What information is documented in a track geometry measurement system?
A track geometry measurement system documents a range of parameters that define the physical condition of the track, including gauge, alignment (both horizontal and vertical), crosslevel (or cant), warp, and track surface. Gauge is the distance between the two rails, measured at a specified distance below the rail head. Alignment refers to the horizontal and vertical position of the track relative to its designed location. Horizontal alignment measures deviations from a straight line or the designed curvature of cur....
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Gunasekar D
“A Track geometry measurement system is used to monitor and record the physical condition and alignment of railway tracks. It ensure safe and efficient train operations by detecing deviations from design standards. It measures the diatance between the ineer faces of the two rails called as track gauge. Ensures compatibility with rolling stock and prevents derailments. It measures the vertical difference betweeh the tow rails ( Cant or superelevation) . It is used to align the lateral position of the track . It is used to detect kinks, misalignments and curve deviations, elevation changes along the track , identifes dips, humps and settlement issues . The rate of change in cross level over a short diatance called as twist , Crvature and radius, rail wear, track positionng, ultrasound testing, defects, all are recorded .”
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