Concrete Scanning with GPR
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About Concrete Scanning
Why use concrete scanning ?
Cutting and coring experts and construction professionals require a reliable, non-destructive solution to assess concrete and concrete structures
GPR is now widely used for assessing the interior of concrete structures. When cutting and coring for renovation and repair, avoiding reinforcing bars, post-tension cables and embedded conduits is a priority. GPR can sense both metallic and non-metallic features making it a versatile imaging tool. Construction records for many buildings are not readily available and construction often differs from design resulting in GPR being the only way to confirm what is there.
What we can find ?
Ground Penetrating Radar can help locate metallic and
non-metallic targets and concrete characteristics such as cover and thickness information
GPR to locate rebar
Concrete and construction professionals use ground penetrating radar to safely locate structural reinforcement within poured concrete prior to drilling, cutting or coring. Take advantage of locating targets in real time, with only single-sided access required. Potential targets can be located easily and quickly in real time with GSSI’s StructureScan series.
Detect voids in concrete
Concrete professionals and engineers that are interested in detecting the presence of voids that can impact the structural stability of a concrete slab or structure. Ground penetrating radar helps to indicate the presence of voids and honeycombing in concrete structures.
Locate and trace conduits
Ground penetrating radar can detect what lies... beneath the surface before cutting or coring concrete. GSSI’s StructureScan Mini XT combined with LineTrac XT can safely identify power conduits, thereby avoiding costly or dangerous hits.
Detect the thickness of a concrete slab
GSSI’s StructureScan systems help to determine the thickness of suspended or on-grade concrete slabs. Advanced techniques like cross-polarizing the antenna can greatly help enhance the back-side reflection of concrete slabs.
Establish location and depth of post-tension cables
Ground penetrating radar helps concrete professionals and contractors find the location and depth of post-tension cables. The StructureScan series helps to identify the characteristics of the survey area, such as where the cables drape, for added safety.
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Is GPR (Ground Penetrating Radar) more expensive than X-ray scanning?
No, and actually GPR is a lot cheaper than X-ray because radar gives a much faster result. There is no time wasted on film development, and the penetration/hole can be moved or rescanned immediately.
Can GPR tell you the difference between rebar, PT cables, and conduits ?
Absolutely, and we have been doing so for clients as long as we have been in business.
What kinds of results can I expect?
- 1. For most of our projects, we directly mark the concrete to indicate safe areas to perform the work (i.e., cutting, drilling, etc.).
- 2. After computer processing, drawings can be produced along with dimensions of the scanned area.
- 3. The highest level of reporting provides a 3-D view of the scanned area.
- 4. We can also take digital pictures of our scans and email them directly to an engineer/building owner for approval of the drilling locations.
Does GPR pose any health risk, or any threat of interference with radio frequency or electronic equipment?
No, it doesn’t. In fact, the radiated power from GPR is a small fraction of that emitted by a cell phone. And because we don’t have to worry about such hazards, we can do our work without interference to the ongoing business/operations around us.
What if we have a metal pan deck?
GPR will show a normal profile through the slab. It will detect the metal underneath but it will not penetrate it. We will not be able to see the conduit in the deep part of the pan due to the reflection of the metal.
WHY GPR SERVICES?
GPR Services provides the highest quality concrete scanning on the market
We strive to be the most professional service provider in Colorado
We have extensive experience in the field and a true insight into proving the solutions.
We are highly motivated to earn your business and your trust.
Our project managers are trained and experienced in using all our high-tech equipment
We use following concrete scanning equipment
Cutting and coring experts and construction professionals require a reliable, non-destructive solution to assess concrete structures.
We use the most flexible and comprehensive concrete scanning system on the market. With The Underground Detective’s technology, you will finally be able to avoid wasted time and money by scanning directly into the concrete before you saw or core drill. No longer will service shutoffs and accidentally cut conduits keep you from getting the important work done. The Underground Detective helps you efficiently meet your deadlines and move on to the next job.
Our equipment provides accurate inspection of concrete structures such as floors, walls, slabs, and bridge decks. We are able to detect metallic and non metallic objects and features such as rebar, post tension cables, metallic/non-metallic conduits and pipes, and voids, as well as measure slab thickness. It’s time to stop losing time and money with accidents that can be avoided. The Underground Detective wants to detect your utilities before your shovels do.
Premier ground penetrating radar system for concrete inspection
GSSI’s StructureScan systems help to determine the thickness of suspended or on-grade concrete slabs. Advanced techniques like cross-polarizing the antenna can greatly help enhance the back-side reflection of concrete slabs
StructureScan Mini XT
Complete GPR system for Concrete Inspection
The StructureScan Mini XT is GSSI’s newest generation of our very popular all-in-one ground penetrating radar systems. The StructureScan Mini XT offers a 2.7 GHz antenna for superior target resolution and can reach depths up to 60 cm (24 in). This system is designed with the option for users to add accessories and tailor the unit to specific applications. With multiple modes of operation, the StructureScan Mini XT is ideal for locating rebar, conduits, post-tension cables, voids and real-time determination of concrete slab thickness.