Seismic remote sensing of rock masses for the optimization of excavation efficiency

A seismic remote sensing technique and the associated microprocessor-based instrumentation are described, as part of three phases of a research project into the design of efficient blasting/fragmentation systems in opencast mining. The experimental program outlined involves the remote assessment of rock quality before and after a blast, together with the monitoring of the associated ground vibration and escalation process in order to assess blast fragmentation efficiency. An overview of the experimental program and instrumentation is given together with preliminary results from phase three of the research.