Ground Penetrating Radar Scanning (GPR) is a reliable, non-destructive means to locate targets within concrete structures prior to penetrating the surface via concrete sawing or drilling.
Before starting a construction project, it’s important to ascertain what is contained within the concrete structure to ensure critical items embedded within the concrete remain undisturbed.
Concrete Scanning and Service Locating can be used to determine the location of:
- Post tension cables
- Reinforcing steel (also known as rebar)
- Electrical conduits
- Voids within concrete
- Fibre optic cables
What is GPR concrete scanning?
High-frequency radio waves are used. 
When the radio waves hit an object beneath the surface, or a boundary with different dielectric
constants, the radar will reflect what is below the surface.
The data can be collected in simple line scans to determine the thickness of concrete or in a grid format which will produce a map of any targets located in the concrete.
Concrete Scanning using Ground Penetrating Radar (GPR) has overtaken X-RAY technology as the most efficient process to be used when trying to locate rebar, post-tension cables, conduits, etc. in concrete prior to concrete cutting or any other destructive procedures.
GPR concrete scanning provides more concise data in a safer and more efficient manner.
Non-invasive / Non-destructive
Structures to be preserved and project down-time to be avoided. Without any damage to surrounding structures or the reinforcing steel within concrete, and voids can be identified, located, and mapped.
Cost effective and safe
With limited downtime, ability to avoid structure or utility damage, or possible injury, GPR is a cost-effective solution for identifying subsurface objects and potential problem areas. Not to mention the fact that jobsite doesn’t have to be fully cleared to gain access and that a large area can be inspected and scanned each day.
Using the latest in Ground Penetrating Radar (GPR) technology to accurately locate rebar, post-tension cables, conduits along with any other embedded targets in concrete structures will assist to avoid damaging any embedded targets during concrete cutting such as structural reinforcement.
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