Modify Selection
- Tasks and activities:
- Mine design
- Document types:
- Information Circulars
Home Links
Results 1 - 5 of 5
-
3/1/1997 - Information CircularsThis proceedings volume contains papers presented at technology transfer seminars sponsored by the National Institute for Occupational Safety and Health (NIOSH) on New Technology for Ground Control in Retreat Mining.
-
6/1/2009 - Information CircularsThis paper examines four different stress analysis programs or tools for analyzing stress around a single longwall panel at 610 m (2,000 ft) depth beneath overburden containing some strong strata.
-
5/1/2007 - Information CircularsThe goal of this study is to help identify the location and likely severity of multiple-seam interactions. Mine planners can use this information to adjust the ground support, pillar design, or mine layout to minimize the hazard.
-
1/1/1987 - Information CircularsInformation was collected at 5 bump-prone mines. Among the findings, two geologic conditions have been found to cause bumps in the eastern U.S.: relatively thick overburden and extremely rigid strata immediately above and below the mine coalbed.
-
1/1/1977 - Information CircularsAn updated Bureau of Mines manual for the design of surface mine haulage roads. Covers such aspects as road alignment, construction materials, cross slope, drainage provisions and more.
Home Links
Content source: National Institute for Occupational Safety and Health, Mining Program