The RSM-PRT (N) performs Low Strain Integrity Testing, which is a widely used measurement method to check the integrity of concrete foundation piles.
The impact generates a stress wave that travels down the pile. When the downward stress wave encounters a change in cross section or in concrete quality, it generates reflected wave that is later observed at the pile top. By analyzing the propagation time, amplitude and phase of that reflected wave, it has evaluation of pile integrity ultimately.
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