DETECTION OF SUBTERRANEAN CAVITIES BY MEANS OF GEOPHYSICAL METHODS
DETECTION DES CAVITES SOUTERRAINES PAR DES METHODES GEOPHYSIQUES
The article reviews and compares geophysical methods used in tests carried out on a known subterranean cavity which was not detected with microgravimetry. The methods: electrical remote logging, seismic reflection and focalization of electric currents enabled the cavity to be detected. For each technique principles are given together with the limits of the method when possible, problems of application and interpretation of measurements. The artificial magneto-telluric method did not give satisfactory results. (TRRL)
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Corporate Authors:
Le Batiment
Rue Paul Valery 6
Paris, France -
Authors:
- Lagabrielle, R
- Rat, M
- Publication Date: 1978-11
Language
- French
Media Info
- Features: Figures; References;
- Pagination: p. 7-12
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Serial:
- Revue Francais de Geotechnique
- Issue Number: 5
- Publisher: Le Batiment
Subject/Index Terms
- TRT Terms: Detection and identification; Detectors; Electrical equipment; Electricity; Exploration; Geological surveying; Geophysical prospecting; Geophysics; Logging; Magnetic detectors; Magnetic induction; Magnetic properties; Reflection; Reflectivity; Seismicity; Underground structures
- Uncontrolled Terms: Cavities; Site investigation; Subterranean
- Old TRIS Terms: Cavity channels; Electrical methods of exploration; Geophysical explorations; Magnetic methods of exploration; Seismic reflection; Subsurface explorations; Tellurometers
- ITRD Terms: 5738: Cavity; 6954: Electricity; 5742: Geophysics; 5730: Logging; 6936: Magnetism; 5926: Reflectivity; 5731: Seismic; 5722: Site investigation; 4372: Subterranean
- Subject Areas: Bridges and other structures; Geotechnology; Highways; I41: General Soil Surveys;
Filing Info
- Accession Number: 00310273
- Record Type: Publication
- Source Agency: Laboratoire Central des Ponts et Chausees (LCPC)
- Files: ITRD, TRIS
- Created Date: Oct 27 1980 12:00AM