RI 6571 Development of a Hydraulic Device for Measuring Relative Pressure Changes in Coal During Mining- A Progress Report
- Organization:
- The National Institute for Occupational Safety and Health (NIOSH)
- Pages:
- 22
- File Size:
- 11441 KB
- Publication Date:
- Jan 1, 1964
Abstract
A relatively simple and inexpensive encapsulated hydraulic device has
been developed by the Bureau of Mines to facilitate study of coal bumps , and
to measure pressure changes in a coalbed as it is subjected to roof loading
during mining . Construction of the device and application techniques are
described .
Preliminary feasibility tests in the laboratory and field indicate that
the device responds satisfactorily to pressure changes in coal created by roof
loading .
Citation
APA: (1964) RI 6571 Development of a Hydraulic Device for Measuring Relative Pressure Changes in Coal During Mining- A Progress Report
MLA: RI 6571 Development of a Hydraulic Device for Measuring Relative Pressure Changes in Coal During Mining- A Progress Report. The National Institute for Occupational Safety and Health (NIOSH), 1964.