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New approach developed for pillar stability in deeper Aussie coal mines

AS AUSTRALIAN coal mines go deeper underground new methods of analysing and predicting pillar width and stability will be needed to ensure safety and productivity standards are maintained.

Lou Caruana
Australian mines generally require wider barrier pillars to protect the main roadways even at relatively moderate depths.

Australian mines generally require wider barrier pillars to protect the main roadways even at relatively moderate depths.

Because there is little empirical evidence to draw upon, Australian underground coal mine developers will have to draw on data gathered from deeper coal mines in the US and China. On top of that, parameters...

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