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Field Distributed Displacement Monitoring of the Coal

2020-10-10  Appling the approach in the indoor roof settlement model experiment and the field monitoring experiment of roof displacement in an air intake coal roadway of 150313 working face in Yinying Coal Mine during the period of the working face retreating, the experiment results showed that optical fiber strain not only accurately presented the range of roof deformation, but also qualitatively and quantitatively characterized the roof

Displacement and Exploitation in the Jharia Coal Mines

2017-11-30  Displacement and Exploitation in the Jharia Coal Mines, India BORGEN Displacement and Exploitation in the Jharia Coal Mines, India on November 30, 2017 World News JHARIA, India

(PDF) Concerns in Coal Mining Displacement and

2006-2-4  Displacement from the original habitations does not only mean the physical relocation but also the loss of the means of livelihood, often based on the subsistence resources offered by the local...

Research Study on Coal Mining, Displacement and Rural

2018-2-7  6 Picture 5.1: Picture of Bhubaneswari open cast mines 102 7 Picture 5.2: Destruction of road and air pollution due to open coal transportation 102 8 Picture 5.3: Air pollution due to open coal loaded heavy vehicle transportation 103 9 Picture 5.4: Trucks carrying coal without cover 104

Displacement Due to Mining in Jharkhand

opening of 5O new coal mines in the area to achieve the targeted production by 2000 AD, land degradation, air, water and noise pollution will attain alarming proportions. This will have serious economic impact upon the villages and their agrarian population. FOR a proper understanding of the problem of displacement of people due to mining we

Displacement, stress and seismicity in roadway roofs

2008-7-1  The system integrates displacement, stress and seismic monitoring. It has been applied to two roadways in an Australian underground coal mine during two field experiments. The key roof behaviour identified by the integrated monitoring package during the two field monitoring experiments is reported and discussed in this paper.

Bogumil Terminski MINING-INDUCED DISPLACEMENT

2018-9-16  pit coal mining in European countries like Germany and Poland. Although mining-induced displacement is a global phenomenon, problems experienced by the displacees in many parts of the world differ greatly. The largest portion of the displacement is caused by open-pit mining (associated with the extraction of gold, copper, lignite, and diamonds).

Monitoring Underground Mine Displacement Using

2015-2-24  was performed using laser scanning in an underground coal mine, where the displacement was induced by removing material by hand from the ribs. Volume changes as small as 57 cm3, or slightly larger than a golf ball, and as large as 57,549 cm3, were detectable in this environment, despite the change in rib surface reflectance and mine geometry.

Investigation of Fault Displacement Evolution During

2019-11-23  To gain insight on the coal bursts that occurred in Yima mining area, a physical simulation is conducted in this study to characterize fault displacement evolution and analyze the relationship between fault displacement and coal bursts by the digital speckle image correlation method, shear stress measurement and acoustic emission monitoring.

Energy Exploration & Exploitation Methane displacement

2020-7-3  driving face. Safety in Coal Mines 1: 28–31. Liu M, Liang T and Chen Y (2016) Numerical simulation on seepage laws of coal seam water injec-tion. Safety in Coal Mines 12: 195–198. Liu S and Harpalani S (2013) Permeability prediction of coalbed methane reservoirs during primary depletion. International Journal of Coal Geology 113(3): 1–10.

Field Distributed Displacement Monitoring of the Coal

2020-10-10  Field Distributed Displacement Monitoring of the Coal Roadway Roof Underground in Yinying Coal Mines TaoHu, 1Gongyu Hou1, SuBu, 2Yan Wang,3 Ziyi Hu,3Zixiang Li1,Jinping Liang1,Yuliang Zhou1,Haoyong Jing1 1 School of Mechanics and Civil Engineering, China University of Mining and Technology, Beijing100083, China.

(PDF) Concerns in Coal Mining Displacement and

2006-2-4  The ever-expanding and encroaching coal mines in recent years have been. was for mining, which was responsible for 27 percent of the total displacement (coal.

Development and Displacement: The Case of an Opencast

moderating the impact of displacement. Legal and Institutional Framework for Land Acquisition and Resettlement Land for MCL coal mines in Basundhara (East) project was acquired during 1994 under the provisions of the Coal Bearing Areas (Acquisition and Development) Act,

Coal Mining Displacement : Economic and Political Weekly

1996-3-16  India's coal mining industry is seeking a large World Bank loan to upgrade its mines. While displacement caused by coal mining goes unquestioned at the level of policy-making, strong reaction to the trauma it creates is building up at the ground level.

541e1701c3b7c-Underground Coal Mine Methane

2014-10-8  the potential outburst hazard in coal layers, as well as the suffocation hazard of desorbed carbon dioxide, its injection into underground coal mines should be kept to a minimum. Therefore, taking safety and environment issues into consideration, nitrogen (or air: 79.8% N 2) are preferable in the injection process.

Monitoring Underground Mine Displacement Using

In addition to the rib displacement, photogrammetry was selected as a tool for monitoring standing supports in underground coal mines. The additional regulatory restrictions of underground coal may preclude the use of laser scanning in these mines where deformation is most likely to occur.

Displacement Due to Mining in Jharkhand

2020-2-19  opening of 5O new coal mines in the area to achieve the targeted production by 2000 AD, land degradation, air, water and noise pollution will attain alarming proportions. This will have serious economic impact upon the villages and their agrarian population. FOR a proper understanding of the problem of displacement of people due to mining we

‘Coal projects cause people’s displacement, pollution’

2020-7-27  Participants of a provincial conference on Saturday pledged to widen their campaign against coal power plants if not stopped.They said coal projects were causing the displacement of people and...

Coal Burst Mining Geomechanics

Coal burst is a violent collapse of coal walls and/or roofs in underground coal mines. It may happen in the development roadways, at the longwall face or at the chain pillars. As coal mining moves into deeper and more geologically complex ground, the risk of coal burst increases for the for Australian coal

Displacement and Rehabilitation of People Due to

2014-1-10  displacement of more persons without even creating jobs to absorb people. Industries and mines give a job each to the families they displace but ever since the mechanization process starts, the scope of absorbing people subtly begins shrinking8. Company-wise Status of Land Acquisition by Coal India Limited (CIL) and its

541e1701c3b7c-Underground Coal Mine Methane

2014-10-8  the potential outburst hazard in coal layers, as well as the suffocation hazard of desorbed carbon dioxide, its injection into underground coal mines should be kept to a minimum. Therefore, taking safety and environment issues into consideration, nitrogen (or air: 79.8% N 2) are preferable in the injection process.

Development and Displacement: The Case of an Opencast

moderating the impact of displacement. Legal and Institutional Framework for Land Acquisition and Resettlement Land for MCL coal mines in Basundhara (East) project was acquired during 1994 under the provisions of the Coal Bearing Areas (Acquisition and Development) Act,

Coal Mining Displacement : Economic and Political Weekly

1996-3-16  India's coal mining industry is seeking a large World Bank loan to upgrade its mines. While displacement caused by coal mining goes unquestioned at the level of policy-making, strong reaction to the trauma it creates is building up at the ground level.

Bogumil Terminski MINING-INDUCED DISPLACEMENT

2018-9-16  Gold mines in Tarkwa, open-cast copper mines in Papua New Guinea, coal mines in Jharkhand (India), lignite mines in Germany, and diamond mines in Zimbabwe are just a few examples of activities leading to the displacement of large numbers of people worldwide. Today, mining-induced displacement constitutes a major social

Energy Exploration & Exploitation Methane displacement

2020-7-3  driving face. Safety in Coal Mines 1: 28–31. Liu M, Liang T and Chen Y (2016) Numerical simulation on seepage laws of coal seam water injec-tion. Safety in Coal Mines 12: 195–198. Liu S and Harpalani S (2013) Permeability prediction of coalbed methane reservoirs during primary depletion. International Journal of Coal Geology 113(3): 1–10.

Coal Sector Loans and Displacement of Indigenous

2015-2-19  Coal Sector Loans and Displacement of Indigenous Populations Lessons from Jharkhand This paper deals with the issue of displacement of the local communities as part of the Coal India mining project in Parej East in Jharkhand. It analyses the report of the World Bank’s inspection panel, which examined the complaints regarding the handling of

Rock permeability in displacement zones at coal deposits

Rock permeability in displacement zones at coal deposits: A case study of underworked inundated mines Mokhov, A. V. Abstract. Publication: Doklady Earth Sciences. Pub Date: September 2013 DOI: 10.1134/S1028334X13080035 Bibcode: 2013DokES.452..904M full text sources. Publisher |

Methane displacement characteristic of coal and its pore

2020-7-3  High-pressure water injection in coal seams is an effective approach for improving gas extraction efficiency, which is determined by the gas displacement characteristic and pore structure of coal. To investigate the gas displacement characteristics in coal and its pore response and influential factors, gas adsorption and water injection experiments were conducted under different conditions.

‘Coal projects cause people’s displacement, pollution’

2020-7-27  Participants of a provincial conference on Saturday pledged to widen their campaign against coal power plants if not stopped.They said coal projects were causing the displacement of people and...

How Many People Will We Continue to Displace In the Name

2019-2-28  In one such incident in 1996, Coal India was seeking a large World Bank loan to upgrade its mines. Ratnakar Bhengara wrote about how displacement caused by coal mining goes unquestioned at the level of policy-making. Though Coal India had a rehabilitation policy that promised employment to those being displaced, Bhengara found that people were