Scanning wall using Ground Penetrating Radar

Ensuring a successful GPR survey

Five things to ensure a successful GPR survey. An experienced GPR surveyor using the correct equipment and methods is key to a successful…

7 May 2023 · 5 min · Rom Gostomski
Engineer thinking what can Ground Penetrating Radar be used for.

What can Ground Penetrating Radar be used for?

Find out how GPR works? What’s it for? Can it help you? In this article, we make a business case for Ground Penetrating Radar in the construction industry.

8 April 2023 · 5 min · Rom Gostomski
Display on GPR control unit showing detected sinkhole

Sinkhole detection

GPR is an excellent non-intrusive survey technique for sinkhole detection and location. We typically use a dual-frequency GPR system…

6 December 2023 · 2 min · Rom Gostomski
GPR floor slab and pile cap location survey of a warehouse floor slab. The surveyor is pushing a GPR survey cart to collect data.

Pile cap location survey

Need to locate pile caps? Sandberg can undertake non-intrusive pile cap location surveys and determine slab thickness and reinforcement distribution.

3 April 2023 · 2 min · Rom Gostomski
CAD drawings - GPR can be used to verify construction detail is as per the drawings

Construction Detail Verification

Using GPR to verify construction detail and compliance with current legislation and standards. Suitable for floor slabs, concrete and masonry walls…

28 March 2023 · 4 min · Rom Gostomski
Technician coring concrete slab - always locate rebar before coring.

Why you must locate reinforcing steel in concrete before you drill

“Locate concrete reinforcing steel before you find it with your drill bit, core barrel or saw! Work safe and avoid dangerous and costly hits”.

1 March 2023 · 3 min · Rom Gostomski
Concrete scanning - in-situ mark-up of rebar on floor slab

Concrete Scanning

Concrete scanning covers a range of techniques to establish detail within concrete including rebar location, mapping and imaging, thickness and tendons.

27 February 2023 · 4 min · Rom Gostomski
Chimney pots on a roof in London

Chimney flue surveys – looking back

Sandberg was one of the first to start using GPR for chimney flue location. In this article, we look back at how it started and how things have changed.

19 February 2023 · 3 min · Rom Gostomski
Cracking in building facade caused by embedded steel

Embedded steel in historic buildings

Detecting embedded metal in masonry walls non-intrusively. Ideal for historic and heritage buildings.

12 December 2022 · 1 min · Rom Gostomski
Detected filler joists located in a floor slab marked up in-situ

Filler joist location in floor slabs

GPR is very effective in detecting and locating filler joist locations in slabs and can even differentiate between dense reinforcement and filler joists.

1 December 2022 · 2 min · Rom Gostomski