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Strength Calculations of Block Elements of Room-and-Pillar Mining under the Permafrost Conditions
(London : Taylor & Francis Group, 2010)
The paper covers results of rheological properties of gypsum under natural conditions of permafrost and stress-and-strain conditions of room’s roof rocks in gypsum quarries depending upon the ceiling thickness. The ...
Analysis of and Strain Condition of Rock Massif Around the Special Purpose Rooms Using Numerical Method
(Krakow : Instytut Gospodarki Surowcami Mineralnymi i Energia PAN, 2012)
ABSTRACT: the investigation concerning selection and substantiation of special purpose room dimension designed for locating underground dressing mills in condition of magnetite quartzite deposits. Special purpose rooms are ...
Substantiation of chamber parameters under combined open-cast and underground mining of graphite ore deposits
(London : Taylor & Francis Group, 2011)
The move from open-cast to combined mining method of developing Zavalyevsky deposit of graphite is considered in the paper. The selection of chamber dimension satisfying conditions of long-term stability is one of the ...