OFR-71-81 Application Of Weathering Protection At The Face
- Organization:
- The National Institute for Occupational Safety and Health (NIOSH)
- Pages:
- 51
- File Size:
- 13106 KB
- Publication Date:
- Jan 1, 1980
Abstract
The U. S. Bureau of Mines in their continuing research into sealants, selected MBAssociates to design, build, and test equipment and evaluate sealant as to its effectiveness is shale degradation. There were 20,050 sq.ft. of coal mine roof sprayed with a mine sealant and as a result, it has been estimated that the sealant coated roof has from 50% to 95% less roof falls than that roof which was not coated with sealant.
Citation
APA: (1980) OFR-71-81 Application Of Weathering Protection At The Face
MLA: OFR-71-81 Application Of Weathering Protection At The Face. The National Institute for Occupational Safety and Health (NIOSH), 1980.