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Risk Based Design of Ground Support
Author(s):
William Joughin
Date:
Friday, August 19, 2016
First presented:
ACG Conference
Type:
Presentation
Category:
Mining
Purpose of Risk Based Design
- Cater for the inherent variability in rock mass conditions
- To address uncertainty
- To apply engineering judgement
- To enable decisions to made based on the level of risk to the operation
- Risk = probability x consequence
Probabilistic vs Deterministic
- Advantages of probabilistic analysis well known
- Powerful methods of probabilistic analysis developed
Not widely applied in underground mining geotechnical applications
- Additional effort
- Acceptable probabilities of failure?
