Between-hole acoustic surveying and monitoring of a granitic rock mass

Technical Report · Thu Jan 31 23:00:00 EST 1980

DOI:https://doi.org/10.2172/5381795· OSTI ID:5381795

Paulsson, B N.P.; King, M S

The purpose of this technical note is to present preliminary results of an acoustic monitoring study performed as part of a comprehensive rock mechanic and geophysics research program (Ref.20) associated with large-scale heater tests in an abandoned iron-ore mine in central Sweden. The investigation was performed in a fractured granitic rock mass at a sub-surface depth of 340 m, in a drift adjacent to the original iron-ore mine workings. Acoustic monitoring took place between four empty, dry, vertical boreholes of 10 m depth spaced in the vicinity of a vertical heater borehole in the floor of a drift.

• Research Organization: California Univ., Berkeley (USA). Lawrence Berkeley Lab.
• DOE Contract Number: W-7405-ENG-48
• OSTI ID: 5381795
• Report Number(s): LBL-10483
• Country of Publication: United States
• Language: English

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