Evaluation of a Mine Panel Failure Using the Local Mine Stiffness Criterion – a Case Study

Details

• Personal Author:
  Morsy K ; Peng SS
• Description:
  A new method of pillar stability evaluation was proposed. The unique feature about the method is that it estimates two types of stability factors for the pillar. The first stability factor is to measure how much the applied stress at that point is smaller than its strength, and the second stability factor is to predict whether or not the pillar will fail violently. The strain-softening behavior of coal pillars was simulated by the Drucker-Prager yield criterion. A new algorithm that simulates the strain-hardening behavior of the gob was used. A numerical technique to estimate the local mine stiffness (LMS) was introduced and verified by both numerical and analytical methods. A case of massive pillar failure in a room-and-pillar mine was used to define the stability limits for the proposed method. [Description provided by NIOSH]
• Subjects:
  Case Reports Coal Coal Mining Engineering Geology Mining Occupational Exposure Occupational Health Safety
• Keywords:
  Case-studies Coal-mining Engineering-controls Ground-control Ground-stability Mining-industry Models Occupational-hazards Rock-bursts Rock-falls Rock-mechanics

  More +
• ISBN:
  1873352297
• ISSN:
  1075-8623
• Publisher:
  Society for Mining, Metallurgy, and Exploration, Inc.
• Document Type:
  Text
• Funding:
  Grant
• Genre:
  Journal Article
• Place as Subject:
  OSHA Region 3 ; West Virginia
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Topic:
  Workplace Safety & Health
• Location:
  North America
• Pages in Document:
  8-19
• Volume:
  312
• NIOSHTIC Number:
  nn:20024628
• Citation:
  Trans Soc Min Metall Explor 2003 Jan; 312:8-19
• Editor(s):
  Yernberg WR
• Federal Fiscal Year:
  2003
• Performing Organization:
  West Virginia University Research Corporation, Morgantown, West Virginia
• Peer Reviewed:
  True
• Start Date:
  20000930
• Source Full Name:
  Transactions of the Society for Mining, Metallurgy, and Exploration
• End Date:
  20030929
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:487b0b1713b24d345411f090a7a12b233f91d27959c4784943f55f34882986e5b1ff86fb40363d2e63b9e927ccd65148d338760c52b405354c50c4c963fd2bc3
• Download URL:
  https://stacks.cdc.gov/view/cdc/196336/cdc_196336_DS1.pdf
• File Type:
  [PDF - 1.83 MB ]