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Trimble Roadworks 2D Paving Control Platform uses a 2D reference to pave with a fixed hickness. This makes Roadworks an excellent, lower cost option for roads that have been graded or milled using 3D paving control.
Each side of the paver is typically equipped with one sonic tracer or with three sonic tracers mounted on an averaging beam. These sonic tracers send multiple sonic signals to reference off the existing surface and calculate an average elevation for paving a smooth surface.
A sonic tracer can be configured to use stringline as a reference line to control the paver. In this mode the sonic tracer will measure any lateral movement of the machine relative to the stringline. When the sonic tracer’s center is moving away from the stringline, the control box warns you and provides correction guidance.
Slope Sensor Reference
Trimble Roadworks can also use an angle sensor to reference the desired cross-slope of the road. Designed specifically for asphalt pavers, the sensor rarely needs recalibration and paves cross slopes of up to 0.5% accurately and consistently.
Laser Plane Reference
Use a Trimble LR410 Laser Receiver with the GL700 Grade Laser series to reference a laser plane for asphalt thickness control. Both dual and single laser receivers are supported.