Zhunqi Changtan Openpit Coal Mine Levy 2018 Current Status
Monitoring the ecological restoration effect of land reclamation in
2023年12月15日 However, openpit coal mining causes changes in the surface environment and can aggravate ecological degradation in mining areas, as well as cause soil erosion, arable 2024年1月1日 This paper summarizes the pertinent literature on the early warning platform of openpit mines, outlines the three primary applications of monitoring data perception, technical Intelligent earlywarning platform for openpit mining: Current By the end of December 2018, China had 3373 fullylicensed coal mines with a total output of 353 Gt/a, with an average production capacity of 1045 Mt/a /mine, comprising 093 Mt/a per Development status of coal mining in China2022年8月4日 Taking 13 typical openpit coal mines of Inner Mongolia as the study area, combining remote sensing images and the Google Earth Engine (GEE) platform, the trend (PDF) The Landscape Pattern Evolution of Typical OpenPit Coal
Assessing the effect, attribution, and potential of vegetation
2023年11月1日 The results show that: (1) This study can accurately identify the actions and characteristics of vegetation destruction and restoration of openpit coal mines’ dumping sites Open pit mining accounts for 13%, with an average mine production capacity of 573 Mt/a The average mining capacity of coal mines in China is 105 Mt/a, with 1181 coal mines with anDevelopment status of coal mining in ChinaWater absorption and strength softening law of chlorite amphibolite in Nanfen openpit mine ZHANG Xiulian , HAN Zongfang , HAN Wenshuai , HE Manchao , TAO Zhigang , GU Ming Journal of China Coal Society 2018 No 9Groundwater vulnerability assessment of openpit coal mine insteppe area based on DRTICSLCHINA MINING MAGAZINE 2018 Vol 27 No 10
Development status of coal mining in China ResearchGate
2023年2月23日 The results show that 87% of China's coal is mined by underground methods, with an average production capacity of 093 Mt/a per mine Open pit mining accounts for 13%, 2019年4月23日 The mininginduced ecological issues are studied and sufficiently effectively treated in oil shale development, as well in largescale opencast mining of sandandgravel, (PDF) Open Pit Coal Mines ResearchGate2016年7月29日 The high demand of clean water supply and groundwater usages in Yogyakarta City, Indonesia has caused the lowering of groundwater table of about 3 m in average since 1984Hydrogeology of an OpenPit Coal Mine in Tamiang 2022年6月6日 2020, in the Manglai openpit coal mine, China In this paper , the enginee ring geo logical survey , mechanical test , large deformation nite e lement numerical met hod, limit equilibrium method and(PDF) Landslide mechanism and stability of an open
Intelligent earlywarning platform for openpit mining: Current status
2024年1月1日 Currently, openpit mines comprise a sizeable portion of the global mining industry Iron ore accounts for 80 to 90 percent of openpit metal mines in China, while nonferrous metals account for 40 to 50 percent (Sun et al, 1999)In order to adapt to the current supply and demand environment, openpit mines must perpetually increase their mining depth Request PDF On Aug 1, 2019, Yamileth DomínguezHaydar and others published Evaluation of Reclamation Success in an OpenPit Coal Mine Using Integrated Soil Physical, Chemical and Biological Evaluation of Reclamation Success in an OpenPit Coal Mine 2022年9月1日 The repurposing of abandoned openpit coal mines into pumped storage hydropower (PSH) can help with the storage of renewable energy, improve mine environments, and provide added economic value(PDF) Pumped storage hydropower in an abandoned openpit coal mine Introduction China is heavily dependent on coal, and the proportion of coal in the energy structure will be continuously high 1 – 3The openpit coal mining has the characteristics of high recovery and high safety factors, openpit coal mining can bring huge economic benefits to the mining area 4 – 7In the mining design of open pit coal mine, planning reasonable production Research on production capacity planning method of openpit coal mine
Monitoring and prediction of dust concentration in an openpit mine
Li et al (2021) predicted the average TSP concentration for the next 4 h based on the current 4h TSP concentration average and meteorological conditions, achieving an R 2 value of 09742024年9月29日 Soil Nutrients Inversion in Open‐Pit Coal Mine Reclamation Area of Loess Plateau, China: A Study Based on ZhuHai ‐1 Hyperspectral Remote SensingSoil Nutrients Inversion in Open‐Pit Coal Mine ResearchGate2024年1月17日 Expanding openpit mining towards larger mining scales and greater stripping depths increases the potential risks of landslides on high and steep slopes, endangering human life and property Therefore, it is of great significance to accurately reveal the main controlling factors and identify the key dynamic parameters to understand the formation mechanism and Formation mechanism and dynamic process of openpit coal mine Similarly, Eivazy and AskariNasab [26] utilise clustering algorithms for block aggregation and then applied the conventional model for large size models to develop mediumterm production plansFig 1 Schematic illustration of an openpit mine (Source:
Characterization and environmental sustainability of open pit coal mine
2023年9月1日 Characterization and environmental sustainability of open pit coal mine overburden waste rock as pavement A Laboratory Study on Estimation of Shear Strength and Compaction Properties of Overburden Dump Material in Indian Coal Mines, 92 (3) (2018), pp 363367 Crossref View in Scopus Current Status and Research Needs, 12 (3 Download scientific diagram Antaibao openpit mine, China coal mine from publication: Variability in reconstructed soil bulk density of a high moisture content soil: a study on feature Antaibao openpit mine, China coal mine2009年12月1日 Open pit optimization is a tool which can be used in open pit design to assist in designing pits which are very stable in the face of economic change and have high values [1](PDF) An another way for open pit mine design2019年9月4日 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 Geotechnical risk management for open pit mine closure: a sub
Study on Optimization of Coal Truck Flow in OpenPit Mine
2020年6月23日 A semicontinuous process system consisting of a singlebucket excavator, truck, crushing station, and belt conveyor is the main coal mining process system of a largescale hard coal openpit mine2023年2月23日 At least two people were confirmed dead and more than 50 still missing the morning after an openpit coal mine collapsed in northern China on February 22, 2023 Around 300 rescuers hadAt least 2 dead, 53 still missing after openpit coal mine collapse 2023年5月29日 A dynamic optimization method was created to address the production schedule issue in an openpit coal mine while taking into account the characteristics of the fuzzy structured elementResearch on production capacity planning method of openpit coal mine2000年12月1日 The influence of air deck blasting on blast performance and blast economics and its feasibility has been studied in the production blasting of soft and medium strength sandstone overburden rocks The use of air decks in production blasting in an open pit coal mine
Vegetation coverage change and stability in large openpit coal mine
2016年7月9日 Ecosystem reconstruction via vegetation restoration is key to comprehensive renewal of the fragile ecological environment of an openpit mine dump To investigate vegetation coverage change and stability after mine dump land reclamation, three dumps in the Antaibao openpit coal mine, northern Shanxi province, China, were used2020年1月1日 Fleet management systems (FMS), also known as vehicle tracking systems (VTS), are used for realtime decisionmaking in the fields of transportation, distribution, and logistics [20]Intelligent Fleet Management System for Open Pit Mine2023年11月26日 Openpit mines are becoming more intelligent and unmanned One of the core technologies for autonomous driving is highdefinition map technology, while refined mine maps are also needed to support scenarios OpenPit Map: An HD Map Data Model for OpenPit 2018年3月26日 This review examines the current stateoftheart in shortterm planning for openpit mines, with a granularity that spans days, weeks, or months, and a horizon of less than one to two yearsShortTerm Planning for Open Pit Mines: A Review
Spatial Distribution and Migration Characteristics of Heavy Metals
2022年4月7日 1 Introduction Openpit mining significantly impacts land resources and the ecological environment []The largest artificial structure in the openpit coal mining area is the mine dump formed by stripping off the overlying topsoil and strata of the coal seam and then stratifying and stacking due to openpit mining, which will cause land occupation, soil erosion, 2023年5月9日 The applicability and effectiveness of this method were verified by taking an ideal twodimensional model and an inclined coal seam openpit coal mine in Xinjiang as an example Schematic diagram (PDF) Boundary optimization of inclined coal seam openpit mine 2009年11月1日 This paper considers the geological conditions of an openpit mine in Shendong Coal Field (China) in order to prevent overlying rock fall accidents; the MarkBieniawski formula and the FLAC3D Optimization of drilling and blasting operations in an open pit mine 2022年11月24日 The results of this study provide theoretical guidance and a reference for the distribution law of dust concentration in openpit coal mines Layout of the onsite monitoring points in the Analysis of the DustConcentration Distribution Law in an OpenPit Mine
Response of ecosystem services and environmental dynamics in large open
2024年6月1日 Coal is a nonrenewable primary energy source that plays a crucial role in facilitating socioeconomic advancement Openpit mining is the principal method of global coal mining, accounting for more than 80% of the total production (Dai et al, 2014)In 2018, the share of openpit coal mine production in major coalproducing countries, such as India, Indonesia, 2022年1月4日 In this paper, the atmospheric flow field characteristics in a deep openpit mine are investigated numerically and theoretically A theoretical model on the recirculation length based on the energy equation is used, and a total variation diminishing (TVD) difference scheme with secondorder accuracy is used to solve the NS equations with a standard twoequation k Investigation on flow field characteristics in an openpit coal mine2024年6月29日 Dust pollution from Chinese openpit coal mines (OPCMs) threatens the coexistence of resource development and environmental protection This research introduces a new approach to designing OPCMs based on meteorological indicators for dust removal and diffusion It analyzes the production, distribution, and dust emission features of largescale Optimizing openpit coal mining operations: Leveraging 2023年5月9日 Introduction Openpit mining method involves drilling layers of earth to expose ore and minerals while iteratively deepening the pit 1Excavated material from ore and waste rock pits is loaded onto trucks and transported to specific designated areas 2Openpit mining is a complex system engineering, which primarily encompasses delineation of the mining Boundary optimization of inclined coal seam openpit mine
Hydrogeology of an OpenPit Coal Mine in Tamiang
2016年7月29日 The high demand of clean water supply and groundwater usages in Yogyakarta City, Indonesia has caused the lowering of groundwater table of about 3 m in average since 19842022年6月6日 2020, in the Manglai openpit coal mine, China In this paper , the enginee ring geo logical survey , mechanical test , large deformation nite e lement numerical met hod, limit equilibrium method and(PDF) Landslide mechanism and stability of an open 2024年1月1日 Currently, openpit mines comprise a sizeable portion of the global mining industry Iron ore accounts for 80 to 90 percent of openpit metal mines in China, while nonferrous metals account for 40 to 50 percent (Sun et al, 1999)In order to adapt to the current supply and demand environment, openpit mines must perpetually increase their mining depth Intelligent earlywarning platform for openpit mining: Current status Request PDF On Aug 1, 2019, Yamileth DomínguezHaydar and others published Evaluation of Reclamation Success in an OpenPit Coal Mine Using Integrated Soil Physical, Chemical and Biological Evaluation of Reclamation Success in an OpenPit Coal Mine
(PDF) Pumped storage hydropower in an abandoned openpit coal mine
2022年9月1日 The repurposing of abandoned openpit coal mines into pumped storage hydropower (PSH) can help with the storage of renewable energy, improve mine environments, and provide added economic valueIntroduction China is heavily dependent on coal, and the proportion of coal in the energy structure will be continuously high 1 – 3The openpit coal mining has the characteristics of high recovery and high safety factors, openpit coal mining can bring huge economic benefits to the mining area 4 – 7In the mining design of open pit coal mine, planning reasonable production Research on production capacity planning method of openpit coal mineLi et al (2021) predicted the average TSP concentration for the next 4 h based on the current 4h TSP concentration average and meteorological conditions, achieving an R 2 value of 0974Monitoring and prediction of dust concentration in an openpit mine 2024年9月29日 Soil Nutrients Inversion in Open‐Pit Coal Mine Reclamation Area of Loess Plateau, China: A Study Based on ZhuHai ‐1 Hyperspectral Remote SensingSoil Nutrients Inversion in Open‐Pit Coal Mine ResearchGate
Formation mechanism and dynamic process of openpit coal mine
2024年1月17日 Expanding openpit mining towards larger mining scales and greater stripping depths increases the potential risks of landslides on high and steep slopes, endangering human life and property Therefore, it is of great significance to accurately reveal the main controlling factors and identify the key dynamic parameters to understand the formation mechanism and Similarly, Eivazy and AskariNasab [26] utilise clustering algorithms for block aggregation and then applied the conventional model for large size models to develop mediumterm production plansFig 1 Schematic illustration of an openpit mine (Source: