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SPEPC TECHNOLOGY
Solution
Railway Subgrade Settlement Monitoring and Early Warning Solution
Background Introduction
The railway subgrade is the foundation of the track, and its settlement and horizontal displacement directly affect track smoothness and operational safety.
Subgrade settlement is often caused by weak subgrade conditions, inadequate compaction of fill materials, fluctuations in groundwater levels, and disturbances from adjacent construction activities. These issues are typically difficult to detect in the early stages; as they progress, they can lead to rail distortion and fastener failure, and in severe cases, may result in derailment accidents.
Traditional monitoring relies on manual measurements using leveling instruments, which suffer from low frequency and significant time lags. Therefore, it is necessary to establish an automated, high-precision, non-contact subgrade settlement monitoring and early-warning system to track subgrade deformation in real time and ensure track safety.
Solution Overview
This scheme employs a non-contact monitoring technology based on a visual‑intelligence deformation monitor.
Visual monitoring devices are installed at stable locations outside the subgrade monitoring sections, and passive infrared targets are deployed at the subgrade monitoring points.
The monitoring system periodically captures images of the target using a high-resolution camera and employs sub-pixel localization and AI algorithms to compute the target’s horizontal and vertical displacements relative to the reference target, achieving sub-millimeter accuracy.
Data is uploaded to the cloud platform via 4G or LoRa, and the platform configures thresholds for settlement rate and cumulative displacement; an automatic alert is triggered when these thresholds are exceeded.
The device features a built-in constant-temperature control system that eliminates temperature drift errors and ensures reliable performance in outdoor environments.
The scheme can simultaneously monitor multiple targets, enabling continuous cross-sectional monitoring.
FEATURES OF THE SOLUTION
Non-contact sub-millimeter precision
Multi-point synchronous monitoring
All-weather infrared fill light
Temperature-stabilized, temperature-drift resistant
Automatic Alerts and Remote Viewing
Rapid deployment
Platform Display
The automated slope‑monitoring system platform along railway lines is a critical technological solution for ensuring railway safety. By deploying various sensing devices—such as displacement sensors and tilt sensors—on the slopes, it continuously tracks deformation, movement, and inclination in real time. Leveraging advanced data‑processing and analytical algorithms, the system can swiftly and accurately identify potential geological hazard risks and issue timely alerts. The platform also features a remote monitoring and management center, enabling operations and maintenance personnel to access slope‑monitoring data in real time and implement appropriate response measures based on data analysis. With its automation, intelligence, and robust real-time capabilities, this system helps safeguard railway operations and mitigate latent disaster risks.
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Contact Information
6th Floor, Building 10, Entrepreneurship Industrial Park, Chaoyang Township, Qixing District, Guilin City, Guangxi Zhuang Autonomous Region
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