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TV Borehole Inspection And Vacuum Testing Of Roof Strata
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Citation (Style = APA)
Herget, G. (1982). TV Borehole Inspection And Vacuum Testing Of Roof Strata. Proceedings Second Conference On Ground Control In Mining
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Reference Manager (RIS)
SpreadSheed (CSV)
Herget, G. (1982). TV Borehole Inspection And Vacuum Testing Of Roof Strata. Proceedings Second Conference On Ground Control In Mining
Citation Downloads
Reference Manager (RIS)
SpreadSheed (CSV)
Organization: International Conference on Ground Control in Mining
Pages: 5
Publication Date:
Jan 1, 1982
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Abstract
Abstract
| To improve quality control of roof conditions, a program was carried out at Elliot Lake uranium nines in Ontario, Canada to test a portable TV camera system. This camera has a 29 mm diameter probe and is capable of identifying crock locations, crack width and approximate dip direction. The extent of fractures to the roof was checked with the aid of a vacuum system by placing packers in various boreholes and checking for communication. The removal of some rock bolts indicated an increase in fracture extent. |
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