Accurate identification and assessment of risks is important in mining sector. • Open pit mining that seems reliable also contains a number of hazards within itself. • …Web
ادامه مطلبRamazan S, Dimitrakopoulos R (2013) Production scheduling with uncertain supply: A new solution to the open pit mining problem. Optim Eng 14:361–380. CrossRef Google Scholar Ravenscroft PJ (1992) Risk analysis for mine scheduling by conditional simulation. Trans Inst Min Metall Sect A Min Technol 101:104–108Web
ادامه مطلب... Moreover, in the analyzed thematic group, the problem of geological uncertainty was identified. In work [50], the authors proposed a new systematic framework to quantify the risk of...Web
ادامه مطلبWith the growth in demand for mineral resources and the increase in open-pit mine safety and production accidents, the intelligent monitoring of open-pit mine safety and production is becoming more and more important. In this paper, we elaborate on the idea of combining the technologies of photogrammetry and camera sensor networks to make full …Web
ادامه مطلب2 High-Tech Research Center for Open Pit Mines, China University of Mining and Technology, Xuzhou 221116, China 3 Haerwusu Open-Pit ... including descriptive analysis, Pearson's correlation coefficient, principal component analysis (PCA), and regression modeling, were ... 10 m, 2.5 m, and 1 m pose a major risk to human health [28]. Particles ...Web
ادامه مطلبGuidelines for Open Pit Slope Design is a comprehensive account of the open pit slope design process. Created as an outcome of the Large Open Pit (LOP) project, an international research and technology transfer project on rock slope stability in open pit mines, this book provides an up-to-date compendium of knowledge of the slope design …Web
ادامه مطلبThe design of open-pit mines should balance safety and economy. However, safe geotechnical conditions generally involve redesigning the geometry of slopes and groundwater drawdown, significantly increasing the costs of mining operations. The use of numerical models to simulate groundwater drawdown and slope stability can be an …Web
ادامه مطلبThe objectives of this handbook are: To protect workers in small-scale surface (open-pit) mines fro m safety and health hazards and risks in their work. To prevent or reduce the incidence and severity of illness and injury in small-scale surface mines. To promote training and consultation in improving safety and health in small-scale surface mines.Web
ادامه مطلبoptimization an d simpli fi ed geotechn ical risk analysis for large open pit excav ations, 103 (July), 153 ... In open pit mining, the complexity of operations, coupled with a highly uncertain ...Web
ادامه مطلبThe road layout in open-pit mines was optimized by using raster-based least-cost path analysis, and the resulting zigzag road sections were simplified by applying the Douglas-Peucker algorithm.Web
ادامه مطلبCheck pit designs and inspect open pit. Refer to MSIR 13.8(2)(c) 1.15 A justifiable design criteria exists for mining in close proximity to surface water drainage paths and open pit sumps where underground workings exist Intent: To verify that the mine has adequately considered the hazard of working near large bodies of water or fluidWeb
ادامه مطلبA risk checklist is necessary to understand open-pit mining operations and to improve safety. Several risk issues regarding …Web
ادامه مطلبThe current techniques used for monitoring the blasting process in open pit mines are manual, intermittent and inefficient and can expose technical manpower to hazardous conditions. This study presents the application of unmanned aerial vehicle (UAV) systems for monitoring and improving the blasting process in open pit mines. Field experiments …Web
ادامه مطلبAuthored by: Rocscience Inc. Surface mining, whether you call it open pit, opencast, or open cut is a common method of extracting minerals like coal, iron, gold, and copper from shallow depths below the ground. Slope stability analysis for mining projects has evolved over the years, from basic kinematic and 2D limit equilibrium analysis to 3D ...Web
ادامه مطلبCPLEX User ' s Manual, Version 12 Release 6. International Business ... new solution to the open pit mining problem. ... Ravenscroft, P.J., 1992. Risk analysis for mine scheduling by conditional ...Web
ادامه مطلبOpen-cut coal mining accounts for approximately 77% of coal production in Australia. Currently, approximately 100 million tonnes a year of coal is produced from 30 longwall mines operating in New South Wales and Queensland. ... geotechnical design manuals and programs (software and calculators), (4) geotechnical design reports, (5) …Web
ادامه مطلبAbstract. Current industry practice aims to develop mine designs with a fixed system configuration for a single set of inputs; without regard for uncertainty. Uncertainty is a key element of mining which causes variability in the inputs to the decision making process. Various sources of uncertainty exist in mining projects which may stem from ...Web
ادامه مطلبDownload scientific diagram | Risk checklist for open-pit mining operations from publication: Evaluation and Risk Analysis of Open-Pit Mining OperationsBeurteilung und...Web
ادامه مطلبAbstract and Figures. To avoid over-tailing and limit the risk of failure in open-pit mines, choosing an ideal and stable slope is critical. The major goal of this study was to provide a stable ...Web
ادامه مطلبanalysis system – User manual Version 4.1. Dorren, L.K.A. 2003. ... such as road cuts or open-pit mining and quarrying ... rockfall risk reduction can represent one of the most significant ...Web
ادامه مطلبThe problems of mining in British Columbia (Canada) open pits over three decades under various mining conditions were discussed. The case histories of slope instability with analysis of their ...Web
ادامه مطلبDimitrakopoulos (2004) present a risk-based approach for the long-term production in an open-pit mine, in which a model is developed by considering orebody uncertainty, waste management and ...Web
ادامه مطلبThe assessment of the mining hazard level is based on a qualitative assessment of factors related to the triggering of the dangerous phenomena, such as …Web
ادامه مطلبAs an important way to obtain mineral resources, open-pit mining has accounted for about 77% of the total production of the mined iron ore, and about 52% of the total production of non-ferrous ore, indicating huge development potential. With the continuous development of open-pit mines to deep and large-scale directions, the …Web
ادامه مطلبIn open pit mining it is possible to prevent industrial accidents and the results of industrial accidents such as deaths, physical disabilities and financial loss by implementing risk analyses in ...Web
ادامه مطلبControlling rockfall-related risks is a requirement for safe pit operations and primarily mitigated through adequate bench geometry design and implementation. This paper presents a method for rockfall hazard analysis for in-pit operations potentially impacting external sensible areas, adapted from natural rockfall hazard analyses. The …Web
ادامه مطلبThe overall safety environment risk evaluation matter-element model based on the Fuzzy analytical hierarchy process (FAHP) and extenics theory settled under the practical situation of the engineering, providing a good decision-making basis for the safe production and management work of gold mine. In order to timely find out the safety …Web
ادامه مطلبRisk Assessment in the Open Pit Mining Industry—A Short Review. It was verified that the risk assessment methods specifically addressed to the extractive industry were …Web
ادامه مطلبMining is an obvious cause of deforestation. It can destroy landscapes, forests, and wildlife habitats, which can lead to soil erosion. Large-scale mining operations, especially those using open-pit mining techniques, can result in significant deforestation through forest clearance and the construction of mining facilities and roads.Web
ادامه مطلبStrategic mine planning for open pits has now evolved to the simultaneous optimization of a number of decisions and this leads to the consideration of additional solutions, with the potential to add value to planning and reduce manual data transfer time. Unlike previous efforts, this paper outlines a method for simultaneously optimizing …Web
ادامه مطلبAbstract. This article presents cost models for open pit mines, which takes into account cost uncertainty. In this paper, cost uncertainty is considered as cost of under production, and cost of ...Web
ادامه مطلبOpen pit mining excavates the earth surface in order to reach the underlying valuable ore. Planning of an open pit is a matter of determining the most profitable pit limit and the most economical mining sequence for a given mineralization (Steffen 1970).During the exploitation phase, the excavation sequence implies the development of artificial …Web
ادامه مطلبThis work aimed to identify risk assessment methods specifically used in the open pit mining industry. The research of information was based on the PRISMA methodology, where 12 databases with the appropriate keywords were searched. A total of 38,594 articles were obtained, and 42 were selected after the sorting process.Web
ادامه مطلب3. Area of the open pit, (km²): open pit area inside the crest contour line. 102 . 4. Crest length (m): the length of the open pit crest at the time of the slope failure. 103 5. Length of the mine (m): the length of the equivalent rectangle within which the open pit 104 . plan view would fit at the time of the slope failure. 105 6.Web
ادامه مطلبHaulage costs as the main part of oil sands truck-and-shovel operations costs contribute for over 50% of open pit mining costs [1,2,3,4], which shows the importance of haulage system efficiency in overall profitability of open pit mining operations.Determining the right size of the haulage fleet will optimize the overall fleet …Web
ادامه مطلبThe risk analysis methodology for assessing pit lakes consists of three distinct phases (Fig. 2): the informative phase (Step 1), the assessment phase (Step 2), and the risk management phase (Step 3).Evaluating the mining hazard and associated risks throughout the entire lifecycle of open-pit mining operations, from initial stages to …Web
ادامه مطلبIn addition, using spatial analysis, coal fire risk maps were generated by considering the presence or absence of mining activity, access to air, and pr opensity of the coal. Choi et al. [Web
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