A Coal Mine Dump Stability Analysis—A Case Study

A Coal Mine Dump Stability Analysis—A Case Study() . The present paper mainly deals with a case study of failed dump slope in western coalfield limited, Nagpur, India. A huge mass of debris flow had happened during the routine the activity of mining. The failed dump had a height of 75 m with 43? slope angle which had slipped forward by 18m.

University of Wollongong Research Online

2020-10-13 · For high-value commodities such as coking-coal, economic depths in excess of 275 m are currently underway in Australian coal mines, with plans to progress to 350 m or more. This translates to mine spoil dumps potentially reaching heights of up to 450 …

An analysis of self-ignition of mine waste dumps in terms ...

2021-4-23 · Coal mine waste dumps are mostly composed of claystones, mudstones, sandstones, conglomerates, carbonates, carbonaceous shales, and pyrite-bearing carbonaceous rocks 7,8. The thermal activity of ...

Waste Management for Mine Solid Waste

2011-9-2 · The~ sight of mine waste dumps is evident aso~ne enters the minin~ towns of Kabwe. and those on the Copperbe It. Some of these dumps are over 80 years old and dormant while others are sii~l active dum;ing sites. These sites are located either within or outside population centers. The Mining regulations (dumps) promulgated in the early 1970''s ...

(PDF) A review on utilisation of coal mine overburden …

The existing coal mine overburden dumps might be a good alternative for sand and provide a sustainable mining practice. Geotechnical and physicochemical …

MSHA

2014-7-18 · occupational injury and illness experience of coal mining in the United States for 2010. Data reported by operators of mining establishments concerning work injuries are summarized by work location, accident classification, part of body injured, nature of …

MINE WASTE FAILURE: AN ANALYSIS OF EMPIRICAL …

2021-1-28 · Mine waste dumps, also known as overburden piles, stockpiles, spoil heaps and tips, are some of the largest man-made structures in the world. The instability of these structures can have an adverse affect on ... cases lie outside of the coal mine failure database, which is …

OVERBURDEN DUMP SLOPE STABILITY: A CASE STUDY …

2013-12-19 · that dumps do not slide and causes any untoward incident/ accidents. Overburden dumps can be external dumps created at a site away from the coal bearing area or it can be internal-dumps created by in-pit dumping concurrent to the creation of voids by extraction of coal. Practice of dumping overburden in the external dumps has some serious problems.

Coal mine with strip mining dumps in background. A …

Coal mine with strip mining dumps in background. A problem in destructive land use. Cherokee County, Kansas Contributor Names Rothstein, Arthur, 1915-1985, photographer Created / Published 1936 May. Subject Headings

Coal mine with strip mining dumps in background. A …

Coal mine with strip mining dumps in background. A problem in destructive land use. Cherokee County, Kansas Contributor Names Rothstein, Arthur, 1915-1985, photographer Created / Published 1936 May. Subject Headings ...

Fire Prevention in Coal Waste Dumps: Exemplified by the ...

2015-1-1 · The experience gained from similar monthly monitoring carried out in the dumps of Marcel, Anna, Chwałowice, and Rydułtowy coal mines led to modifications in fire prevention methods in these and the Rymer Cones dumps—dumps where there is the possibility of …

Thermall Processes at Old Mining Dumps and Their ...

2013-9-8 · old mining dumps. Index Terms — Mining dump, thermal process, temperature monitoring, heat collect, measurement I. INTRODUCTION URRENTLY, one of the negative consequences of mining coal is occurrence of extractive waste storage locations - mine dumps, many of which show presence of thermal processes. Their development is allowed due to a

Coal mining waste dumps as secondary deposits – …

2015-6-4 · The coal mining waste dumps are spread within the area of over 4,000 ha in more than 220 dumping sites, where over 760 million Mg of wastes from hard coal mining have been disposed. One of the most recent problems in Poland is the recovery of coal from mining waste. There is a possibility

A note on design parameters for in-pit coal waste dumps …

A note on design parameters for in-pit coal waste dumps in weak rock PJN Pells Pells Consulting, Australia Abstract This paper summarises data from two very large slip failures of in-pit coal mine waste dumps in weak, slaking, claystones and siltstones in equatorial high rainfall areas. It explains why it …

How mine dumps in South Africa affect the health of ...

2018-5-2 · Mining is a major economic activity in many developing countries. In South Africa, mining of gold, coal and other natural resources has played a significant role in the country''s economy, with ...

Adverse effects of coal mine waste dumps on the ...

2013-1-31 · Coal mining generally produces very high volumes of waste. In underground coal mining, these waste dumps are often located in areas of shortest hauling distance from mine openings. These dumps are the active sources of environmental impacts that can endanger and/or threaten both ecological and social systems in a region.

Improving coal dumps with ... grass

Master Mien added that the idea of growing vetiver grass to improve coal dumps comes from the research and experience of some countries that have applied as Australia, America, South Africa, Spain. These countries grow vertiver grass for the improvement of waste dumps for coal, gold and bauxite mining . and bring high efficiency.

(PDF) IDENTIFICATION OF FAILURE SURFACES IN …

Overburden dumps are an integral part of open pit coal mining. With an increase in the mining activity to meet the energy demands, the volume of overburden dumps in the open pit mines is also increasing. Draglines being the most versatile excavating

Very High Coal Mine Spoil Dumps

2020-6-27 · Very High Coal Mine Spoil Dumps reliable by design The design of open cut coal mine spoil dumps has entered a new era of reliability with specific guidance on the applicability of the widely used BMA shear strength framework to very high (exceeding 350m) dumps and non-compliant spoils.

The Model of Direct Dumping Technology Implementation fo…

(PDF) A review on utilisation of coal mine overburden dump wast…

(PDF) Restoration of a coal-mine overburden dump

According to Ghose (2004), every year, opencast mining of coal damages a surface area of about 4 ha in India degrading the original potential and quality of soil ( Barpanda et al. 2001).

Experience In Coal Mining Dumps

Experience In Coal Mining Dumps: A Coal Mine Dump Stability Analysis A Case Study. 2013-12-24 · nal dumps have taken place in coal mines. It is necessary to study such cases and find out the cause of destabiliza-tion. 2. Destabilization of Internal Dumps . Experience in collecting heat at …

Increase of Efficiency of Extinguishing of Rock Dumps on ...

2019-6-21 · As the experience of the use of swollen . ... the newly formed lead oxides were hydrated by rain and soil water in the mine dumps producing basic lead phases. ... Coal mining wastes are prone to ...

A Coal Mine Dump Stability Analysis A Case Study

2013-12-24 · nal dumps have taken place in coal mines. It is necessary to study such cases and find out the cause of destabiliza-tion. 2. Destabilization of Internal Dumps . Failure of internal dumps is a complex problem. In addi-tion to environmental considerations, it directly affects the resource recovery, mine safety and mining cost.

(PDF) A Coal Mine Dump Stability Analysis—A Case Study

Abstract and Figures. The present paper mainly deals with a case study of failed dump slope in western coalfield limited, Nagpur, India. A huge mass of debris flow had happened during the routine ...

NATIONAL INVENTORY DISCARD AND DUFF COAL – …

2011-3-9 · Ninety-four percent of the discard tonnage was from bituminous coal mining operations while six percent was from anthracitic coal mining operations. Figure 1 shows the breakdown between active and defunct discard dumps. Figure 1 DISCARD DUMP TONNAGES 0 5 10 15 20 25 30 35 40 0-5 5-10 10-15 15-20 20-25 25-30 TONNE x 106 NUMBER OF DUMPS ACTIVE ...

(PDF) A review on utilisation of coal mine overburden …

The existing coal mine overburden dumps might be a good alternative for sand and provide a sustainable mining practice. Geotechnical and physicochemical characterisation is required to evaluate ...

Experience in collecting heat at the Hedvika and Krimich ...

2016-1-1 · This paper describes experience in systems for collecting heat from the thermally active Hedvika and Krimich mining dumps. The Hedvika mining dump is located in Moravia-Silesia Region in the municipality of Petvald; the Krimich mining dump is located …

STUDY OF STABILITY OF OVERBURDEN DUMPS MIXED …

2013-12-10 · NATIONAL INSTITUTE OF TECHNOLOGY ROURKELA CERTIFICATE This is to certify that the thesis entitled, "Study of Stability of Overburden Dumps Mixed with Flyash in an Opencast Coal Mine" submitted by Sri Raj Chakravarty, 109MN0106 in partial fulfillment for the award of Bachelor of Technology in Mining Engineering at National Institute

Radioactivity of dumps in mining areas of the Upper ...

Underground coal mining is associated with large quantities of gangue. In the past, the majority of gangue was not utilized but was placed in the vicinity of the coalmines forming cone-shaped dumps. Some of them contained even millions of tons of rock. Nowadays, environmental precautions extort larger utilization of any kind of waste materials, for example in road construction, civil ...