bench blasting

bench blasting

[′bench ′blas·tiŋ]
(mining engineering)
A mining system used either underground or in surface pits whereby a thick ore or waste zone is removed by blasting a series of successive horizontal layers called benches.
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References in periodicals archive ?
To understand how a sinking cut is different from a typical bench blast, one must first understand how bench blasting works and a term called the borehole effect.
Gou, "A comparative study of ground and underground vibrations induced by bench blasting," Shock and Vibration, vol.
Rai, "Investigation of crushed aggregate as stemming material in bench blasting: a case study," Geotechnical and Geological Engineering, vol.
Deep-hole bench blasting at a height of 10 m is used in this mine, as illustrated in Figures 1 and 2.
Li, "Numerical analysis of the stability of abandoned cavities in bench blasting," International Journal of Rock Mechanics and Mining Sciences, vol.
The source of seismic vibrations in the Maglovec quarry near Presov was tristichous bench blasting Nr.
Lopez Jimeno, E and Muniz E, 1987 'A new method for the design of bench blasting' 2nd International Symposium On Rock fragmentation by Blasting, Colorado.
The blast design is such that the outer holes are fired and break as in normal bench blasting but the others are too constricted to break sideways and therefore break more like a crater blast by swelling the rock in the axial direction.