The wheel tracking apparatus consists of a loaded wheel, which bears on a sample held on a moving table. The table reciprocates with simple harmonic motion through a distance of 230 ± 5mm with a frequency of 53 passes (± 1%) per minute. For reasearch purposes the test speed can be adjusted by inverter control. The wheel is fitted with a solid rubber tyre of outside diameter 200mm. The wheel load under standard conditions is 700 ± 10N. The wheel tracker is fitted with a temperature controlled cabinet with a temperature range from environment to 65°C ± 1.0°C. The sample may be either a Ø 200mm core or a 300x400mm slab of asphaltic mixture from 25mm to 100mm thick. A 25mm stroke LVDT transducer is included for monitoring rut depth in the centre of a sample during a test to better than 0.1mm. The deformation and sample temperature is recorded by the internal data acquisition and control system, then sent to the Windows compatible software.
Middelblok 134
2831 BP Gouderak
Netherlands
+31 (0) 182 30 31 60
info@abmbv.nl