scholarly journals CONCEPTIONS OF LAND RECLAMATION IN THE POLISH OPENCAST MINING

1997 ◽  
Vol 1 ◽  
pp. 26
Author(s):  
Tadeusz Chrzan ◽  
Henryk Greinert
Keyword(s):  
Coal Mining ◽  
Brown Coal ◽  
Agricultural Land ◽  
Land Reclamation ◽  
Surface Mining ◽  
Cultivated Plants ◽  
Opencast Mining ◽  
Direct Introduction ◽  
Mining Areas ◽  
Humus Soil

In the paper the influence of surface mining on the environment is presented. The sizes of mining areas and depression funnels has been shown. Also are presented the amount of cover materials and the quantity of water pumped out from the mines in five regions of brown coal mining in Poland.Various conceptions of land reclamation are discussed, from the method of pioneer vegetation in the years of 1950 - 1970, trough selective excavation of the humus soil in the years 1970 - 1980, to conception of the direct introduction of the final type of vegetation.In the lost part of the paper three models of agricultural land remediation are discussed, as well as the yields of the cultivated plants on recultivated former mining areas.

scholarly journals A new approach to increase land reclamation rate in coal mining subsidence area: A case study of Guqiao Coal Mine, China

2021 ◽  
Author(s):  
Gensheng LI ◽  
Jianxuan Shang ◽  
Zhenqi Hu ◽  
Dongzhu Yuan ◽  
Pengyu Li ◽  
...  
Keyword(s):  
Coal Mining ◽  
Coal Mine ◽  
Land Reclamation ◽  
Water Area ◽  
Land Area ◽  
Reclaimed Land ◽  
Land Protection ◽  
Mining Areas ◽  
Concurrent Mining And Reclamation ◽  
Coal Mining Subsidence

Underground coal mining will inevitably cause land ponding in high groundwater table, which will affect the land sustainable development. However, the traditional reclamation (TR) is poor in land rate. Thus, finding a suitable reclamation approach is crucial to alleviate the conflicts between coal exploitation and land protection. In this paper, taking Guqiao Coal Mine of China was seriously affected by mining-induced ponding as an example. Firstly, dynamic distribution of surface subsidence and land damage from 2007 to 2017 was revealed base on concurrent mining and reclamation (CMR). Second, the land-water layout of five reclamation schemes (no reclamation, TR, CMR I, CMR II and CMR III) were simulated. Then, and the dynamic filling elevation model and filling thickness model were constructed. Finally, the sequence of earthwork allocation was optimized. The results revealed that: 1) reclaimed land area: CMR III > CMR II > CMR I > TR > no reclamation; 2) The digging depth is directly proportional to earthwork volume and land area, and inversely proportional to water area, but with increase of digging depth, the increase in the reclaimed land area relatively slowed down; 3) CMRs had reclaimed 426.31~637.82 ha and 259.62~471.13 ha more than the no reclamation and TR respectively. Compared with the no reclamation and TR, CMRs can increase the proportion of reclaimed land by 33.77~50.52% and 20.57~37.32% respectively. The research results provide a reference to increase the reclamation rate of mining areas in the high phreatic table.

scholarly journals NEW POSSIBILITIES OF CALCULATING THE VOLUMES OF EXTRACTED MASSES IN THE SURFACE MINING OF BROWN COAL

2017 ◽  
Vol 63 (3) ◽  
pp. 8-17
Author(s):  
Dana Vrublová ◽  
Roman Kapica ◽  
Beáta Gibesová ◽  
Jaroslav Mudruňka
Keyword(s):  
Czech Republic ◽  
Real Time ◽  
Coal Mining ◽  
Brown Coal ◽  
Surface Mining ◽  
Spatial Position ◽  
Mining Technology ◽  
The Czech Republic ◽  
Time Motion ◽  
Volume Calculations

Abstract The companies engaged in brown coal mining are looking for ways of managing the mining process as efficiently as possible. The principal mining technology used for brown coal mining in our country, but also in Germany and Poland, are wheel excavators. The evolving GNSS technology has enabled designing and realisation of systems for determining the spatial position of the excavator wheel. The visualisation of the wheel's spatial position and tracking of its real-time motion is performed in the Czech Republic by the program Mine Model developed by the company KVASoftware. One of the most important tasks of mine surveyors is the calculation of the volumes of the extracted masses. The described system performs this task in real-time. This article describes an application that is used to automate volume calculations.

Soil zoology I: arthropod communities in open landscapes of former brown coal mining areas

2005 ◽  
Vol 24 (1-2) ◽  
pp. 121-133 ◽  
Author(s):  
Udo Bröring ◽  
Jadranka Mrzljak ◽  
Rolf Niedringhaus ◽  
Gerhard Wiegleb
Keyword(s):  
Coal Mining ◽  
Brown Coal ◽  
Arthropod Communities ◽  
Mining Areas

scholarly journals Evaluation of surface mining areas through geospatial analysis. The case of Ptolemais lignite mines

2021 ◽  
Vol 342 ◽  
pp. 02013
Author(s):  
Aikaterini Servou ◽  
Nikolaos Paraskevis ◽  
Christos Roumpos ◽  
Francis Pavloudakis
Keyword(s):  
Land Reclamation ◽  
Surface Mining ◽  
Mining Area ◽  
Geospatial Analysis ◽  
Slope Aspect ◽  
Land Uses ◽  
Residential Areas ◽  
Present Contribution ◽  
The Road ◽  
Mining Areas

The lignite surface mines often occupy large areas to develop the mining activities: pits, dumping areas, bunkers, buildings, workshops, and other auxiliary facilities. The land reclamation methods and the corresponding land use alternatives after the mine closure constitute an important part of an integrated mining planning. In the present contribution, the main parameters of geospatial planning are investigated in order to assess the changes in land uses in a mining area and to correlate them with the spatiotemporal development of the extraction works. As a case study, geospatial analysis of the current situation in Ptolemais mines is presented. In particular, seven dumping areas are assessed regarding their suitability for specific land uses. The assessment is based on the following criteria: a) slope gradient, b) reclamation works already completed, c) slope aspect, d) proximity to the road network, and e) proximity to residential areas. Furthermore, the ArcGis software is used to compile the layer maps of the corresponding parameters.

scholarly journals Corporate Responsibility towards the Protection and Management of the Environmental Land of Used Mine

2021 ◽  
Vol 2 (1) ◽  
pp. 43-52
Author(s):  
Mahfud Mahfud
Keyword(s):  
Natural Resources ◽  
Coal Mining ◽  
Corporate Responsibility ◽  
Land Reclamation ◽  
Negative Impact ◽  
Mining Activities ◽  
Mining Areas ◽  
Disturbed Land ◽  
Environmentally Sound ◽  
The Impact

Humans exploiting their natural resources must always be based on an environmental approach. This is reasonable because environmental problems are closely related to population growth, the impact of which is the high demand for natural resources. One of the natural resources most widely used by humans for various purposes is coal. The negative impact of coal mining is to trigger deforestation and exacerbate climate change. This writing uses normative juridical research. The approach used is the statutory approach. Therefore, the management process of exploring and exploiting every mining material, especially coal, requires various AMDAL mechanisms as part of environmentally sound development management. Provisions regarding mineral and coal mining activities oblige mining companies to carry out reclamation and post-mining activities of the mining areas they cultivate. The scope of the implementation of reclamation activities starts from exploration, land clearing, excavation of top and over-borders, coal excavation, land arrangement, revegetation, including nursery preparation, and maintenance and evaluation of activity results. Reclamation is carried out no later than one month after there are no more mining business activities on disturbed land. Reclamation and post-mining activities are one of the obligations of mining business activities.

scholarly journals The Local Economy and Rural Development in Berambai Hamlet, East Kalimantan

Society ◽  
2020 ◽  
Vol 8 (2) ◽  
pp. 506-516
Author(s):  
Arman Arman ◽  
Asep Saefuddin
Keyword(s):  
Coal Mining ◽  
Rural Areas ◽  
Agricultural Land ◽  
Local Economy ◽  
Snowball Sampling ◽  
Mining Areas ◽  
East Kalimantan ◽  
The Government ◽  
Depth Interviews

The role of the local economy gets eroded due to the inclusion of capitalization in rural areas. This research examines the coal mining industry's influence on the local economy's existence in Berambai Hamlet, Bukit Pariaman Village, Tenggarong Seberang Sub-district, Kutai Kartanegara Regency, East Kalimantan Province, Indonesia. This research uses qualitative research methods; meanwhile, data collection methods use field observation and in-depth interviews. Interviews were conducted in stages through a snowball sampling to strengthen the observations' results. The results show that the local economy and livelihood in Berambai Hamlet are under pressure and eroded due to coal mining activities. Livelihood products shrank drastically, especially fish and rice, due to mining waste polluting rivers and agricultural land conversion to mining areas. Furthermore, other sources of income from farmworkers are not enough to fulfill the needs. The government needs to protect their livelihoods as a driving force for the local economy by integrating nature-based life. The government needs to develop local economic potentials, such as tourism areas, crafts, and artworks. The government also needs to strengthen village institutions. It must be carried out together with mining companies seriously. Furthermore, the government needs to maintain the unity of rural spatial and spatial planning.

scholarly journals Combined Mining Technologies for Coal Deposits (Review)

2020 ◽  
Vol 4 (4) ◽  
pp. 230-250
Author(s):  
A. Yu. Ermakov ◽  
V. V. Senkus ◽  
Duc Thang Pham ◽  
Val. V. Sencus ◽  
N. I. Abramkin ◽  
...  
Keyword(s):  
Coal Mining ◽  
Net Present Value ◽  
Land Reclamation ◽  
Underground Mining ◽  
Opencast Mining ◽  
Coal Deposit ◽  
Mining Technology ◽  
Coal Deposits ◽  
Underwater Mining ◽  
Complex Solutions

The paper discusses the main disadvantages of strip and underground mining methods and possibilities of eliminating the disadvantages through introducing a combined technology of coal deposit mining. Combined coal mining technology is the method comprising elements of several geotechnologies, for example, underground and strip mining, as well as, possibly, underwater mining, borehole and other techniques of deposit mining. The combined coal mining technology provides for unified layout for opening, development, production and processing of reserves for the whole LoM on the basis of general technological solutions made in advance. Such complex solutions for opening and development of deposit reserves within the opencast and underground mining contour allows minimizing the volume of openings and reducing the time for commissioning, investment costs, as well as decreasing the costs for aerage, drainage, rock mass hauling and land reclamation. Substantiation of deposit opening options should comprehensively take into account technical, organizational, and economic factors [34–37]. Analysis of the options as exemplified by the Makar’evskoe coal deposit development in Kuzbass allows to conclude that the combined method is promising and promotes increasing optimal volumes of coal production, while reducing the deposit development time by about 15 %, and increase the net present value compared to underground and opencast mining options more than 5 times.

scholarly journals Recultivation and sustainable development of coal mining in Kolubara basin

2010 ◽  
Vol 14 (3) ◽  
pp. 759-772 ◽  
Author(s):  
Ivica Ristovic ◽  
Milan Stojakovic ◽  
Milivoj Vulic
Keyword(s):  
Coal Mining ◽  
Agricultural Production ◽  
Fossil Fuels ◽  
Agricultural Land ◽  
Global Climate ◽  
Mining Industry ◽  
Coal Extraction ◽  
Opencast Mining ◽  
Global Climate Changes ◽  
Surface Mines

Coal plays a fundamental role in global development, but the coal mining industry exerts impact on the environment, society and economy. Kolubara Coal Company produces about 30 million tonnes of coal, and digs about 70 million m3 of overburden per year. The main result of surface coal is certainly taking agricultural land, so that surface mines, which affect large areas in Kolubara, about 100 hectars a year, causing a number of problems related to the recultivation of degraded area after coal extraction. The lignite extraction through the method of opencast mining in Kolubara is about 60 years old. The previous exploitation usage is characterised by the fact that the disposal of overburden is made non-selectively, whereas the surface solum is not being preserved. The recultivation is carried out in parallel with overburden excavation. It is necessary to preserve the fertile solum through selective excavation in order to bring the soil back to its previous purpose - agricultural production. The objective of this paper is mainly to point out the need for the further expansion of the utilization of fossil fuels, which in turn reduces the emission of CO2, and thus reduces or prevents global climate changes on Earth. In addition to that, bringing back deteriorated terrains to their previous purpose - agricultural production, or the afforestation - contributes to the maintenance of ecological balance in nature, which then makes coal mining sustainable.

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