It is clear that usually a number of factors result in a rock fall ___________________________________ 3.5 in-situ stress measurement technique for coal mines Objective: Modification of the overlapping borehole method of stress measurement to determine the stress state in the soft rock and coal strata of the coal mines in order to identify areas with high horizontal stresses and provide correct inputs for safer design of coal mines Contact: CSIR Mining Technology, Dr E Sellers Planned Duration: 12 months Total Project Cost: R768 000 Affiliation: SIMRAC Rock Engineering (COL 621) Sponsor: SIMRAC Collaboration: Welcomed in principle Scope: The presence of high horizontal stresses has been identified as the possible cause of instability in the coal mines.
(Modification of the overlapping borehole method of stress measurement; to determine; the stress state) (Engineering; [is] Rock [of]; SIMRAC)
Modification of the overlapping borehole method of stress measurement Engineering
to determine [is] Rock [of]
the stress state
SIMRAC