Simulation of ERT surface-to-tunnel measurements.
Résumé
The applicability of surface-to-tunnel electrical resistance tomography (ERT) measurements using a simulation tank for imaging subsurface targets is studied in this work. The tank was filled with water and inside of it was placed firmly a plastic construction where all targets were placed. Some of the targets that used were: a void plastic cylinder (resistive target) and metal plates (conductive target). Data were collected with a multichannel resistivity meter. The initial scope for these tests was to verify the reliability of developed inversion
software which was modified to cope with the specific measurements (surface-totunnel). Furthermore, during several experiments different electrode arrays (standard as well as new optimized) were validated. In our attempt to show the advantages of surface-to-tunnel measurements we analyzed the resolution for each configuration
of traditional (surface) and surface-to-tunnel arrays. Studies also included testing the electrode displacement effect and also the effect of the tunnel size into the measurements.
Article Details
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Simyrdanis, K., Tsourlos, P., Soupios, P., & Tsokas, G. (2013). Simulation of ERT surface-to-tunnel measurements. Bulletin of the Geological Society of Greece, 47(3), 1251–1259. https://doi.org/10.12681/bgsg.10981
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