Shield convergence data the key to longwall shield performance

AN ACARP project has demonstrated that it is not possible to obtain a reliable understanding of how longwall shield supports interact with the strata from leg pressures alone.

Shield convergence data the key to longwall shield performance Shield convergence data the key to longwall shield performance Shield convergence data the key to longwall shield performance Shield convergence data the key to longwall shield performance Shield convergence data the key to longwall shield performance

Whitehaven's Narrabri mine in NSW.

It was demonstrated that a much greater understanding of shield-strata interaction was possible from shield convergence measurements.