Ground Penetrating Radar (GPR)
Ground Radar (also known as Ground Penetrating Radar, GPR, Impulse Radar Ground Probing Radar, Sub-surface Radar and Surface Penetrating Radar) was originally developed for mapping geological features. It is now increasingly used in engineering and offers a unique non-invasive and non-destructive means for the characterisation of the subsurface and subsurface features.
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Principles of GPR
 Interested to understand how GPR works? Our animated graphic explanation and tabulated presentation of different antennas and their uses makes it simple...
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Concrete Imaging using GPR
 Ground penetrating radar (GPR) is regularly applied to examine concrete structures such as walls, floors, columns and bridges. It has recently gained popularity for concrete imaging. GPR’s advantages over more traditional methods such as covermeter and Ferroscan are many:
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Concrete Floor Slab Surveys
 Modern concrete floor slabs can be subjected to extremely tough conditions including heavy static and moving loads, impact and abrasion . Warehouse floors in particular can suffer badly. Problems with concrete floors can also arise when a change of use occurs and loads differ from the original design. Failure of the concrete floor slab may occur, resulting in costly down time and expensive repairs.
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Building Investigation using GPR
 Ground Penetrating Radar (GPR) offers a cost-effective non-destructive (ND) method of building inspection and investigation. GPR can be used to determine construction detail when no as built drawings are available (or to confirm that drawings that are available are correct) and assessing the feasibility of proposed building works.
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Chimney Flue Location
 Ground Penetrating Radar (GPR) is very effective in locating chimney flues in buildings. This can be done with no intrusive works or damage to the building structure. It can be done in occupied buildings with minimum disruption to the occupants. The only requirement is that good access to the walls to be surveyed is available.
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Utility Surveys
Sandberg offers utility surveys ranging from a small local ‘virtual trial hole’ to full site surveys. In order to provide the best possible results, a range of techniques tailored to detect different services are utilised.
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Ground Radar (GPR)
Ground Radar now offers a truly Non Destructive and Non Intrusive investigation technique. Originally developed for Geophysical surveys, it is now used in the Civil Engineering and Building sectors on a wide variety of materials, most commonly soil, concrete and asphalt.