Call us on (07) 3393 9339


ACX uses GPR to detect the presence of voids in block walls and concrete structures. Detected voids can be mapped to show areas of voids and possible trends. Voiding can occur due to a number of natural causes and other factors, including slumping of concrete, insufficient core filling or lack of compacting and earth movement ie. storms, floods, sink holes, king tides and tidal movement.

As an example Australian Concrete X-Ray provided detailed mapping of existing voids within the block walls of a recently constructed communication building, situated high on a hill at Lord Howe Island.

Due to the prevailing elements, high wind factor and the aggressive saline environment, our client had concerns that the building would be at risk of corrosion damage.

These factors would undoubtedly cause corrosion from the high chloride levels over time attacking any exposed bars resulting in failure and ultimately the buildings structural integrity.

The project involved scanning both sides of each block wall in a systematic approach identifying areas of voiding at each location.


  • StructureScan Mini HR

    Australian Concrete X-Ray would like to welcome the newest antenna from GSSI. The StructureScan™ Mini HR is GSSI’s all-in-one high-resolution GPR...



We have used ACX for many years now. They have the right expertise and equipment to carry out all of our slab xray investigation requirements. The office staff are very helpful and make it very... Read more

Troy Thorley, Senior Project Manager - Formula Interiors


/7 Millennium Place, Tingalpa, Qld 4173
Ph 07 3393 9339
2/3 Carroll St., Mount Louisa, Qld 4814
Ph 07 4795 1227

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