FIELD: railway transport.
SUBSTANCE: this invention covers gauges for check of railroad bed condition and can be applied for detection and check of corrosion damage level of operated rails by ultrasonic scanning. The method is as follows: ultrasonic signals directed into the rail base are emitted from the rail rolling surface; and the signals reflected from the rail base are received. Amplitude envelop of the received ultrasonic signals is calculated during movement along the rail according to which corrosion damage level of the rail base is determined.
EFFECT: early determination of danger areas of rail base.
2 cl, 1 dwg
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