Introducing  an exciting new and revolutionary product in the field of non-destructive testing for concrete.  Developed over 4 years, the Maverick has undergone both vigorous and numerous tests, ensuring that Maverick is the first portable NDT instrument that is capable of detecting early stage micro-cracking problems in concrete structures.

Independent benchmark tests compared the Maverick against a traditional Pulse Velocity device, whilst Maverick clearly detected signs of micro-cracking the Pulse Velocity device indicated no change.

The ultrasonic testing of the early stages of damage in concrete structures has posed many problems. Conventional methods such as pitch catch examine the acoustic pulse delay and amplitude change as it passes through or over a concrete structure.

However, though such changes are minimal until the concrete has been stressed to approximately 80% of its maximum compressive strength, the concrete’s tensile strength is significantly weakened at much lower values.

The pulse echo method is of limited use as the aggregates cause scattering and multiple reflections. Impact echo method has proved useful for the detection of large near surface cracks and defects but does not detect microcracks.

Similarly, impact resonance will only give an indication of the latter stages of damage.

The Maverick instrument uses ultrasound techniques, including non-linear acoustics, to effectively detect micro-cracks in  different types of materials of all shapes.  The Maverick can even detect  fouling in pipes, a major problem in the oil and gas industry. Applications: In-situ testing of Concrete including laboratory research and development of new concrete mixes. Detection of micro-cracks in ceramic, clay and metal pipes. Carbon composite testing for de-lamination and damage. Detection of fouling deposits in industrial pipe installations such as oil,  gas and food industries. Download the December 2010 Concrete Magazine Review of Maverick

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