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Case Studies

Bridge Deck Evaluation

Monitoring the state of bridge decks is an ongoing need to evaluate deterioration. Corrosion of reinforcing steel and delamination of asphalt and concrete can be sensed with GPR. This example illustrates an area of chemical alteration in a bridge-deck. Deterioration is indicated by changes in signal amplitude.

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Infrastructure

Locate conduits, post-tension cables, and rebar/reinforcing wire mesh Detect current carrying cables.

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GPR is now widely used for assessing the interior of concrete structures. When cutting and coring for renovation and repair, avoiding reinforcing, post-tension cables and embedded conduits is a priority. GPR can sense both metallic and non-metallic features making it a versatile imaging tool. Construction records for many buildings are not readily available and construction often differs from design resulting in GPR being the only way to assure what is there.

  • Concrete-Evaluating-concrete-imagingEvaluating Concrete Imaging
  • Concrete-Post-tension-cables-rebarPost-Tension Cables & Rebar
  • Concrete-Plastic-metal-conduitsPlastic & Metal Conduits
  • Concrete-VoidsVoids
  • Concrete-Slab-thicknessSlab Thickness
  • Concrete-Power-cable-responsesPower Cable Responses
  • Concrete-Main-power-line-locationMain Power Line Location
  • Concrete-Hidden-electric-cableHidden Electric Cable
 
 
 
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