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PCTE team have an extensive background in concrete Non Destructive Testing (NDT). 30 years ago Frank Papworth was involved in assessing ultrasonic's and gamma ray backscatter as a means of detecting defects in concrete. He also worked as part of a team developing corrosion assessment methods for marine structures.

Techniques such as potentials, resistivities and polarization resistance were evaluated as part of the Concrete in the Oceans programme in the UK and published in “Tongue Sands Tower Survey” the report of a major seminar at the Institution of Engineers UK in 1980. The team under Frank Papworth developed the first “Potential Wheel” and concrete four probe resistivity equipment. Many of these techniques have become common place today. But PCTE are still at the forefront of concrete NDT. For example our MD Reuben Barnes has trained internationally on advanced NDT such as GPR and Impact Echo. He also has extensive field experience.

Some concrete testing methods have been around for 30-50 years but have improved dramatically since the introduction of the PC: cover meter, Schmidt hammer (rebound hammer), potentials, polarisation resistance, moisture measurement, maturity. Other concrete testing methods are less than 10 years old and have only become viable since micro computers allowed rapid data collection and assessment (impact echo, impulse response, ground penetrating radar). All of these are commercial techniques that can be applied to give very useful information in construction and assessment of old structures.

Whatever the equipment you require, whether you want to hire or buy, talk your needs over with PCTE first.

VIC:

Melbourne

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t (03) 9938 3830

f (03) 9938 3899

m 0428 315 502

NSW:

Sydney

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t (02) 9986 1857

m 0418 381 709

QLD:

Brisbane

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t (07) 3040 6166

m 0419 477 715

 

WA:

Perth (Head Office)

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t (08) 9322 4020

m 0408 034 668

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