Acid Mine Drainage Risk Assessment in Waste Rock Dumps: A Fuzzy Fault Tree and TOPSIS-Based Approach

Key Points

• Risk assessment indicates significant potential for acid mine drainage in waste rock dumps.
• The fuzzy fault tree method produces a risk score of 0.78, illustrating considerable risk factors.
• Assessment using a fuzzy fault tree and TOPSIS framework prioritizes management actions effectively.
• Highlights the need for improved management strategies to mitigate acid mine drainage risks in mining environments.