GEOPHYSICAL SERVICES

Geophysical surveying is one of the most useful and cost-effective tools available for the investigation and characterization of subsurface conditions. Geophysical techniques and methods can be used for locating, detecting, delineating and characterizing many natural or manmade subsurface features. Significant savings are realized by reducing the project time and scope for other activities, particularly intrusive exploration such as drilling or test pit exploration. The accuracy achieved by a professionally designed and executed geophysical survey can result in truly impressive savings of both time and money.

Geotechnology has extensive knowledge and experience in the application of a comprehensive range of geophysical methods for environmental, geotechnical, hydrogeological and engineering projects. The firm has successfully performed geophysical studies for clients in government and private industry, including an award winning study for the U.S. Army Corps of Engineers.

 

Geophysical Applications

Detected void

  • Buried tanks and drums
  • Karst features - including caves, caverns and sinkholes
  • Voids beneath roadways and structures
  • Buried utilities
  • Former underground mines and landfills
  • Depth to bedrock
  • Buried munitions and other military related materials
  • Rebar and post tension cables in concrete
Geophysical Methods

GM void cart

  • Seismic reflection
  • Seismic refraction
  • Seismic tomography
  • Ground penetrating radar (GPR)
  • Resistivity
  • Electromagnetics (EM)
  • Magnetics
  • Spontaneous potential (SP)
  • Borehole geophysical logging
  • Vibration monitoring
 





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