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Geoelectrical exploration of solution cavities at the Khao Laem damsite, Western Thailand
Summary Geophysical investigations including resistivity profiling, self potential survey and cross-hole-fan shooting seismic survey were carried out on a damsite to assess the applicability of geophysical techniques to explore solution cavities in limestone terrain. Electrical resistivity profiling was done using conventional Schlumberger, Wenner, half-Schlumberger and half-Wenner configurations. The results of geophysical surveys are compared with actual geological conditions obtained from tunnels. It is found that resistivity profiling with half-Schlumberger configuration gives the best results and shows good correlation with actual location of karstic features below the profile line.
Geoelectrical exploration of solution cavities at the Khao Laem damsite, Western Thailand
Summary Geophysical investigations including resistivity profiling, self potential survey and cross-hole-fan shooting seismic survey were carried out on a damsite to assess the applicability of geophysical techniques to explore solution cavities in limestone terrain. Electrical resistivity profiling was done using conventional Schlumberger, Wenner, half-Schlumberger and half-Wenner configurations. The results of geophysical surveys are compared with actual geological conditions obtained from tunnels. It is found that resistivity profiling with half-Schlumberger configuration gives the best results and shows good correlation with actual location of karstic features below the profile line.
Geoelectrical exploration of solution cavities at the Khao Laem damsite, Western Thailand
Sarman, R. (author)
1983
Article (Journal)
English
Geoelectrical exploration of solution cavities at the Khao Laem damsite, Western Thailand
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