Stability of outcrops in blocks reaching the surface
Abstract
At Apatit mines, as a rule, the upper part of ore deposits is exposed at the day surface. During the underground development of blocks of upper horizons, self-collapse of the massif, freezing of the beaten ore, and scattering by explosion are often observed. This leads to large losses of ore ...
Область исследования:
(Archived) Without section
Funding:
None
References
- Fisenko G. L. Stability of the sides of coal pits. Uglegletehizdat, 1956.
- Fisenko G. L. Stability of sides of open pits and dumps. Nedra, 1965.
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