Concrete Scanning GPR in New Zealand
Ground Penetrating Radar (GPR) can be used for locating rebars, post-tensioning cables and conduits before cutting, drilling or coring, investigating unknown structures, determining concrete thickness, imaging rebar geometry and several other applications.
The evolution of imaging technology and innovations in the field of concrete scanning GPR enable us to resolve the trade off between resolution and penetration depth.
The Proceq GP8000 is a revolutionary GPR for concrete scanning which uses a Stepped Frequency Continuous Wave (SFCW) antenna. This enables the GPR to sweep a frequency range of 0.2 to 4.0 GHz. The result is high resolution GPR scans to a penetration depth of 700 mm.
This powerful and revolutionary concrete scanning Ground Penetrating Radar (GPR) will benefit the construction industry in New Zealand, especially in the field of testing and inspection. Meanwhile, it helps to promote safer construction work in New Zealand with the increased capability to detect non-metal and metal targets all the way to the bottom of thick concrete elements.
Case Study One
Here is an example of a concrete GPR scan at a parking garage.
Case Study Two
Another great example of concrete GPR scan on concrete slab.
The top layer rebars on Ground Penetrating Radar (GPR) scan shows perfectly defined hyperbola. While, managed to pick up some non-metallic pipes further down the slab.
Additionally, the 3D imaging scan with Augmented Reality included in the Proceq GP8000 further assist engineers and technicians to visualise the rebar configuration in the slab.
It helps to locate and mark the right spot or area before drilling or cutting. Of course, minimise unwanted damage and cost of repair for both contractor and asset owner.
Besides, the Logbook function in Proceq GP8000 enables user to take photos and input comments or notes while performing GPR scan at the job site. This significantly reduces post processing work for the user, while increases productivity that allows user to process data collected instantly on the iPad.
Traceability of GPR scan or measurement is second to none, where users and other stakeholders can review data collected through instant data sharing and exporting.
