Rail infrastructure is unforgiving; even millimeter-scale deviations in track geometry can compromise safety and ride quality. At Wang Technology, we provide comprehensive monitoring solutions tailored to the high-stakes demands of active rail corridors.
Our philosophy is simple: Maximum Data, Minimum Disruption.
We utilize advanced wireless mesh networks and automated optical systems to monitor track geometry and structural health remotely. This "Boots off Ballast" approach drastically reduces the need for manual track surveys, keeping your personnel safe and your lines operational 24/7.
We monitor the critical parameters that define track safety (FRA Class compliance) and structural stability.
Maintaining the geometric alignment of the rails is critical. We deploy wireless tilt nodes and optical prisms directly onto sleepers (ties) to monitor:
Twist & Cant (Superelevation): Detecting dangerous rotational differences between rails over a fixed base length (e.g., 15 ft). Longitudinal Settlement: Tracking vertical dipping of the track bed caused by soil consolidation or voiding. Lateral Movement: Monitoring horizontal shifting of the tracks due to thermal expansion or adjacent excavation.
For high-frequency, sub-millimeter precision, we install AMTS units along the rail corridor. These robotic stations continuously shoot prisms mounted on the rails, overhead catenary poles, and tunnel walls. This system provides a "Golden Standard" absolute 3D coordinate check, ensuring that construction activities (like micro-tunneling under tracks) are not causing ground deformation.
When voids form beneath sleepers, the track deflects excessively under the weight of a passing train ("pumping ties"). We install displacement transducers and accelerometers to measure dynamic vertical deflection during train passage. This helps maintenance teams identify "soft spots" in the ballast before they lead to rail breaks.
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