisehir Osmangazi University, Faculty of Engineering and Architecture Mining Engineering Department, Meselik Campus, Eskisehir-Turkey E-mail: [email protected] .tr Abstract. The rocks can be loosened either by drilling-blasting or direct excavation using

surface continous equipment

in surface continuous mining equipment for diggability . TENOVA Surface Miners. Surface Miner machines are the technology for extracting, crushing and loading material in one continuous process. This equipment is the ...

Concept of oc mine planning & design(final)

 · Mining Methods• Coal is mined by two main methods - Surface or ''opencast'' mining and underground mining.• The choice of method is largely determined by the depth,thickness and no. of coal seams, geology of the coal deposit and other factors. ... Contd., Additional Data required --Geo-technical data – diggability of materials, slope ...

Continuous surface mining (Conference) | ETDEWEB

A total of 77 papers were presented at the symposium. The following subjects were covered: 1) applications of continuous surface mining; 2) operational experience; 3) equipment and equipment selection; 4) modelling and simulation; 5) material diggability and related problems; 6) continuous selective mining; 7) cross-pit-systems; 8) material transportation and other aspects of continuous ...

Diggability assessment in open pit mines: a review ...

 · Read "Diggability assessment in open pit mines: a review, International Journal of Mining and Mineral Engineering" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

Assessment of blasting efficiency by seismic surveys and ...

 · In this paper, diggability assessment studies for an electrical rope shovel undertaken in a producing surface lignite mine is presented. For this purpose, a test bench is selected and shovel performance monitoring together with various surveys were carried out on this bench.

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.

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.

Break it Better

 · Break it Better – Mine Blast Fragmentation. Jack Eloranta of Eloranta & Associates stresses the importance of timing a blast properly. "It may take days or weeks to drill out a pattern and loading might take hours or days. But, the time span that really matters is the interval from the detonation of one hole to the time the adjacent hole fires.

An expert system for hydraulic excavator and truck ...

Surface mining is the most common method of mine production in the world. In surface mining, the required production is provided by ... diggability, mining, topsoil, pit water, topography, highwall and spoil piles stability, economy, coal seams, equipment and …

Equipment selection for high selective excavation surface ...

 · 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 24 516 750 10 0.3 ...

(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 ...

Development of an Expert System for the Prediction of the ...

Abstract. The performance of bucket-wheel excavators used for the selective mining of multiple-layered lignite deposits is mainly determined by the physical and mechanical properties of the excavated material (digability parameters), as well as by the thickness and the inclination of the excavated layer.

Blast optimization for improved dragline productivity ...

 · Given the capital intensity of the dragline operation coupled with rising cost of explosives, the onus is on mine operators to make maximum use of explosives in blasting to assist dragline diggability. At a surface coal mine in South Africa, large boulders necessitating secondary breakage and in some cases completely unfragmented sections of a ...

(PDF) Ground rippability classification by decision trees ...

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 equipment capabilities.

(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 equipment in surface mining and geotechnical engineering