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A comparison of subsidence prediction models for longwall and room-and-pillar conditions.

Public Domain


Details

  • Personal Author:
  • Description:
    Subsidence is a general lowering of the ground surface as a result of underground mining. Mine operators are mandated by law to determine the effects of subsidence as part of the mine permitting process. Furthermore, because high-extraction mining is progressing towards more urbanized areas, mine operators are becoming increasingly aware of the potential surface effects of mine subsidence. To address the statutory and surface damage questions, mine operators are now trying to delineate the surface areas that will be affected by underground operations. As a result, various subsidence prediction models have been developed. Unfortunately, it is impossible for mine operators to determine which model best suits their needs without prior subsidence knowledge or expertise. The objective of this Bureau of Mines report was to compare some of the more popular methods available for predicting subsidence. Each subsidence prediction model was also compared to subsidence field data collected from a longwall and a room-and-pillar retreat mining site. It is important to note that the comparisons provided in this paper were not made to determine the most accurate model, but to illustrate how each model operates. [Description provided by NIOSH]
  • Subjects:
  • Series:
    Mining Publications
  • ISSN:
    0748-1993
  • Document Type:
    Text
  • Genre:
    Journal Article
  • Place as Subject:
  • CIO:
    National Institute for Occupational Safety and Health (NIOSH)
  • Division:
    PRC - Pittsburgh Research Center
  • Topic:
    Workplace Safety & Health
  • Location:
    North America
  • Pages in Document:
    1-16
  • NIOSHTIC Number:
    nn:10007436
  • Citation:
    Coal Min Technol Econ Policy 1989 Jan; :1-16
  • Federal Fiscal Year:
    1989
  • Peer Reviewed:
    False
  • Source Full Name:
    Coal Mining Technology, Economics, and Policy
  • Collection(s):
  • Main Document Checksum:
    urn:sha-512:7dc847c09aedf140bc731323e8446b4703641ae07d6ad9e7b7238120dab30b8f7dcaa9b938d34d035f87873a0fe7fec262d5d13dcaf290925445e82b6de3b57d
  • Download URL:
  • File Type:
    Filetype[PDF - 168.02 KB ]
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