Blast Vibration Modeling with Radar

Project goal: To evaluate the capability of the IBIS-FB radar in predicting vibrations during blasting. A secondary objective was to develop a centralized data interface system to handle data from seismographs and the IBIS-FB. Data was collected using the IBIS-FB and seismograph concurrently at a local mine. Because the radar transmits uni-directionally and seismographs read tri-directionally, the radar and seismograph were aligned in the radial direction. Analysis was done by creating regression curves plotting peak particle velocity against scaled distance for the radar, the seismograph, and a set of combined radar and seismograph data. The database created was used to build a heat map of the propagation of blast vibrations using seismographs or radars, or both. Blasting parameters were run through empirical models based on the developed regression curves and target digital terrain model to generate peak particle velocity versus scaled distance predictive heat map overlays.