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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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Case Studies

Conquest gpr case study; Post-tension cable scan

Conquest GPR maps Post-Tension Cable

Post-tension (PT) cables are used in concrete construction to allow thinner slabs and greater span lengths between support columns. These cables, composed of steel wires inserted into a plastic sheath, are subsequently “tensioned” and grouted after the concrete is poured.

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Ground Penetrating Radar for Infrastructure Assessment


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