COVER OF BLASTING SITES BY AUTOMOBILE TIRES Russian patent published in 2008 - IPC F42D5/05 

Abstract RU 2314489 C1

FIELD: mining industry, in particular, mining of hard rocks in hindered conditions, when it is necessary to prevent the spread pieces of the blasted rock mass-at re-activation of temporarily inactive edges of deep pits, blastings near the complexes of cyclic-line production, separation of the edges of deep rock recesses in highway engineering, etc.

SUBSTANCE: the cover of blasting sites by worn-out automobile tires includes wornout outmobile tires placed on the surface of the blasted bulk in the form of a single-layer mat composed of interconnected automobile tires of various dimensions so that the tires of smaller dimensions would be inscribed in the gaps between the types of layer dimensions. The single-layer mat is fastened on the surface of the bench with the aid of ropes or chains for the anchors installed in not deep boreholes beyond the boundaries of the blasted block. A part of the single-layer mat is placed on the high wall and bench bottom so that 1-2 tires would be placed in the mat length. The tires of smaller dimensions are provided from the inside with metal shells and filled with free-flowing material balancing their mass with the mass of the tires of larger dimensions.

EFFECT: enhanced safety of blasting operations due to reduction of scattering of rock traces under the high wall.

3 dwg

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RU 2 314 489 C1

Authors

Leshchinskij Aleksandr Valentinovich

Shevkun Evgenij Borisovich

Urenev Il'Ja Mikhajlovich

Dates

2008-01-10Published

2006-03-27Filed