Top-Notch Concrete Scanning with the Help of Ground-Penetrating Radar

 

Concrete scanning involves non-destructive methods to assess the integrity of a structure and find embedded utilities before performing actions like drilling, cutting, and coring. One of the best ways to do this is with ground penetrating radar, which use reflected radio waves for a non-invasive, safer, and effective way to analyse materials, such as walls, slabs, and columns.

 

GPR is an imaging technology that gained prominence in subsurface earth exploration. However, its usefulness extended to concrete structure analysis. Using electromagnetic wave propagation, GPR equipment images and identifies changes in magnetic and electrical properties in the material. As such, systems can easily locate reinforcing, underground utility lines, and post-tensioning in concrete. They’re also practical for these applications:

 

·       Analysing the structural integrity of aeroplane runways

·       Conducting groundwater studies

·       Forensic research

·       Land Surveying

·       Finding unexploded land mines

 

Ground penetrating radar systems are available at competitive prices as the technology continues to improve. Combining increased capability, affordability, and ease of use have made them more accessible for companies and professionals specialising in concrete scanning. If you’re investing in these systems, check with a reputable source that carries the latest devices.

 

Advances in GPR technology

 

Significant improvements in ground-penetrating radar systems have made GPR equipment more reliable and efficient. Newer devices are more intuitive and user-friendly, with high-resolution scanning and greater depths of penetration. These features are crucial for concrete scanning as users can now use the technology to map congested areas, particularly those with several layers of post-tensioning and steel reinforcement.

 

Available devices

 

Ground penetrating radar systemscome in different configurations, with various capabilities to suit every requirement. The best ones are compact, portable, and lightweight concrete scanners that can connect wirelessly to an Android or iOS device and produce high-resolution scans from greater depths with a stepped frequency antenna. Some devices can quickly scan large areas and complete six parallel scans in one pass while effectively locating objects in concrete structures.

 

One prominent example is Proceq’s GP8000 Concrete Scanner. It is a versatile tool which is widely used to locate steel in concrete before cutting or drilling and is an easy to use and light weight 4-wheel cart.  The equipment produces high resolution scans up to a maximum depth of 700mm by using a stepped frequency antenna which covers a frequency range of 0.2 to 4.0 GHz.  The system is available as either a Basic or Pro model. 

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