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Geotechnical design of the McLellan Mine, Lynn Lake, Manitoba Rotzien, Joey Lou
Abstract
The overall objective of any geotechnical mine design procedure must be to maximize the extraction of the ore reserves while maintaining the integrity of the working areas. At the McLellan Mine the cut-and-fill mining method was first adopted. This decision was made for flexibility in the size and shape of the mine openings to allow for the variability in width and grade of the ore zone. As a result the geotechnical design of the cut-and-fill stopes necessitated investigations to evaluate the character of the rock mass with regard to the hydrogeology, lithology, structural geology, rock strength and rock mass ratings at the site and to assess the in-situ stress conditions. In addition, the character of the backfill material had to be estimated prior to detailed testing. Based upon these parameters two dimensional finite element analyses were completed, the sill pillar and the two stopes were designed. Finally, remedial rock reinforcement was recommended for suspected unstable spans.
Item Metadata
Title |
Geotechnical design of the McLellan Mine, Lynn Lake, Manitoba
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Creator | |
Publisher |
University of British Columbia
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Date Issued |
1989
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Description |
The overall objective of any geotechnical mine design procedure must
be to maximize the extraction of the ore reserves while maintaining the integrity of the working areas. At the McLellan Mine the cut-and-fill mining method was first adopted. This decision was made for flexibility in the size and shape of the mine openings to allow for the variability in width and grade of the ore zone.
As a result the geotechnical design of the cut-and-fill stopes necessitated investigations to evaluate the character of the rock mass with regard to the hydrogeology, lithology, structural geology, rock strength and rock mass ratings at the site and to assess the in-situ stress conditions. In addition, the character of the backfill material had to be estimated prior to detailed testing.
Based upon these parameters two dimensional finite element analyses were completed, the sill pillar and the two stopes were designed. Finally, remedial rock reinforcement was recommended for suspected unstable spans.
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Genre | |
Type | |
Language |
eng
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Date Available |
2010-11-02
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Provider |
Vancouver : University of British Columbia Library
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Rights |
For non-commercial purposes only, such as research, private study and education. Additional conditions apply, see Terms of Use https://open.library.ubc.ca/terms_of_use.
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DOI |
10.14288/1.0081143
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URI | |
Degree | |
Program | |
Affiliation | |
Degree Grantor |
University of British Columbia
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Campus | |
Scholarly Level |
Graduate
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Aggregated Source Repository |
DSpace
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Item Media
Item Citations and Data
Rights
For non-commercial purposes only, such as research, private study and education. Additional conditions apply, see Terms of Use https://open.library.ubc.ca/terms_of_use.