Principal Horizontal Stress Contributing to Massive Roof Collapse at the Subtropolis Mine

Details

• Personal Author:
  Evanek N ; Klemetti, Ted M. ; Miller T ; Rashed G ; Yeley A
• Description:
  In 2015, the Subtropolis Mine in Petersburg, OH, experienced a massive ground collapse that continues to grow over time. Horizontal stress effects have affected the roof at this operation in the past and may have played a large role in this collapse. Horizontal stress can impact the roof and floor stability and endanger the health and safety of underground stone miners. Mines experiencing damaging effects from horizontal stress typically find that the principal stress direction is the same throughout the mine and the region. At the Subtropolis Mine the principal horizontal stress direction appears to change as conditions change and differs from the regional horizontal stress, particularly near the collapse or other roof fall areas. The growth over time of this collapse and other roof falls have been captured and analyzed using geologic mapping, 3D LiDAR scanning, numerical modeling and geographic information systems like ArcGIS. Utilizing these tools to better understand site-specific conditions can be critical to reducing the potential of massive ground collapses in the underground limestone industry. [Description provided by NIOSH]
• Subjects:
  Mining Occupational Health Safety
• Keywords:
  Geologic Structures Ground Stability Horizontal Stress Mine Disasters Mining Industry Roof Falls Underground Mines
• Series:
  Mining Publications
• Publisher:
  Society for Mining, Metallurgy & Exploration (SME)
• Document Type:
  Text
• Genre:
  Proceedings
• Place as Subject:
  Ohio ; OSHA Region 10 ; OSHA Region 3 ; OSHA Region 5 ; Pennsylvania ; Washington
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Division:
  PMRD - Pittsburgh Mining Research Division ; SMRD - Spokane Mining Research Division
• Topic:
  Workplace Safety & Health
• Location:
  North America
• Pages in Document:
  1-9
• NIOSHTIC Number:
  nn:20069457
• Citation:
  MineXchange: 2024 SME Annual Conference & Expo, February 25-28, 2024, Phoenix, Arizona, preprint 24-074. Englewood, CO: Society for Mining, Metallurgy & Exploration, 2024 Feb; :1-9
• Federal Fiscal Year:
  2024
• NORA Priority Area:
  Mining
• Peer Reviewed:
  False
• Source Full Name:
  MineXchange: 2024 SME Annual Conference & Expo, February 25-28, 2024, Phoenix, Arizona, preprint 24-074
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:6be99aa4530ae557ee66baf7080b2f2c792fe206959361ae56d60e440ffc4db470c6b66fc5cc2f6737093e461a0e97816aed424444e080474b7ad121cea691d1
• Download URL:
  https://stacks.cdc.gov/view/cdc/215684/cdc_215684_DS1.pdf
• File Type:
  [PDF - 2.14 MB ]