UNDERGROUND

GroundProbe launches GML-Underground

GroundProbe has released GML-Underground for convergence monitoring

Staff reporter
GML-Underground adds laser-based technology to GroundProbe’s range of open-cut and underground systems

GML-Underground adds laser-based technology to GroundProbe’s range of open-cut and underground systems

PRESS RELEASE: GroundProbe officially launched the Geotech Monitoring LiDAR (GML-Underground) at the inaugural International Conference in Underground Mining Technology 2017 in Sudbury, Canada.

The GML is a high-resolution and highly precise convergence monitoring system capable of detecting rock and ground support movement with sub-millimetre accuracy, the technology provider explained.

Lachlan Campbell, GroundProbe’s VP of marketing and technology, commented: “We have taken the best of radar – namely its precision – and added it to the benefits of laser.”

The GML-Underground has a 360°x270° full dome scan coverage; it is not affected by metal, mesh or bolts, and is lightweight, portable and is easy to use.

“We figured out early on that radar is not the right technology for underground monitoring,” explained Campbell.

“It is bulky; it is affected by metal and mesh, and it can be subject to ‘multipath’ – a process whereby radar beams ricochet around the underground tunnel before being measured causing inaccuracies in the data.”

Using GroundProbe’s patented processing technique and software, the GML is 170 times more accurate than existing solutions, the company claimed.

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