Rock related fatalities and injuries are still reported at an alarming rate in South Africa's
deep to ultra-deep level (1500 m to 4500 m from earth surface) hard rock mining/tunneling …

Efficient dynamic bolt reinforcement is crucial in deep-level gold mines prone to rockbursts.
Deep-level gold mining in South Africa is approaching 4000 m, so appropriate support …

A simple empirical time-dependent chart of extension fracture initiation is described. The
chart was developed using simple borehole periscope observations within the rib pillars …

Historically, the design of the in-stope pillar in underground excavations has been based on
empirical formulae and numerical modelling. Although these design methods have been …

The occurrence of seismicity in high stress underground environments is common and often
leads to underground damage, affecting both the safety and profitability of a mine. To …

Most of South African mechanized and semi-mechanized gold mines in the Witwatersrand
basin are operating at depths ranging from 2.7–3 km below the earth surface. Before a …

According to the annual accident statistics released by the Department of Mineral Resources
(DMR) in South Africa, a significant percentage of fatalities in South African Gold Mines …

The performance of the yielding pillar in a deep level gold mine has been evaluated using
Ground Penetrating Radar, Borehole periscope, and Abaqus Explicit numerical modeling …

In-stope pillars are a common natural support system employed in order to maintain ground
stability in underground excavations. The design of an appropriate in-stope pillar size is …

Efficient dynamic bolt reinforcement is crucial in deep level gold mining prone to rockbursts.
Deep level gold mining in South Africa is approaching 4000 m so appropriate support …