FIELD: mining.
SUBSTANCE: invention can be used in designing and reclamation of shallow pits, mainly with low power of overburden rocks, including at production of building stone. During development of quarry field pit wall is formed outside contours of deposits, and rocks, taken when forming sides, are used for their flattening. Angle of inclination of pit sides is set based on equality of volumes of rocks, required for flattening of sides, and volume of rocks taken outside contours of deposits when forming sides.
EFFECT: reduced volume of soil in mining operations and complete usage of all hollow rocks for reclamation of mined space.
1 cl, 1 dwg
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