burn cut

burn cut

[′bərn ‚kət]
(engineering)
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Because of this, an operation that drills headings using burn cuts has to slash the rib to start a crosscut (or work around a pillar) as illustrated in Figure 4, until the opening is sufficiently large enough to allow the rig to drill, at which point the burn cut can be used again.
Jonathan Burn cut out a McKay pass and immediately fed Greg Kiltie, who in turn slotted through for the former Scotland hitman.
The terrorists shoot and burn cut throats without qualms.
Seaton Burn cut the gap at the top of the Under-12 League to four points when they defeated Willington Quay Saints 2-0.
Using a single relief hole in the burn cut, the length of round that can be pulled in a lateral heading is 0.
In terms of administrative structure, Dennett traces a constant battle to reduce expenses in the industrial branch, culminating in the 1920s when the actuary Joseph Burn cut overhead from 73 percent to 24 percent through a combination of mechanized data processing and streamlined canvassing methods.
In general, a V-Cut will utilize fewer holes than a burn cut by removing the overloaded burn holes and replacing them with angled holes that break to the natural free face.
Seaton Burn cut the gap at the top of the Under-12 Division to only one point when they ran out easy winners at Alnwick Town.
To accomplish this, contractors have adopted the burn cut, replacing the V-cut, to reduce fly-rock and damage to equipment.
The burn cut has also been tested in almost all rock types and can effectively break weak or strong rocks, depending on the design.
The burn cut is one of the older forms of underground blasting, where a part of the blast (the burn) of a shot is heavily loaded with additional empty (relief) holes with the goal of smashing (aka burn) and pushing/blowing all the material in the burn out to provide relief for subsequent blastholes.