Ten Advantages of Using Televiewer Surveys in Geotechnical Mining Studies
Televiewer surveys consist of a continuous log of orientated, unwrapped images of drillhole walls. Two complementary methods are available: an ‘acoustic televiewer’ (ATV), which uses an acoustic signal from a rotating sonar transducer and an ‘optical televiewer’ (OTV), which uses a high-resolution digital colour camera equipped with a light source.
Acoustic and optical televiewers are becoming routinely used to capture structural geotechnical data for use in pit slope and underground design. They provide rapid and accurate high-resolution oriented images of the borehole walls and can be used as a replacement for manual core orientation techniques.
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