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Latest Inventions  Ecology METHOD OF SCREENING THE DESTRUCTIVE EFFECTIVE OF EXPLOSION
METHOD OF
SCREENING THE DESTRUCTIVE EFFECTIVE OF EXPLOSION
This method envisages the
procedure of drilling the contiguous holes over the contour of guarded rock mass.
It is distinguished from the ordinary method by the fact that there is created a
stressed-distorted stratum of the rock mass in the interhole space by way of
placing the expansion stay elements in the holes, for instance, a destructive
means (HPC-1).
Patent number: 2151376
Publishing date: July 21, 2000
To make the order on reception of the complete information under the invention, interesting for you
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