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Space radar spots weakness in tunnels
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- Title Space radar spots weakness in tunnels
- Released 22/10/2002 2:29 pm
- Copyright RST
This image shows CRIS (Crack Identification System) at work in a tunnel in a Canadian mine during a recent test campaign. It uses the ground penetration radar technology originally developed by ESA to investigate soil structures on other planets. A special antenna has been developed and allows a 3-D representation of the stone surface identifying the location of crack location and depth from several millimetres to a depth of more than one metre below surface.
- Id 200013