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Sunday, November 8, 2020 | History

3 edition of Coal mine subsidence found in the catalog.

Coal mine subsidence

Coal mine subsidence

several states may not meet federal insurance program objectives : report to congressional requesters

by

  • 87 Want to read
  • 20 Currently reading

Published by The Office, U.S. General Accounting Office [distributor in Washington, D.C, Gaithersburg, MD (P.O. Box 6015, Gaithersburg 20877) .
Written in English

    Subjects:
  • United States. -- Office of Surface Mining Reclamation and Enforcement,
  • Coal mines and mining -- United States,
  • Insurance -- United States

  • Edition Notes

    Other titlesSeveral states may not meet federal insurance program objectives
    StatementUnited States General Accounting Office
    The Physical Object
    FormatMicroform
    Pagination16 p.
    Number of Pages16
    ID Numbers
    Open LibraryOL14686300M

    Coal Mine Subsidence Compensation Act No 37 Current version for 27 September to date (accessed 15 May at ). Subsidence from longwall coal mining (PDF - KB) Subsidence is a localised lowering of the land surface. It occurs when underground voids or cavities collapse, or when soil or geological formations (including coal seams, sandstone and other sedimentary strata) compress due to changes in moisture content and pressure within the ground. Coal Authority public safety and subsidence helpline Telephone: Monday to Friday, am to 5pm Find out about call charges. Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit to get more information about this book, to buy it in print, or to download it as a free PDF.

    Suggested Citation:"THE SUBSIDENCE PROBLEM."National Research Council. Mitigating Losses from Land Subsidence in the United gton, DC: The National Academies Press. doi: /


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Coal mine subsidence Download PDF EPUB FB2

"Mine Subsidence" means lateral or vertical ground movement caused by a failure initiated at the mine level, of man made underground mines, including, but not limited to coal mines, clay mines, limestone mines, and fluorspar mines that directly damages residences or commercial buildings.

"Mine Subsidence" does not include lateral or vertical. Coal Mine Subsidence Theory Basic Framework of Subsidence Problem. The basic questions asked with regard to subsidence are few in number and seem deceptively simple to answer.

Given an underground opening of known vertical Coal mine subsidence book horizontal dimensions, one wants to know. Coal mine subsidence book PRODUCED BY LONGWALL COAL MINING The mechanical aspects of the subsidence pro­ cess in flat-lying coal bearing rocks mined by longwall methods are reasonably well known, compared to room-and-pillar mining, and are documented abundantly in the literature.

This knowledge may be summarized as follows. WhenCited by: Mine Subsidence Insurance Facts. Coal mine subsidence has been documented in 31 states; InPennsylvania was the first state to Coal mine subsidence book a mine subsidence insurance fund; InIllinois became the second state to offer this coverage.

Coal mine subsidence is the local lowering of the ground surface caused by coal mining. Subsidence processes above underground mines consist of a gradual downwarping of the overburden into coal extraction panels, which causes depressions, or a sudden collapse into individual mine openings, which causes pits.

Underground coal mining has occurred beneath eight million acres of land in the United States, two million acres of which have been affected by subsidence. Most of this mining has taken place in the eastern half of the United States (east of the th meridian) where thousands of acres in urban areas are threatened by subsidence.

Subsidence plays a major role in coal mining activities and in the future use of the land surface above the mine workings. Stresses and deformations produced in mine workings, other coal beds, bedrock, and at the ground surface by the processes of subsidence significantly affect mine safety, extraction efficiency, and the surface environment.

@article{osti_, title = {Mine subsidence}, author = {Singh, M.M.}, abstractNote = {This book presents the papers given at a conference on ground subsidence in underground coal mines.

Topics considered at the conference included a subsidence prediction model, the use of backfill zones and yielding pillars for subsidence control, a simplified computerized method to. The DEP estimateshomes in Allegheny County -- roug in Pittsburgh alone -- are at risk of sinking into the ground from subsidence, the term for a shift in the ground when a mine.

Coal Mine Information System. The Coal Mine Information System (CMIS) is a repository for historical coal mining information in Indiana. It was developed through a cooperative agreement between the Indiana Geological Survey and the Indiana Department of Natural Resources, Division of Reclamation.

Mining Reports Pennsylvania's Annual Report on Mining Activities. Each year the Bureau of Mining Programs issues reports containing information on mine operators, mine names and locations, tons of coal produced, number of employees and hours worked and the number of mining accidents and fatalities.

Background review: subsidence from coal mining activities depth of the mine, the geometry of the mine, the amount of coal extracted and geological and topographical factors.

Suitable methods and models are available for subsidence prediction, including a variety of empirical, analytical and numerical methods. Inactive Coal Mine Subsidence.

Coal mining in Colorado started in the ’s and is a continuing activity in many areas of Colorado. As of AugustFederal and State law requires that potential surface subsidence be taken into account in mining plans. But prior to that time, the effect of mining on the surface was not fully considered.

Searches: coal mining by Practical Law PropertyRelated ContentThis practice note explains when a coal mining search should be carried out, how to make the search, and what information the replies to the enquiries on Form CON 29M () might reveal.

Free Practical Law trialTo access this resource, sign up for a free trial of Practical trialAlready registered. Studies of coal mine subsidence features in a sq. mi area 3–12 mi north of Sheridan, Wyo., indicate that the long-range surface effects of mining thick coal beds underground beneath weak.

Subsidence insurance can be added to your homeowners policy at any time. To be eligible for a claim, your property must be insured prior to any damage from mine subsidence. For more information about coal mine subsidence insurance, contact your insurance agent or the Indiana Subsidence Insurance Fund at the Indiana Department of Insurance.

Subsidence and Room-and-Pillar Mines 4 High-Extraction Retreat Mining 4 Longwall Mining 4 Subsidence 5 History of Subsidence Research 5 Mechanics of Subsidence 6 Subsidence Movements 7 Vertical Subsidence 7 Tilt 7 Strain 8 Subsidence Related to Time and Coal Face Advance 8 Subsidence Monitoring 8 Federal and State Regulations 9 Federal Law 9Cited by: 7.

Mine subsidence is the movement of the ground that can occur after underground coal mining. After coal is extracted from beneath the ground, the land above can sink and fill the hollow mine workings.

This can cause tilts and strains on the ground surface. Sinkhole-type subsidence over abandoned coal mines in St.

David, Illinois: mine subsidence report, St. David, Illinois: a field survey and analysis of mine subsidence of abandoned coal mines in St. David, Illinois / ([Springfield, Ill.]: Abandoned Mined Lands Reclamation Council, []), by Edward George Wildanger, Alberto Nieto, James.

Advances in Coal Mine Ground Control is a comprehensive text covering all recent advances in coal mine ground control, has contributed extensively to the understanding of subsidence from underground coal mining, longwall operations and ground control in underground mines. This book is an essential text for undergraduate and graduate.

Subsidence occurs when large areas of coal are mined and the resulting settlement of roof material into the void (the goaf) results in the surface subsiding over the affected area.

The degree of subsidence that may result from mining will be determined by the thickness of coal extracted, the extent of the area mined, the nature of overburden.

Subsidence from an Underground Coal Mine and Mine Wastewater Discharge Causing Water Pollution and Degradation of Aquatic Ecosystems Article (PDF Available) in Water Air and Soil Pollution ( Thomas M. Barczak, in Advances in Coal Mine Ground Control, Introduction. Longwall mining has had a major impact on both productivity and safety in the US coal mining industry.

Many changes have occurred as longwall mining matured from its infancy in the s. Much of it was experienced based, but there were also focused research efforts that addressed all. However, if the property were to suffer from mining-related subsidence, you wouldn’t claim on your buildings insurance for the cost of Author: Virginia Wallis.

Mine Subsidence Engineering Consultants 3 August CHAPTER 1. INTRODUCTION TO LONGWALL MINING AND SUBSIDENCE The Longwall Mining Process Fig. below, shows a cutaway diagram of a typical longwall mine. The main features of the mine are indicated in the key below the diagram.

The longwall face is indicated by the number 8 in the Size: 1MB. The West Virginia Geological and Economic Survey provides an interactive map of underground and surface coal mining activity in West Virginia. The map shows areas of active and historical coal mining in both underground and surface mines, with separate colors for auger and highwall mining.

Users can zoom in on mining areas and retrieve information for individual mines. A geographic, natural resources computer database was modified to accept data files created from subsurface geological information, mining information, and remote sensor data.

The database files were then used as variables in equations produced to represent relationships among the mapped parameters — geological and mining — which identify areas prone to Cited by: 1.

Mine subsidence is the settlement of a part of the Earth's crust due to removal of subsurface solids or underground excavation. Settlements may vary in magnitude from complete collapse or substantial lowering to small distrotions of the ground surface. Mine subsidence control is the use of techniques to prevent or reduce subsidence movements to avoid or minimize damage to.

Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content and since the s, has been widely used to generate electricity. Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production.

In the United Kingdom and South Africa, a coal mine and its structures are a colliery, a coal mine – a pit. The limits of the mine as established by the coal mine activity permit issued under the act of Ap (1st Sp.

Sess., P.L, No.1), known as The Bituminous Mine Subsidence and Land Conservation Act. Document Type: Book: All Authors / Contributors: Society of Mining Engineers of AIME. Coal Division.; Society of Mining Engineers of and Exploration Division.; Singh, Madan M.

ISBN: Analyses of the surface effects of past underground coal mining in the Sheridan, Wyoming, area suggest that underground mining of strippable coal deposits may damage the environment more over long periods of time than would modern surface mining, provided proper restoration procedures are followed after surface mining.

Subsidence depressions and pits are a. Additional Physical Format: Online version: Planned coal mine subsidence in Illinois. Champaign, Ill.: Illinois State Geological Survey, (OCoLC) Of particular concern are areas underlain by room-and-pillar coal mines.

Unlike areas above longwall mines, where total extraction causes subsidence in a predictable and timely manner, subsidence above room-and-pillar mines is difficult to predict and. Coal extraction has a long and storied history in Colorado.

The estimated value of Colorado coal production in was $ million. Although coal production slightly increased inthe overall decreasing trend in coal production is due primarily to the nationwide increased use of natural gas and renewable energy.

The state fell from the [ ]. This event caused major changes in the mining laws of Pennsylvania today. According to section in the Pennsylvania Anthracite Coal act, just one of 1, sections; Maps of all mines should accurately show the boundary lines of the lands of the said coal mine or colliery and the proximity of the workings thereto, all pipelines, streams or other bodies of water, buildings and structures.

Subsidence Advisory NSW may place conditions on any development within a district to reduce the risk of potential mine subsidence damage. Conditions may include requirements related to the nature and class of any development, the size, height and location of new structures, and the use of certain building materials and construction methods.

Bureau of Abandoned Mine Reclamation. Responsible for resolving problems such as un-reclaimed mine sites, mine fires, mine subsidence, dangerous highwalls, open shafts and portals, mining-impacted water supplies, and other hazards which have resulted from mining performed prior to ; Bureau of District Mining Operations.

Longwall mining of multiple seams has dominated European coal production for decades. In the United Kingdom, the intent is to maximize the gob and to avoid leaving pillars between panels; leaving pillars between panels is known to create stress problems in subsequent workings both above and below.

Entitled “Mine Subsidence & Cut-Throat Waivers,” the program focused on underground mining in the Lackawanna and Wyoming valleys and its lasting effects in the form of land surface subsidence.

Subsidence arising from ground-water withdrawal, oil and gas field activities and underground coal gasification. Subsidence aspects of abandoned mine workings. Effects of mining subsidence on surface structures, design considerations and precautionary measures. Ground movement behaviour as indicated by subsidence models.

Appendix Edition: 1. Subsidence in coal mines 1. Subsidence in coal mines Subsidence can be defined as movement of the ground surface as a result of readjustments of the overburden due to collapse or failure of underground mine workings. Surface subsidence features usually take the form of either sinkholes or troughs.

By: Aakash Deep Singhal (MN).The Indiana Mine Subsidence Program, created by The Indiana State Legislature, protects home and property owners in 26 affected counties in southwestern Indiana along the Illinois Coal Basin.

Due to the nature of the damage, standard policies do not cover mine subsidence claims.