ABSTRACT
Ground Support in Mining and Underground Construction-Villaescusa & Potvin (eds.) © 2004 Taylor & Francis Group, London, ISBN 90 5809 640 8
ABSTRACT: Since 1986, Mt Charlotte used the resin-anchored rebar as the main bolt type. It was installed using a purpose-built machine, and it performed very well. However in 2003, mine operational requirements led to the need for change to a jumbo-installed bolt. Assessment showed that a resin-anchored bolt would best suit the mine requirements. But as no ideal bolt was available on the market, a modification was suggested by Mt Charlotte to DSI, the manufacturer of the Posimix bolt. The new Posimix4 bolt was introduced within two months, and commissioning was successfully completed after a further four months.
