DEMICHAIN is a new concept for mechanical demining, in which a horizontal web of heavy chains hung several metres above a surface to be cleared is dropped in a free fall and delivers a mechanical impulse over the whole surface hit by the chains. A pressure wave expands in the soil and is expected to trigger the active landmines. A description of the device is given, as well as comparisons to other demining devices. The author offers that DEMICHAIN provides numerous advantages to current mechanical-demining techniques, though it requires further testing before it can be used in real-life situations.



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