Longwall recovery using grout systems

PRE-DRIVEN recovery road support design incorporating cuttable grout pillars has been combined with the development of a grout delivery system to deliver key productivity and safety improvements during longwall recovery, according to an abstract by Minova Australia’s mining engineers Robert Thomas, Matthew Johnson and Verne Mutton.

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The use of pre-driven recovery roads has improved the overall efficiency and safety of moving longwall equipment from panel to panel, they said in the abstract which be delivered at the Coal Operators

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