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Evaluation of Mine Parameters for Copper-nickel Deposits of Northern Minnesota.

Authors
St John-CM; Christianson-MC; Peterson-DL
Source
NTIS: PB 80-144074 :112 pages
Link
NIOSHTIC No.
10007110
Abstract
A series of analyses of possible mining excavations associated with the development of copper-nickel deposits of the minnamax site in northeastern Minnesota is presented. Specific areas such as roof- and-pillar stability and excavation orientations are addressed. The majority of these analyses were conducted using a boundary element method but some cases were also analyzed using the finite element method. Comparable results were obtained using the two methods but the boundary element method required less data preparation time and computer run time. Results of the analyses, as well as indicating the capabilities of geotechnical numerical models, provide some insights into behavior around multiple excavations in jointed rock.
Publication Date
19790101
Document Type
CP; Final Contract Report;
Fiscal Year
1979
NTIS Accession No.
PB80-144074
NTIS Price
A07
Identifying No.
OFR 10-80
Source Name
NTIS: PB 80-144074
State
MN;
Performing Organization
University of Minnesota
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