Predictive index for slope instabilities in open pit mining. Niosh, to improve recognition of slope stability hazards at surface mines. The slope stability radar has been developed to remotely scan a rock slope to continuously monitor the spatial deformation of the face. Pdf case studies of slope stability radar used in open. Pdf case studies of slope stability radar used in open cut mines. Monitoring and evaluating of slope stability for setting out of critical. The slope stability radar ssr has been developed to better manage those risks.
This is especially true when the mine workings are close to a. The ibis controller creates 3 types of files, during each scan. Scanning at a rate of 10sec over a range of 60 vertically and 340 horizontally, the system continuously monitors the slope face for deformation. To receive documents or more information about occupational safety and health topics. Pdf slope stability radar for monitoring mine walls researchgate. Pdf slope stability radar for monitoring mine walls.
The ssr remotely scans rock slopes to continuously measure any surface movement and can be used to detect and alert users of wall movements with submillimetre precision. The ssr remotely scans rock slopes to continuously measure any surface. Firstly, as a coloured rainbow plot of total movement which quickly enables the user to determine the extent of the failure and where the greatest movements are occurring which is useful to characterise the type of failure. The data from the slope stability radar is presented in two formats. The use of slope stability radar ssr in managing slope. It has used for slope stability radar ssr, ground field control point.
An analysis of the accidents in opencast mines revealed that slope failure and. Applications of groundbased radar to mine slope monitoring cdc. Review of radar system performance and estimation of slope. Data tables on field experiments using radar to detect mining hazards.
Ids georadar is an italian company, designing and providing products and services for subsurface investigation, investigations and monitoring of structures, and slope stability monitoring. The groundprobe slope stability radar ssr was developed to provide an. Slope stability radar alarm threshold validation at telfer. Using differential radar interferometry, the system can detect deformation movements of a rough wall with submillimeter accuracy. Selecting an appropriate time to exclude personnel or. Slope stability radar for monitoring mine walls spie digital library.
Slope stability is crucial for safety in operations during open pit mining. Applications of groundbased radar to mine slope monitoring. Pdf determining slope stability in a mining operation is an important task. These projects have been transferred through text files, separated by tab. System sciences and earth natural hazards stability of. Defining critical velocity ranges and observing and documenting typical deformation trends that occur prior to collapse is also important. The system, known as slope stability radar ssr, uses real aperture, 2 beamwidth radar to scan a slope both vertically height and horizontally azimuth. Corestones at the slope face clayinfilled relict joint parallel to the slope face relict joint surfaces within weak matrix fig. Slope stability radar alarm threshold validation at telfer gold mine p saunders et al.