manual for risk analysis of open pit mining

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Risk Management – Geomechanics Application for Open

2019-12-21  Risk assessment is defined in the Guidelines as the overall process of risk identification, analysis and evaluation. Risk assessment methods are typically categorized as qualitative, semi-quantitative and quantitative. ... Figure 2 - General methodology for managing geotechnical risk potential applied to open pit mining projects.

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Evaluation and Risk Analysis of Open-Pit Mining

2019-5-29  dump, and construction of dump. Open-pit mining opera-tionsharbour riskswhich can lead to project delays, opera-tion standstill, injury to personnel, damage to equipment, or negative impacts on the environment. Therefore, risk identification and prevention of risks is essential. Keywords: Bucket wheel excavator, Cutting resistance, Risk analysis

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Evaluation and Risk Analysis of Open-Pit Mining

2019-4-10  Mining of raw materials is a process that consists of several stages. In open-pit mining, material with high compressive strength is extracted by drilling and blasting and material with low compressive strength is extracted by e. g. a bucket wheel excavator. Most important influencing factors for crusher decision are compressive strength, moisture content, capacity of crusher, abrasiveness ...

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Paper: Geotechnical risk management for open pit mine ...

Abstract: De Beers is currently developing closure plans for two open pit mines. At first glance they appear quite similar; both are relatively remote, have operated for 10 years, have similar pit

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(PDF) Slope stability risk management in open pit mines

Abstract. The stability of slopes in open pit mines is an issue of great concern because of t he significant detrimental. consequences instabilities can have. To ensure the safe

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Risk assessment workbook for mines

2015-11-5  Risk Management Handbook for the Mining Industry).’ WRAC is a specific qualitative risk assessment method designed to be applied when an organisation wants to understand its risks and clearly identify the priority or highest risks in its operation. 5. Standards . Standards can be taken to mean Australian Standards, International Standards ...

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GEOTECHNICAL CONSIDERATIONS IN OPEN PIT MINES

2 天前  practice in open pit mines. The application of sound geotechnical engineering practice is considered to be an integral component of Part 2 of the Mines Safety and Inspection Act 1994 (MSIA). It is emphasised that this guideline is not totally inclusive of all factors concerning the application of geotechnical engineering in open pit mining.

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Guidelines for the assessment of geotechnical risks in ...

2021-8-13  This guidance material is seeking to increase the awareness of one particular area of risk in open pit mining and to encourage appropriate methods for identifying, quantifying and managing the risks. For further information on risk concepts, refer to AS/NZS ISO 31000:2009 Risk management

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Open-Pit Mine Planning and Design - University of Pretoria

2020-6-10  Open-Pit Mine Planning and Design Presented by the Department of Mining Engineering, University of Pretoria Course content The value chain incorporated into the course consists of: • Geological resource, drill samples, ore body models and block modelling • Pit optimisation • Physical pit design • Equipment optimisation and requirements

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Analysis of a slope failure in an open pit mine using ...

In 1996 a slope failure occurred at the Round Hill open pit mine, operated by Macraes Mining Company Ltd. The failure as shown in Figure 1, involved three benches at an intermediate slope that was being pushed back towards the final high wall location. Figure 1. Photograph of pit

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Paper: Geotechnical risk management for open pit mine ...

Abstract: De Beers is currently developing closure plans for two open pit mines. At first glance they appear quite similar; both are relatively remote, have operated for 10 years, have similar pit dimensions (250–300 m deep and 1.5 km wide) and have Palaeozoic

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Risk assessment workbook for mines

2015-11-5  Risk Management Handbook for the Mining Industry).’ WRAC is a specific qualitative risk assessment method designed to be applied when an organisation wants to understand its risks and clearly identify the priority or highest risks in its operation. 5. Standards . Standards can be taken to mean Australian Standards, International Standards ...

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Safety health in small-scale surface mines A handbook

2014-6-10  (open-pit mine) for the purpose of opening-up, proving or pro d u c i n g any mineral from a natural deposit. It includes all facilities belonging to or used in connection with the mine. Mining authority means a government institution that is responsible for all or any part of occupational safety and health in mining.

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ECONOMIC ASSESSMENT AND MINE PRODUCTION

Open-pit mining operations are long-term investments, and therefore, are subject to possible unexpected changes during the mine exploitation stage. This analysis is performed in order to appreciate the possible economic risks that could be generated on different economic and operational scenarios.

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RISK BASED EVALUATION OF MINE WASTE DUMPS -

2017-6-15  coal mining in the mountains is economic only by open pit mining which commonly progresses from the highest elevation downward. It is necessary to dispose of mine waste rock by end-dumping from the upper slopes of the mountains. In these circumstances the mine operators have accepted certain levels of risk. In general, the

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Guidance for carrying out risk assessment at surface ...

2019-12-5  2 Introduction This publication sets out basic advice for carrying out Risk Assessment at Surface Mining Operations. Surface mining operations are defined as activities undertaken during winning, transporting and processing of minerals mined from the surface. The steps to carry out the necessary risk

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MANAGING THE GEOTECHNICAL RISK ASSOCIATED

2006-3-22  The South African Institute of Mining and Metallurgy International Symposium on Stability of Rock Slopes in Open Pit Mining and Civil Engineering Dave Minney Gift Makusha _____ Page 301 MANAGING THE GEOTECHNICAL RISK ASSOCIATED WITH HIGH AND LOW WALLS AT ANGLO COAL’S OPEN PIT MINES. Gift Makusha Dave Minney Anglo Coal Limited SYNOPSIS

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1.1 PHASES OF A MINING PROJECT - Home ELAW

2019-2-4  1.1.3.1 Open-pit mining Open-pit mining is a type of strip mining in which the ore deposit extends very deep in the ground, necessitating the removal of layer upon layer of overburden and ore. In many cases, logging of trees and clear-cutting or burning of vegetation above the ore deposit may precede removal of the overburden. The

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Environmental Risks of Mining - Massachusetts Institute of ...

2012-12-11  Underground mining has the potential for tunnel collapses and land subsidence (Betournay, 2011). It involves large-scale movements of waste rock and vegetation, similar to open pit mining. Additionally, like most traditional forms of mining, underground mining

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Mining Engineering – Student Projects – UNI

Download. Medium-Term Underground Mining Design and Plan For a Narrow Mine Vein Applied in the Mining Unit ‘Las Palmas’, Cuzco, Peru. Download. Underground Mining Design and Planning: “Corani” Mine Project. Download. Open Pit Mining Design and Planning. Download. Student Projects. Projects Evaluation Matrix.

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Guidance for carrying out risk assessment at surface ...

2019-12-5  2 Introduction This publication sets out basic advice for carrying out Risk Assessment at Surface Mining Operations. Surface mining operations are defined as activities undertaken during winning, transporting and processing of minerals mined from the surface. The steps to carry out the necessary risk

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SLOPE STABILITY ANALYSIS FOR OPEN PITS 1

2018-9-21  of analysis and software ranging from limit equilibrium methods to more involved numerical analyses such as distinct elements, which can capture detailed geology and handle mixed failure modes. It is the aim of this article to present the common methods used in the design and analysis of the different components of the open pit wall design process.

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4. Risk Assessment and Risk Management of Mined Areas

2014-5-7  The process of manual mine clearance, as it relates to risk, is then discussed. This involves attention to: ¾the risk to the manual deminer; ¾how the risk compares to that faced by workers in other hazardous industries; and ¾how a risk management approach can help to reduce the risk to the manual

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RISK ASSESSMENT OF OPEN PIT SLOPE DESIGN AT PT

Risk assessment of open pit slope stability is an important aspect to be considered in a decision making of slope design. The risk of slope failure that occurred on the slopes of the mine affect two factors namely the failure probability (FP), and consequences (C) of slope failure.

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MANAGING THE GEOTECHNICAL RISK ASSOCIATED

2006-3-22  The South African Institute of Mining and Metallurgy International Symposium on Stability of Rock Slopes in Open Pit Mining and Civil Engineering Dave Minney Gift Makusha _____ Page 301 MANAGING THE GEOTECHNICAL RISK ASSOCIATED WITH HIGH AND LOW WALLS AT ANGLO COAL’S OPEN PIT MINES. Gift Makusha Dave Minney Anglo Coal Limited SYNOPSIS

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Risk Assessment and Management for Mines and Mining

2017-11-2  Assign a level of risk to each hazard and rank the hazards according to their level of risk. Identify the priority (i.e. highest ranking hazards) for a root-cause analysis, which is a systematic process for identifying factors and causal relationships that contribute to a problem or undesirable event.

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DESIGN OF STABLE SLOPE FOR OPENCAST MINES

2009-5-18  Slope stability analysis forms an integral part of the opencast mining operations during the life cycle of the project. In Indian mining conditions, slope design guidelines are yet to be formulated for different types of mining practices and there is a growing need to develop such guidelines for maintaining safety and productivity.

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2013 International Symposium on Slope Stability in Open ...

Authors Title Year; Martin, CD; Stacey, PF: Pit slopes in weathered and weak rocks Proceedings of the 2013 International Symposium on Slope Stability in Open Pit Mining and Civil Engineering, Slope 2013: 2013: Sjöberg, J: Numerical analysis, slope design and in situ stress Proceedings of the 2013 International Symposium on Slope Stability in Open Pit Mining

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Blasting Safety – Revisiting Site Security

2012-8-29  (4.5 billion pounds) was used by the mining industry [USGS, 2004]. Blasting is a great tool in fragmenting and loosening rock and other materials for easier handling and removal by mining equipment. However, blasting creates serious concerns for the mine operators and miners in terms of blast area security.

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The Environmental Impact of Mining (Different Mining ...

2020-5-27  Some mining techniques — like in-situ leaching, which uses acid and water to remove minerals from a site without significantly disturbing the surface — have much less environmental impact. In-situ mining techniques can use less water than open-pit mining and underground mining, and also reduce the risk

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