Constructing slab track calls for fast, precise measurements and immediate feedback.
Trimble GEDO system in combination with the Trimble GEDO Track field software is a simple, integrated system to measure for precise adjustments, inspections and quality checks.
In a single operation, the Trimble GEDO captures the 3D coordinates of the track, together with gauge and cant. The information is compared to the design, and offsets and correction values are displayed in the field, where work crews make the necessary adjustments.
With its precision measurement systems, Trimble GEDO Track is suitable for conventional and high-speed rail construction.
Capture adjustment and track acceptance data and quickly prepare reports for contractors and quality inspection
Successful rail network management relies on precise data collection. Railway operators require effective track measurement systems to conduct thorough surveys of their existing infrastructure.
The Trimble GEDO system offers a comprehensive solution, efficiently measuring and documenting detailed track information.
The system simplifies the survey process – an operator walks alongside the track pushing a specialized measurement trolley, collecting essential data for multiple purposes including asset management, track realignment, GIS mapping, design work, and quality assurance.
The trolley integrates all necessary components for measurement, data collection, and operator guidance into a single durable, weather-resistant unit. This streamlined approach enables the capture and storage of all vital track data in one operation.
Structure
• Flexible track measuring trolley made of lightweight aluminum.
• Can be adapted to different track gauges by utilising gauge extensions.
Sensors
Gauge measurement
• Measuring range: -20 mm to +60 mm.
• Accuracy: ± 0.3 mm.
Cant measurement
• Range – ±9° or ±235 mm at 1.435 mm track gauge.
• Accuracy: ±0.5 mm (static).
Performance
Update rate
• 1 Hz
• 200 m up to 400 m/day for track adjustments.
• >100 m/h for track documentation and acceptance.
Supported instruments
• Trimble S-series total stations (e.g. S7, S9)
• Trimble scanning total stations (e.g. SX10, SX12)
• Trimble GNSS systems (e.g. R10, R12, R12i)
• Trimble S9 HP is recommended
Controllers
• Trimble TSC7, T7 and T100 controllers
• (Windows® OS)
• Trimble TSC5 (Android OS)
Battery
• Type Trimble S-Series Li-Ion, rechargeable
• Life 8 – 10 h
Applications
• Track installation for slab track, direct fixated and embedded track construction with rail-bound alignment systems.
• Track documentation and acceptance for all slab track types, high-speed lines, streetcars, subway railroads, industrial tracks and switches.
What track parameters can the GEDO system measure?
The system measures key track parameters including gauge, superelevation (cant), track geometry, and positioning data.
What training is required to operate the system?
Operators need basic training on system operation, safety protocols, and data collection procedures. Specific certification requirements may vary by region.
How accurate are the measurements?
The system provides high-precision measurements suited for professional track surveying and maintenance planning.
Can the system operate in all weather conditions?
How long does it take to survey a section of track?
Survey speed depends on track conditions and required detail but generally proceeds at a comfortable walking pace.
What software is used to process the collected data?
The data can be processed using Trimble’s specialized rail software suite for analysis and reporting.
Is the system compatible with different track gauges?
The system can be configured for various standard track gauges used worldwide.
How is the data exported and shared?
Data can be exported in standard formats compatible with common rail design and asset management systems.
What maintenance does the system require?
Regular calibration checks and basic maintenance of mechanical components are needed to ensure accuracy.
Can the system be used on active rail lines?
Yes, but proper safety protocols must be followed and appropriate track access permissions obtained.
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