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Use of Steel Sets in Underground Coal.
Stears JH; Serbousek MO; Hay KE
MISSING :16 pages
This Bureau of Mines report presents information on the use of steel supports in U.S. coal mines, including accident statistics for a 3- yr period and a survey of present applications and problems. It also contains a summary of available steel arch configurations and a description of steel support design criteria for ground control applications.
IH; Information Circular;
Page last reviewed: November 12, 2021
Content source: National Institute for Occupational Safety and Health Education and Information Division