dynamic models for open cast coal mining pdf
(PDF) Optimized design of drilling and blasting …
Optimized design of drilling and blasting operations in open pit mines under technical and economic uncertainties by system dynamic …
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Phase Planning for Open Pit Coal Mines through …
Abstract. This paper presents a phase planning method specially designed for coal deposits with nearly horizontal, bedded coal seams. The geology of this type of deposit is modeled into a column …
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(PDF) Optimization of Blasting Parameters- A case study of Nchanga Open
Cost decreased at an optimum fragmentation size in the surface mining operation and production [7,8].The back bone of the blast results quality in surface mining is the efficiency and cost of ...
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Chapter 3 Mining and Mineral Processing
Mining and Mineral Processing 3.1 Opencast Mines Opencast mining is extraction of commercial minerals from the Earth's surface using open-pit workings. About 60 % of …
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A Discrete Event Simulation and Data-Based Framework for
This paper investigates the shearer performance for a longwall top coal caving operation by discrete event simulation that includes modeling the double-drum shearer, …
ادامه مطلبProduction schedule optimization in open-pit coal mine
A case study on an open-pit coal mine shows that the mining life is 39 years, annual production capacity is 16.49 million tons and the NPV is 33.998 billion RMB without capacity investment taken ...
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Department of Mining Engineering NIT, Raipur
In open-cast coal mining operation. Dragline and shovel ... dynamic forces, mining methods, hydrological and drainage conditions etc. (Upadhyay et al. 1990; British Columbia Interim
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ASSESSMENT OF SLOPE STABILITY IN OPENCAST …
1.2 Location of the mine area Study area Open cast mine is situated in southern extremity of Kothagudem area of Khammam district and is well connected by road (Vijayawada and Bhadrachalam road) 160 km from Vijayawada and 280 km from Hyderabad, and railway (branch line from Dornakal Jn of Delhi-Chennai-Grand trunk railway line).
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Remote Sensing | Free Full-Text | Remote Sensing Monitoring of …
After the regreening of the open-pit mine dump, vegetation usually needs to be managed and protected manually for several years before it reaches stability. Due to the spontaneous combustion of coal gangue, surface collapse, and other reasons, secondary damage may occur at any time. Regreening monitoring plays a vital role in the …
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Open-cast mine simulation for better planning
Step 1: Setting up the open-cast mine simulation model. The first step to set up the simulation is to import the mine layout and specify the equipment, the mine plan, and many other input parameters and constraints inside the model. Once the scenario has been imported and checked for setup errors by the platform, we can verify the setup with ...
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The Social and Environmental Consequences of Coal Mining …
mining in South Africa, undertaken for export to the Netherlands. Coal mining imposes many external costs on its surroundings and the people who live in it. Some of these can be quantified by estimates, others are difficult to estimate. Coal mining is by nature disturbing and destructive of the environment. Open cast mining removes
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Frontiers | Dynamic optimization of open-pit coal mine …
A dynamic optimization method was created to address the production schedule issue in an open-pit coal mine while taking into account the characteristics of the fuzzy structured element. The fuzzy …
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Slope stability calculation method for highwall mining with open …
Only a slope stability coefficient of 1.1 can guarantee to maximize the recovered retained coal resources while maintaining safety. Substituting FS = 1.1 into …
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Design of Haul Roads in Open Cast Mines in India—A
Open cast mining or surface mining deals with unconstrained operations and open to sky. Mining in India is a major economic activity and contributes up to 10 to 11% of GDP of total industrial sector. In India, 80% of total mining is carried out in coal sector where heavy dumpers are mostly plying on the haul roads of these open cast …
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Construction of landscape ecological network based on …
Pingshuo opencast coal mine area is located in Shuozhou City in the north of Shanxi Province, located in the hilly area of the Loess Plateau, China (Fig. 2). It is a large-scale concentrated coal development area in China. The main operation mode of opencast mining has led to severe land damage and landscape destruction (Zhang et al., 2019a).
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(PDF) ASSESSMENT OF SLOPE STABILITY IN OPENCAST COAL …
The study area of open cast mine is there exist three main coal seams i n the area, vi z, T op seam, Middl e s eam and Botto m s eam. All the seams in the above mines were exte nsively developed ...
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(PDF) INNOVATIONS OF DEEP OPENCAST MINING WITH …
The Coal vision 2025 of India estimates that the total domestic coal production is projected to increase to 1086 MT in 2025, of which the opencast production will be 902 MT (83%). In India mining ...
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Evolution of Opencast Mines in the Raniganj Coalfield (India): An
Surface mining is the dominant driver of land use land cover (LULC) change in the Raniganj coalfield region in West Bengal, India. Owing to its multifaceted consequences on soil, water, and landholders, assessment of spatio-temporal changes in mining areas has become important. The oldest coal mine of India, Raniganj coalfield …
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Assessment of an Open Cast Coal Mine Slope Stability at
The slope was designed following the coal mine regulations of mechanized open cast mining (CMR 2017) [1], Ministry of Labor and Employment, Govt. of India. The maximum …
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Optimization of drilling and blasting operations in an open pit mine
The results were then compared with those of the conventional DNN model through various performance indices; 229 blasting events in an open-pit coal mine in Vietnam were processed for this aim.
ادامه مطلب(PDF) Assessing Impacts of Mining Activities on Land Use/Land …
Impact of open-cast coal mines on land use/ land cover change in Cam Pha city, Quang Ninh province, Viet Nam between 1990 and 2020 Land use dynamics were categorized in to five class es i.e ...
ادامه مطلبGrootegeluk Models Complex Geology
Grootegeluk is a large coal mining and processing complex. It operates the world's largest coal preparation system. With a raw feed capacity of 7,600 mt per hour (mtph), coal is processed in six different plants. To effectively track its coal mining and processing business, Grootegeluk sought the most powerful and accurate geological …
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Prediction of Blast-induced Air Over-pressure in Open-Pit Mine
Descriptive Data Statistics. In this study, 113 blasting events were recorded from the Deo Nai open-pit coal mine. According to Singh et al. (), the parameters that affect AOp can be divided into two groups, namely controllable and uncontrollable parameters.For controllable parameters, the settings like W, R, burden (B), spacing (S), length of …
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(PDF) A Dynamics Model of Surface Coal Blasting Design Pattern
The application of dynamic modelling for designing surface coal blasting patterns is presented. By combining the terms of open cast blasting design pattern, production planning, noise, vibration ...
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Optimizing Open-Pit Truck Route Based on Minimization of Time
This paper addresses a special truck routing optimization problem in open-pit mines based on the minimization of time-varying transport energy consumption. A mixed-integer programming model is formulated to clearly describe the engineering problem, and a series of constraints are deduced to strengthen the model. To ensure …
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(PDF) UAV Photogrammetry-Based for Open Pit Coal Mine Large …
UAV Photogrammetry-Based for Open Pit Coal Mine Large Scale Mapping, Case Studies in Cam Pha city, Vietnam December 2020 International Journal of Sustainable Development 12(4):501-509
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Assessment of an Open Cast Coal Mine Slope Stability at
Assessment of an Open Cast Coal Mine Slope Stability … 771 Fig. 3 Total displacement along X-axis of mine slope (50°) at Mohanpur block in Plaxis Table 3 Results for open pit slope at Mohanpur block (70° and 50° slope) Zone 3 (undrained condition) Slope 70° slope 50° slope Safety Factor 1.12 1.21 4.2 50° Slope Angle
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(PDF) Performance Measurement of Mining …
of dr agline operatio n in open-cast coal mine in Australia. AbouRizk et al. [55] fitted Beta distribution to analyze the cycle time data for dozer and truck operation.
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Dynamic simulation of an opencast coal mine: a case study
During the LOM extension project study phases of Coal Mine A, Modelling and Simulation (M&S) was conducted. Resource 2 Resource 1 North Fig. 1 Coal mine a resources proximity. Note The distance ...
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Water and energy assessment for dewatering in opencast mines
A case study of water pumping of an opencast coal mine in India resulted in SWR of 22.8 m3/t and SEC of 8.97 kWh/t of coal for a maximum daily rainfall of 100 mm/d in the year 2010. The results ...
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