To achieve this goal, a set of modern research methods was used, including an analysis of literature sources, design documentation and the practice of mining iron ore deposits at great depths ...
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Multi-Attribute Decision-Making (MADM) methods can be useful approaches to select the appropriate drilling pattern among various alternatives, performed previously. This paper aims to select the...
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Rapid shaft development Cross passage blasting Sulphide dust reduction Minimise fume Secondary blasting Rapid development in block and cave mine Nitrate control in groundwater Improve fragmentation flow and ore recovery Shaft, raise and slot blasting Hot and / or reactive ground Restricted access blasting Storage and handling of explosives
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In total cost of mining production, drilling ... [Show full abstract] and blasting operations in iron ore open pits have 30% of wastes and more. At the same time, storaging, transportation and use ...
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Extraction stages include drilling operations, blasting, loading and hauling [13]. Hole drilling is done by rotary and percussion machinery in different diameter (165, 200 and 251 mm). In these mines, blast holes are controlled in ANFO (in dry conditions) and Emulite (for aqueous conditions) as the main explosive, and the detonating cord and ...
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* Volume, surface and drill metres are measured as workloads of each mining job at excavating, blasting and drilling stages. Kozan and Liu Open-pit multi-stage mine production 50 Mining Technology ...
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Blasting is a critical process in mining that breaks down rock formations, enabling efficient material removal. It involves strategically placing explosives within drill holes to fragment rock into manageable sizes for …
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In any mining project, drilling and blasting are the first basic operations that are part of an integrated system and impact the results of subsequent operations in productivity and costs. The main objective of fragmentation with explosives is to make the operation as low cost as possible and at the same time keep the technical details in ...
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The new technology of drilling-and-blasting operations using eco-friendly emulsion explosives during ore deposits mining by means of square-chamber system is proposed.
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The document provides details about the Bailadila Iron Ore Mines located in Kirandul, India. ... Through drilling, we create BLAST HOLES of depth around 14mtrs on the bench of 12mtrs.The number of blast holes depends upon the nature of Strata.If strata is loose then less number of holes are required but for harder surface,more numbers of blast ...
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The above relation was selected for designing and optimizing the blasting pattern. In the used and designed pattern for the southern mass of iron ore mine and according to the Konya [15] empirical relation, the values of burden and spacing are respectively 3.7 m and 4.2 m and the ratio of burden to spacing is 1.15. The results of using this blasting pattern show that the muck …
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The experience of blasting with 311 mm diameter holes on 14 m high benches at Kudremukh Iron Ore Project has revealed that expanded drillhole patterns have a tendency to crater. Drilling holes too close was not feasible as the drilling cost and powder factor increased. The larger diameter holes also resulted in higher consumption of explosives.
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Extraction operation of iron ore in the studied mines are done by opencast mining. Extraction stages include drilling operations, blasting, loading and hauling [13]. Hole drilling is done by rotary and percussion machinery in different diameter (165, 200 and 251 mm). In these mines, blast holes are controlled in ANFO (in dry conditions) and ...
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Drilling and blasting play vital roles in opencast mining. These operations not only affect the cost of production directly but as well and significantly, the overall operational costs.
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Drilling and blasting pattern; Sangan Iron Ore Mine; AHP; TOPSIS; PROMETHEE 1. Introduction Drilling and blasting play a vital role in mining pro-jects. The quality of the blasting operation and subse-quently, the adequate rock fragmentation are effective parameters that have a considerable effect on the mine productivity (Shi et al. 2012 ...
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Sublevel stoping is the most popular and practiced mining method in underground hard rock mines. Proper planning and its execution is the key requirement for stope extraction using this method. The stope extraction has been a challenging task since decades. The major reason is the unavailability of free faces as compared to opencast bench blasting. The …
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Mining drilling machine working at open pit in a cloud of dust for blasting activities. Save. Excavator machine profiling slopes and bench in open pit mine. ... Aerial view of the Iron ore mining, Panorama of an open-cast mine extracting iron ore, preparing for blasting in a quarry mining iron ore, Explosive works on open pit. Save. indonesia ...
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Drilling and blasting works during a highway / road construction project. Save. ... Aerial view of the Iron ore mining, Panorama of an open-cast mine extracting iron ore, preparing for blasting in a quarry mining iron ore, Explosive works on open pit. Save.
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Mine Blasting and Digging: Accelerating Performance with Next-Gen Technology. To stay competitive, mines must leverage leading-edge solutions across drilling, blasting, digging, and …
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Application of Measurement While Drilling Data for Mine Blast Optimization Utilizing Machine Learning Techniques with Iron Ore Mine Data Joshua Ryan Arnold Abstract Drilling and blasting procedures are a critical part of mine planning activities and improvements in this stage can lead to better productivity downstream and lower costs. One
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The estimated total drill and blast cost savings if the proposed blast parameters were adopted ranged from 5.3 to 12.2 % for ore zones and 2.9 to 14.8 % for waste zones. Total Cost per BCM of ...
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Extraction operation of iron ore in the studied mines are done by opencast mining. Extraction stages include drilling operations, blasting, loading and hauling [13] . Hole drilling is …
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The average blast-hole-drilling rate of a drill is 50 m/h at this mine site. At blasting stage, the critical resource type is mobile processing unit (MPU) with two units. Due to the safety requirements for subsequent marking the blasted blocks, this mine site does not allow personnel or equipment on a blast about 12 h.
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The mines rely on BlastLogic to control safety at adjacent underground operations by checking and modelling vibration based on blast design. Also in WA, an iron ore mine and a gold operation both ...
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Mining iron ore typically involves finding a fertile site, drilling and blasting the ore, and then transporting it to the primary crusher for processing. Crushed ore is sorted over screens and resized to different specifications (lump and refined products).
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Ring drilling and blasting is done from a series of sub level drill drifts developed in the ore body. The drill pattern is designed to cover off the …
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drilling and blasting of taconite ore in place and is fol ... Blasting at Mesabi Iron Range taconite mines involves the use of water gel explosives and blasting agents and. T-2358 ANFO (ammonium nitrate-fuel oil). Water gels are sold by explosives manufacturers to mining companies, whereas ANFO
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This paper presents an approach to improve overall blasting efficiency in an iron ore mine. The problems existing in the mines were oversize fragmentation, severe backbreak, …
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At their Australian iron ore mine, Roy Hill monitors excavator hydraulic and telemetry sensor data on an analytics platform. It provides insights to optimize motion, speed, and trajectory. ... Discover what is the process of drilling and blasting mining, operation optimization, technology-driven sustainability, and more. Moreover, get leading ...
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The wide holes in the ground created by drilling, blasting, and ore removal are referred to as 'open pits'. Following blasting, the fractured ore is known as run of mine (ROM) ore. ROM ore is loaded by huge electrical …
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