Ultrasonic Pulse Velocity

Ultrasonic Pulse Velocity Test (UPV)

The UPV method is used to map and detect voids, honeycombing, cracks, delaminations and other construction related failures in concrete. It can also be used to evaluate conditions in wood, masonry, ceramics, stone and metals. The test is usually performed on columns, beams and walls. The UPV testing equipment consists of a pair of transducers which send and received a 50 kHz compressional wave. The direct first arrival time is recorded and the compressional wave velocity of the concrete is determined. Significant velocity variations across a concrete member indicate problematic areas.


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