Gravity sensing

Researchers are developing the next generation of gravity sensors capable of detecting deep-underground hazards such as sinkholes, mineshafts and landslides faster and more precisely. This means potential catastrophes can be spotted earlier and averted.

What lies beneath the ground, and why do we need to know?

Unknown underground conditions present the largest single risk in infrastructure projects and cause significant delays and cost overruns, potentially costing up to half a percent of the gross domestic product of the country, and gravity sensors promise to detect problems before the start of construction. Understanding what lies beneath the ground would also help to protect the existing infrastructure and necessitate fewer, less invasive roadworks. If a rail track can be surveyed weekly, landslips could be spotted before it is too late.

Underground tunnel detection

Successful sensor validation at sea

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