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Engineering Geophysical Services

 

Engineering Geophysical Services page picture caption:

Whether it's planning and design of new construction or remediation systems, geophysical data can be a cost effective tool for many types of projects.

 

Information obtained through geophysical surveys can prove invaluable to the engineer. Whether it’s planning and design of new construction or remediation systems, geophysical data can be a cost effective tool for many types of projects.

 

Typical objectives of an engineering geophysical survey include:

  • Evaluate foundation materials and assist engineers to design foundations and structures
  • Locate and evaluate fault structures and zones near a proposed or existing structure that are potential sources of earthquakes
  • Identify slip zones in embankment dams that would indicate earthquake damage or zones of incipient failure
  • Locate cavities or voids in the subsurface as well as under pavement or behind walls
  • Locate seepage zones
  • Evaluate concrete/pavement thickness and rebar position
  • Determine the thickness and condition of layers in pavements
  • Determine depth to bedrock
  • Locate rebar and post-tension cables in concrete
  • Blast/vibration monitoring

 

FPM has conducted extensive engineering geophysical surveys and is prepared to take on any project you may need. In addition, FPM's key personnel are experienced in handling all aspects of an engineering geophysical survey.

 

Some important benefits of using FPM to assist with your engineering project:

  • Cost effective method to effectively rank and budget structure repairs
  • Non-invasive (except for boreholes where needed)
  • Very detailed concrete maps of the concrete condition to guide repair
  • The certainty of making construction safety decisions based on ground truth
  • Can be used to follow up destructive methods in the most effective manner
  • Minimize and more effectively plan your coring program and other evaluation techniques
  • Obtain accurate location and characterization of hidden anomalies and buried structures

 

Typical methods used by FPM include:

  • Impact Echo
  • Electrical resistivity and Induced Polarization
  • Borehole geophysical logging
  • Ground-penetrating radar
  • Seismic refraction and reflection