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TECHNIQUE THAT ALLOWS TO KNOW THE QUALITY OF THE CONGLOMERATE
THE ULTRASONIC METHOD
The ultrasonic method can also be used, with some variations, to assess the quality of concrete aggregate after many years, effectively monitoring the evolution of its condition over time. In this way, it is possible to:
– Evaluate the uniformity of the concrete
– Detect cracks or voids
– Assess changes in the properties of concrete over time
– Identify potential casting defects
The modes of ultrasonic pulse transmission are essentially three:
– Direct Transmission: Transducers are placed opposite each other with the concrete in between
– Semi-direct Transmission: Transducers are placed on two adjacent faces
– Indirect or Surface Transmission: Transducers are placed on the same face
Below is an explanatory diagram:
For each portion of the structure where the concrete appears uniform (distance-time graph represented by a straight line), the criterion in the table can be applied.
EQUIPMENT AVAILABLE
MAIN REFERENCE STANDARDS
Centrotest opera in tutta Italia per controlli non distruttivi e dimensionali sia in sede che in loco, in centrali termoelettriche e idroelettriche o altri stabilimenti.
ISO 9001:2008
ISO 14001:2004
OHSAS 18001:2007
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