Ultrasonic Pulse Echo Imaging 03 9544 8833
What is Ultrasonic pulse echo imaging ???
This device is a revolutionary approach to concrete ultrasonics. It is the construction equivalent of ultrasonic scanning in the medical world.
How does Ultrasonic pulse echo imaging work ???
Once the ultrasonic shear wave signal is emitted, the received signals are processed by the controlling console and then transferred to a laptop computer via Wi-Fi wireless technology where they are analysed by the software to determine how many signals are reflected from different points within the concrete.
A synthetic aperture focusing technique (SAFT) data processing method is then performed to generate 3D images of the concrete element and any defects within. The images are displayed almost immediately on the computer screen as a plan view, cross-section view or isometric view.
The computer builds up a coloured 3D image of the concrete with different colours representing the number of waves that are reflected from each location in the concrete. If there are no reflections from a point the image is (for example) Black. If there are many reflections from a point the image is (for example) Red. Any air / interface may reflect a signal but certain interfaces reflect more strongly, such as moisture and voided areas in the concrete.
Ultrasonic Concrete Analysis Explained: View Video
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The hundreds of ultrasonic measurements taken are analysed by the software to determine how many signals are reflected by different points in the concrete.
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The standard visual presentation format is the B-scan, C-scan and D-scan. This allows the data to display the projection of the interfaces on three orthological planes.
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| The data collected can then be reviewed in a 3D format displaying any areas of potential concern within the structure. | Any areas of significant concern can be individually selected and cross sectioned to be examined more in-depth. |
What are the applications for Ultrasonic pulse echo imaging ???
- Thickness measurement
- Detection of delamination's
- Detection of poor quality bonds in overlays and repairs
- Detection of voids and honeycombing in concrete members
- Detection of voids in grouted tendon ducts
The results from using this technology greatly reduce the need for destructive testing to be carried out, if destructive testing is still required the ultrasonic pulse echo image provides the information on where would be the most suitable to take a sample from in which to achieve the most desirable results.
