Modify Selection
- Mine locations, excavations, and structures:
- Barrier pillars
Home Links
Results 1 - 10 of 12
-
8/20/2013 - PC softwareA software program for designing web and barrier pillars for Highwall Mining.
-
8/20/2013 - PC softwareSoftware for designing pillars for room-and-pillar retreat mining.
-
2/1/2010 - Unpublished documents and reportsIn the FY 2008 Appropriation (Public Law 110-161), Congress directed NIOSH to conduct "a study of the recovery of coal pillars through retreat room-and-pillar mining practices in underground coal mines at depths greater than 1,500 ft." This report inclu...
-
2/1/2005 - Conference papersHighwall stability remains a major concern during highwall mining. Geologic structure (hillseams) and pillar stability are the two major factors affecting highwall stability.
-
1/1/2000 - Conference papersThe practical application of the "advance and relieve" method is discussed. A trial of the method was conducted for a room and pillar coal operation that was experiencing roof cutters and long running roof falls caused by high horizontal stresses.
-
11/1/2019 - Non-peer reviewed journal articlesAn article discussing NIOSH's research on gas well stability in longwall pillars.
-
10/22/2016 - News articlesA short feature story describing NIOSH products on retreat mining.
-
7/1/2009 - Conference papersThis paper provides an overview of current deep cover pillar recovery practice.
-
3/1/2006 - Technology NewsThe use of highwall mining systems has increased substantially in open-pit coal mines. It is used where overburden depth exceeds economical recovery. Highwall stability remains the major safety concern during highwall mining. The Mine Safety and Health ...
-
8/1/2005 - Conference papersThe objective of this is paper is to review the current state of knowledge and practice in highwall mining.
Home Links
Content source: National Institute for Occupational Safety and Health, Mining Program