Hydro-TISAR and Hydro-SEEp – Innovative geophysical techniques for geotechnical and hydrogeological investigations

D. Campos Halas, J.L. Arsenault, B. McClement

In the proceedings of GeoSt. John's 2019: 72nd Canadian Geotechnical Conference

Session: Mining

ABSTRACT: Geophysical methods are part of the tool box for geotechnical and hydrogeological investigations. Geophysical tools can be used to improve our knowledge of the soils and structures that are investigated. However, few innovations have been made in this field in the last twenty years and conventional investigation methods are still the norm. Hydro-TISAR represents a new seismic acquisition and interpretation method based on the analysis of resonant frequencies of earth materials. The technique can detect thin fractures in bedrock, as well as lenses and thin beds of granular material in unconsolidated and building materials Hydro-SEEp is an innovative methodology integrating electrical, electromagnetic and seismic principles for the detection of leaks in earth dams. Multi-parameter analysis minimizes the limitations of conventional detection methods and allows the establishment of a detailed structural (2D or 3D) model to identify the structures that control the preferential flow of water.

RÉSUMÉ: Les méthodes géophysiques font partie des outils disponibles pour les investigations géotechniques et hydrogéologiques. Les outils géophysiques peuvent être portés à contribution pour améliorer les connaissances sur les structures investiguées. Cependanconventionnelles sont toujours la norme. Hydro-TISAR propose une nouvelle méthode alyse des fréquences de résonance des matériaux. Cette dernière permet de détecter des fractures minces dans le roc, de même que des lentilles et lits minces de matériaux granulaires dans les dépôts meubles et les matériaux de construction. Hydro-SEEp est une méthodologie novatrice intégrant des multi-blir un modèle structural .

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Cite this article:
D. Campos Halas; J.L. Arsenault; B. McClement (2019) Hydro-TISAR and Hydro-SEEp – Innovative geophysical techniques for geotechnical and hydrogeological investigations in GEO2019. Ottawa, Ontario: Canadian Geotechnical Society.

@article{Geo2019Paper195,author = D. Campos Halas; J.L. Arsenault; B. McClement,title = Hydro-TISAR and Hydro-SEEp – Innovative geophysical techniques for geotechnical and hydrogeological investigations ,year = 2019}