Slope Stability Risk Management in Open Pit Mines: A Hazard Zonation Investigation Along Jwaneng Mine CUT-8 Haul Roads

Project: Research project

Project Details


 Rockfalls present a major safety hazard in open pit mining, predominantly in large scale deep pits. Generally, slopes of an open pit mine are excavated to the steepest angle possible. Steeper slope angles are economic; however, they result in an increased risk of slope failure in combination with other causative factors. Geotechnical zoning allows accurate risk prediction for potential loss of stability elements at different stages of the pit development.

 The failure of these slopes is a result of factors such as slope geometry (angle & height), type of lithology, geological discontinuities, seismicity, etc.

 Evaluation of the stability of excavated slopes is a vital component of any open pit mine and for smooth operations.

Layman's description

Protection of the slope and walls on the Haul Road

Key findings

Hazard Zonation Map
Short titleLHZ
Effective start/end date4/1/233/31/25


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