slop in coal mines

Slope stabilization of coal mine overburden dumps: life cycle ...
2024.6.10 The stability of coalmine overburden dumps is a crucial aspect and often requires a slope stabilization method in place to prevent slope failures. Mechanical
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Slope stability calculation method for highwall mining with
2022.1.7 Slope stability is a prominent problem for the efficient application and promotion of highwall mining technology, especially when mining residual coal under
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Slope stability of deep surface coal mines in the presence
2021.6.11 Slope stability is performed on a soil profile with a weak zone, describing a common type of coal mines' failure in several countries. Numerical issues of practical
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Mining Free Full-Text An Overview of Slope
When mine deposits start from the shallow subsurface and extend to a great depth, sequential use of open-pit and underground mining is an efficient and economical way to maintain mining productivity. An example of a failed
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Prediction of slope failure in open-pit mines using a novel
2020.6.18 Slope collapse is a critical hazard in open-pit mines as it can be of any scale, small or large, and directly affect people, equipment, and production processes
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Multi-Factor Analysis on the Stability of High Slopes in Open-Pit Mines
2023.5.11 During the production of open-pit mines, the stability of slopes can be affected by various factors such as structural surfaces, production blasting vibrations,
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A new approach for evaluation of slope stability in large
2022.2.2 Slope stability analysis plays an important role in mine design and production. With the increase in global demand for minerals, the depth of open-pit mines
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Slope Monitoring and Failure Prediction Techniques in Mines
2022.8.31 A likelihood of failure is determined using a new slope stability classification system for excavated coal mine slopes developed using a database of 119
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(PDF) LIMIT EQUILIBRIUM AND NUMERICAL
2022.11.26 This paper presents a critical review of the various approaches used for analysis of slope stability in opencast mines including details of limit equilibrium, and numerical model analysis, with a...
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Assessment of an Open Cast Coal Mine Slope Stability at
2021.4.30 Optimum design of the open cast mine pit slope is important from both stability and economic point of view. Hence, the aim of the design of an open cast mine is to provide the best possible outline of excavation with respect to safety, ore recovery and financial return [].The most crucial part of the design is to find the optimum slope angle
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A new approach for evaluation of slope stability in large
2022.2.2 The slope stability has already become one of the most important factors directly related to the safety production and development of a mine, which is principally controlled by the properties of geological discontinuities of slope, such as bedding planes, faults, cleavage and joints. In this study, a new approach for the evaluation of slope
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Slope stability calculation method for highwall mining with
2022.1.7 Slope stability is a prominent problem for the efficient application and promotion of highwall mining technology, especially when mining residual coal under high and steep end-slope conditions.
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Analysis of Accidents Due to Slope Failure in Indian Opencast Coal Mines
2019.7.25 An accident due to dump slope failure in Indian opencast coal mine, in which a giant debris flow occurred during routine mining operation is analysed, to identify the gaps in the learning system and the thrust on improving safety by analysing accidents using root cause analysis techniques and to improve the stability of the dump. Opencast mining
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Slope stability of deep surface coal mines in the presence of
2021.6.11 Abstract Coal and lignite (brown coal) are geo-resources that govern energy production for decades. Geomechanical challenges, particularly slope stability, related to surface coal and lignite mines are critical during operation and determine the post-coal era. Several failure incidents have been reported in mining areas, typically
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Slope stabilization of coal mine overburden dumps: life cycle ...
2024.6.10 The stability of coalmine overburden dumps is a crucial aspect and often requires a slope stabilization method in place to prevent slope failures. Mechanical methods like benching, gabion wall construction, geogrid reinforcement, and biological methods like the use of vegetation can suffice the need for slope stabilization. In this study, a life cycle
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ASSESSMENT OF SLOPE STABILITY IN OPENCAST COAL MINES USING SOFTWARE
2019.9.19 Satyanarayana,,G. Budi, Phalguni Sen, A.K. Sinha,2017 Stability Evaluation of Highwall Slope in an Opencast Coal Mine-A Case Study AMSE JOURNALS-AMSE IIETA publication Vol. 78; N°3; pp 253-273. ...
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Optimization of working slope configuration in seasonal
2024.1.1 The seasonal stripping open-pit coal mine working slope often uses bench groups for cycle advancing operation to reduce advance stripping and save the stripped material internal dumping distance. Factors such as the form of the working slope, the way the benches are combined, and the way the coal is exposed in the quarry directly affect
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(PDF) Q-slope application to coal mine stability - ResearchGate
2021.8.1 Q-slope and slope angles for over 500 cases studies including coal mine slopes. Mechanics and Rock Engineering, from Theory to Practice IOP Conf. Series: Earth and Environmental Science 833 (2021 ...
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Methods applied in Australian industry to evaluate coal mine slope ...
2020.3.1 Slope stability analyses can be undertaken using empirical, kinematic, limit equilibrium (2D or 3D) or numerical (2D or 3D) modelling techniques. A survey of 43 geotechnical engineers in 2016 indicated that kinematic and 2D limit equilibrium analyses are the most commonly applied methods to assess excavated coal mine slope stability.
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Parameter control method of working slope passing fault in
This paper presents the optimization principle of the parameters of the working slope passing through the fault in the open-pit coal mine, and puts forward the method of determining the parameters by using the computer program to judge circularly. Taking Shengli West No. 2 Coal Mine as the engineering background, the above optimization ...
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Performance of Coal Mine Overburden Dump Slope Under
2023.10.27 The occurrence of earthquakes in coal mining areas endangers the stability of the overburden (OB) dumps. ... In-situ investigation on coal mine overburden dump slope and its seismic stability considering heterogeneity. European Journal of Environmental and Civil Engineering, 1–25. Google Scholar Directorate General of Mines
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Mining Free Full-Text A Comprehensive Numerical
2023.11.22 The “Baganuur” lignite coal mine is one of the biggest open cast mines in Mongolia. However, there is a huge challenge in managing the stability of its internal dump, which prevents the proper operation of the mine and has an impact on the economy. To solve the internal dump slope stability problem, this study focused on incorporating the
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Prediction Model for Open-pit Coal Mine Slope ... - Semantic
Slope engineering is a key project in open-pit coal mines. The stability of the slope is closely related to safety production of coal mines. Slope stability prediction is a prerequisite in slope control, faced with complexities. To quickly and effectively determine the coal mine slope stability, this paper establishes a prediction model using the random forest algorithm.
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Overburden Dump Slope Stability: A Case Study At Coal Mine
Slope stability of overburden dumps plays as integral part of opencast mine project throughout the operation process. Waste dumps always have steep angled slopes as the waste has been tipped over from the top of the dump in a continuous and progressive manner. For new landfill it is often desirable to design steep slopes as it can
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Estimating the Optimal Overall Slope Angle of Open-Pit Mines
2022.5.9 The slope of an open-pit mine is crucially influenced by the slope geometry, quality of rock mass and presence of geological features and their properties. ... Lekovski, R. Stability analysis innner waste dump Kutlovaca of the coal open pit mine Potrlica–Pljevlja using the geostusio 2007 software. Časopis Rudarski Radovi 2010, 1, 75–80 ...
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Numerical Modelling of Coal Mine Overburden Dump Slopes
2022.11.24 In India, Coal Mines Regulations, 2017 [] has laid down the standard design guidelines for the overall geometry of the spoil banks and dumps amongst which the significant ones include: a spoil bank shall have a maximum slope of 37.5° from the horizontal, still a steeper slope may be permitted by the regional inspector having an
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Stability Analysis of Overburden Dump Slope—A Case Study
Abstract. Open cast mining produces huge amount of overburden dump material and it is stored in the form of external overburden dump in pit dumping. Present investigation deals with stability analysis of overburden dump slope at Marki Mangli-I open cast coal mine. The stripping ratio of the Marki Mangli-I coal mine is 6.75 which is very large.
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Analysis of accidents due to slope failure in Indian
ure is a matter of serious concern in Indian mining indus-try, as in recent times several slope failures have taken place in coal mines causing loss of precious lives and costly equipment8,9. It is necessary to study such cases and find out the causes of failure. In this communication, we have analysed an accident case study highlighting the
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Slope Design and Implementation in Open Pit Mines:
2012.1.1 Keywords: slope stability, slope design, engineering geology, fault, open pit mines, SOMAIR uranium mine, OCP phosphate mine 1. Introduction Slopes of mines and quarries, some of which may reach several hundred meters deep, must be regarded as "geotechnical works" in the sense that we speak of mine works or civil engineering works.
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(PDF) An Overview of Slope Failure in Mining Operations
2022.6.2 Abstract. The primary aim of every twenty-first century mining operation is to extract as much ore as possible in a safe and economical manner. Failure in mine excavation occurs when the shear ...
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Pumped storage hydropower in an abandoned open-pit coal mine: Slope ...
2022.9.11 As shown in Figure 3, abandoned coal mines, especially open-pit coal mines, can provide abundant space and water resources for PSH, which have a lower environmental and societal impact. Besides, the reuse of abandoned coal mines can contribute to adding value to local communities after the cessation of mining activities.
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Evaluation of dump slope stability of a coal mine using
2015.8.20 The production of coal increase from a level of 70 MTs in early 1970 has reached to over 565 MTs in 2013–2014. The increase in production is mainly contributed by the surface coal mine and at present, more than 88 % of coal production is coming from surface mines. Due to enhancement in coal production, handling volume of overburden
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(PDF) Slope stability monitoring in opencast coal mine based
2018.4.20 In this paper, a case study is presented in a large opencast coal mine. Deformation in the slopes with slope angles of 49°, 53°, 58°, 64°, 68° and 70° is monitored over old underground workings.
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Methods applied in Australian industry to evaluate coal mine slope ...
2020.3.1 Strata failure is a principal hazard in open cut coal mining as it has the potential to cause multiple fatalities. Prior to the excavation of any slope, a geotechnical assessment should review the ...
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(PDF) The Use of Radar in the Assessment of the Stability of Mine ...
2023.4.1 Abstract. Many mines currently use radar for slope stability monitoring to moni-. tor slopes and dumps in opencast mines in real-time and to send out early warning. signals. In India, opencast ...
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ASSESSMENT OF SLOPE STABILITY IN OPENCAST COAL
2019.10.2 These slope failure accidents in Indian mines have taken place due lack of sound design of slopes and lack of monitoring. So, the coal industry has identified slope design, monitoring and stabilization as one of the thrust areas. Table 1 Accidents due to highwall failure in Indian opencast coal mines (DGMS report, 2016) Year State Name of
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Functions and performance of sensors for slope monitoring
2023.2.10 Slope monitoring has become mandatory in opencast mines. Despite various slope monitoring systems, Wireless Sensor Network is faster and more efficient. It is essential to test the sensors before installation in the field to assess their effectiveness and suitability for a particular slope condition.
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Probabilistic Slope Stability Analysis of Coal Mine
2023.6.27 Abstract Coal mine waste rock is generated dur-. ing coal extraction and is usually disposed of in non-. engineered dumps. The dumps are extended vertically. to 100–120 m height to reduce the ...
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