Description
The Travelling Beam Device is used for detecting surface irregularities in both concrete and asphalt pavement.
The apparatus comprises of a 3-meter length beam with rigid wheels at the extremes and the middle, which can detect any vertical deviation of the surface from a straight line between the two wheels at the ends of the machine.
Measuring the capacity of the device is ±25 mm with 5mm increments. It comprises manual dye marker which can mark irregular surfaces of the road.
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