Report of Investigations 9243: Backfill Properties of Total Tailings

Details

• Journal Article:
  MISSING
• Personal Author:
  Atkins, Lynn A. ; Boldt, Christine M. K. ; McWilliams, Paul C.
• Description:
  This U.S. Bureau of Mines report presents a study of three typical tailings samples as potential cemented backfill in underground mines. The testing series was unique in that the pulp densities of the samples were all above 75 pct solids. Test results included dry density; slump; percent settling after 28 days of curing; tensile strength after 28, 120, and 180 days of curing; and unconfined compressive strengths after 7, 28, 120, and 180 days of curing. The physical properties of the various test mixtures were further analyzed using linear and nonlinear statistical methods to produce correlations and mathematical equations. Physical properties were used to determine the influence of mix additives and as input for numerical modeling studies of backfill. The mathematical relations were used as a predictive tool in determining the suitability of various materials as backfill. [Description provided by NIOSH]
• Subjects:
  Mining Occupational Health Safety
• Keywords:
  Mining; Underground mines; Tensile strength; Compressive strength; Physical properties; Statistical analysis; Mathematical models
• Source:
  MISSING 1989; :1-21
• Series:
  NIOSH Numbered Publications   ; Mining Publications  
• Subseries:
  Report of Investigations
• Document Type:
  Text
• Genre:
  Report
• Place as Subject:
  OSHA Region 10 ; Washington
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Division:
  SRC - Spokane Research Center
• Topic:
  Workplace Safety & Health
• Location:
  North America
• Pages in Document:
  26 pdf pages
• NIOSHTIC Number:
  nn:10007055
• Federal Fiscal Year:
  1989
• Peer Reviewed:
  False
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:7d693bcd7c08d96b2a10b581e5c03c3ee7ff3ba67c5b17a5784969362b709cf6a8c8a3f68d3a9c030ce67f772d4915dbbc6882e942921959f53de9e765307f18
• Download URL:
  https://stacks.cdc.gov/view/cdc/10326/cdc_10326_DS1.pdf
• File Type:
  [PDF - 958.18 KB ]