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Conference Proceedings

Seventh Underground Operators' Conference

Conference Proceedings

Seventh Underground Operators' Conference

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Woodlawn Mine - Ground Control Challenges and Solutions

The Woodlawn Mine near Canberra faced the challenge of poor ground conditions from the commencement of underground operations 1987. Talcose shears bounded the dense massive sulphides on both the hangingwall and footwall side of the orebody. In another area the talc existed not only on the edges of the orebody but through out it as well. The country rock was relatively weak shales compounded by a low stress environment that allowed the wall rocks to fall apart quite easily. The challenge for the operators was to overcome the poor ground conditions. This was done by attacking the problem from three directions:
technology,how technology is applied,human relations and leadership by all levels of the Management team, andby ensuring that these processes meshed together well.
Woodlawn in it early days as an underground mine enlisted the assistance of BFP (Formerly Barrett Fuller and Partners) as a second set of eyes to assist with the assessment of the ground control procedures. The results are discussed in this paper. The progression to this end result included:
non-contract payment systems;ground control training for the full range of mining personnel;the development and enhancement of cable bolting and shotcreting equipment;the development of Practical Standard Work Procedures by mine operators; andinnovative use of shotcrete and cables bolts to control extremely poor ground conditions.
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  • Published: 1998
  • PDF Size: 0.166 Mb.
  • Unique ID: P199803017

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