Assessment of an Open Cast Coal Mine Slope Stability …
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
(PDF) Open Pit Mining
Open pit mining is defined as the method of extracting any near surface ore. deposit using one or more horizontal benches to extract the ore while dumping. overburden and tailings (waste) at a ...
A remote sensing based approach for the restoration of an open-cast
A fully automatic approach for extracting 3-D information from simulated 1 m panchromatic digital stereo data was tested within the context of mapping the infrastructure of an open- cast coal mine ...
Research on production capacity planning method …
Aiming at the capacity target of 30–35 Mt/a in Baorixile open-pit coal mine, this research studies the influence of working face length and annual advancing …
Optimization of drill bit replacement time in open-cast coal …
Optimization of drill bit replacement time in open-cast coal mines. Omer Faruk Ugurlu. 1. • Mustafa Kumral. 1. Received: 13 November 2018 / Revised: 2 February 2019 / Accepted: 8 May 2019. Ó ...
Optimization-based dispatching policies for open-pit mining …
We propose, implement, and test two approaches for dispatching trucks in an open-pit mining operation. The first approach relies on a nonlinear optimization model that incorporates queueing effects to set target average flow rates between mine locations. The second approach is based on a time-discretized mixed integer programming (MIP) …
Frontiers | Dynamic optimization of open-pit coal …
The Autoregressive Integrated Moving Average Model ARIMA is constructed to anticipate the coal price in the future 23 years by evaluating and processing the coal price from 2009 to 2022, and the …
(PDF) UAV Photogrammetry-Based for Open Pit …
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
Particle dispersion within a deep open cast coal …
In case of PM 10 its dispersion is additionally affected by intertial. and dynamic forces acting on the particulates acting on them. Open cast coal mining. involves various operations e.g ...
A hydrogeological model of the open-cast mine Tamnava …
The Kolubara Coal Basin is the largest coal-producing area in Serbia. It is administratively comprised of several open-cast mines: Field A, Field B, Field C, Field D, Field E, Field F, Field G ...
(PDF) Remote sensing of vegetation health for reclaimed …
This study evaluates the changes in vegetation around Milas-Ö ren open-cast lignite coal mining site, Türkiye, between 1984 and 2023, using Landsat images and Google Earth Engine.
A dynamic programming model for environmental …
The activities of coal production and utilization include mining, preparation and combustion of coal-fired boilers for heating. Different activities generate different pollutants, as shown in Fig. 1.Coal can be extracted either by opencast or underground mining techniques, depending on coal seam depth, geotechnical conditions, land use …
An open database on global coal and metal mine production
Our open database on global coal and metal mine production 12 covers worldwide mining activities of metal ores and coal, on an individual mine level. It comprises 1171 mines, production data for ...
Assessment of an Open Cast Coal Mine Slope Stability at
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 …
OPTIMIZATION OF THE HAULAGE CYCLE MODEL FOR …
3 ACKNOWLEDGEMENTS I wish to thank Dr. Sean Dessureault for his support in my first academic year. I also want to express my profound gratitude to Dr. Victor Tenorio for his continuous
Dynamic simulation of an opencast coal mine: a case …
Dynamic simulation of an opencast coal mine: a case study. Kesavan Muniappen, B. Genc. Published in International Journal of Coal… 13 December 2019. …
ASSESSMENT OF SLOPE STABILITY IN OPENCAST COAL …
The study area of open cast mine is there exist three main coal seams in the area, viz, Top seam, Middle seam and Bottom seam. All the seams in the above mines were extensively developed/depillared by caving/stowing. Even after working these four ... creation of models for soil and/or rock slopes and solution of their stability condition.
Prediction of dust concentration in open cast coal mine …
Coal dust is a major pollutant in the ambient air of coal mining areas. The pollution due to open cast mining is more severe than pollution due to underground mining. Prediction of ambient ...
Assessment of the capability of SWAT model to predict
Along with changes in land-use, open cast coal mining also changes the topography along with the drainage pattern of the region. It was observed that majority of the increase in opencast mining area (53%) and built-up area (85%) took place between 2003 and 2010 for the present study area (BCCL Annual Report 2013–2014).
Prediction of dust concentration in open cast coal mine …
Coal dust is a major pollutant in the ambient air of coal mining areas. The pollution due to open cast mining is more severe than pollution due to underground mining. Prediction of ambient concentration of pollutants should be known to implement any control techniques to reduce their concentrations. In this paper, three models were …
Particle Dispersion Within a Deep Open Cast Coal Mine
In case of PM10 its dispersion is additionally affected by intertial and dynamic forces acting on the particulates acting on them. Open cast coal mining involves various operations e.g overburden ...
Research on production capacity planning …
To realize economic dynamic assessment and optimization of production capacity of an open-pit coal mine with the balance of the total amount of stripping, Zhang et al.23 …
Remote sensing of vegetation health for reclaimed areas of …
Coal mining, particularly open cast coal mining, causes disruption and degradation over wide regions. Post mining restoration has vital importance in order to minimize the impacts on the environment. Besides the ongoing reclamation activities, it is important to re-evaluate the health of planted species until the vegetation is self-supporting.
Dynamic simulation of an opencast coal mine: a case study
Coal mine a life of mine extension project was approved for implementation when export coal prices were on the low end of the price cycle. The dynamic simulation of the full materials handling value chain conducted during the project feasibility study in 2016 was of utmost importance and provided assurance to the project review team that annual ...
(PDF) LIMIT EQUILIBRIUM AND NUMERICAL MODEL …
numerical model studies with the simulated materials, geometry etc for typical opencast coal mine, the factor of safety turned out to be more than 1.5, and considered as stable as per the recent ...
Application of 3D numerical simulations to forecast mine
The selected model boundaries in the north, east, south and west are far enough from the existing open cast projects to minimize potential boundary effects during the mining-phase simulations (Table 1). In addition to the effects of dewatering and pit-refilling within the quarry area, the model domain was also selected to infer the potential ...
Maintenance Schedules of Mining HEMM Using an Optimization Framework Model
This paper details the optimization framework model for managing the schedule of the movable mining equipment of open cast mines to improve the availability and productivity of the mining equipment. ... Reliability centred maintenance (RCM) for heavy earth-moving machinery in an open cast coal mine. CIM Bulletin, 94(1056): 104-107. https://doi ...
Optimized design of drilling and blasting operations …
System dynamics modelling (SDM) is concerned with the dynamic behavior of systems. That is, the behavior of systems over time. In SDM, the modeller attempts to …
Prediction of stability coefficient of open-pit mine slope
The DL model is used to model and analyze the real-time measured ... Q. et al. Effect of coalbed methane well fracturing on slope stability of open-pit coal mine: A case study of shengli east no ...
open pit vs open cast difference
Feb 23, 2012· As its name indicates, open pit mining is a method of extracting rock or minerals from open pits, like quarries and burrows. This ancient form of mining requires no tunneling and is utilized when substances are fairly close to the surface. These mines are not just big open holes.