Explain the technique and ways of measuring ultrasonic pulse velocity through concrete. Draw sketches.

Explain the technique and ways of measuring ultrasonic pulse velocity through concrete. Draw sketches.
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1 Answer

Answer :

Methods of measuring ultrasonic pulse velocity

1. Direct transmission

2. Indirect transmission

3. Surface transmission


Direct transmission- The transmitting and receiving transducers are placed on opposite surfaces of the concrete slab as shown in figure below.

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Indirect transmission: The transmitting and receiving transducers are placed on opposite surfaces of the concrete slab. This will give maximum sensitivity and provide a well-defined path length as shown in figure below.

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Surface transmission: The transmitting and receiving transducers are placed on same or either side of surfaces of the concrete slab as shown in figure below.

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