Auto Lift Arm ECO Wheel Tracker

By: Cooper Technology  06/07/2011
Keywords: Utm, Material Testing, asphalt testing

 

Wheel tracking is used to assess the resistance to rutting of asphaltic materials under conditions which simulate the effect of traffic. A loaded wheel tracks a sample under specified conditions of load, speed and temperature while the development of the rut is monitored continuously during the test. Test specimens can be either slabs prepared with a laboratory compactor or 200mm Ø cores cut from the highway.

The Wheel Tracker CRT-WTECO-A performs both procedures A and B specified for the small scale device in EN 12697-22. Procedure A requires that six specimens are tested. For procedure B, only two specimens need to be tested, but rut depth must be measured at more points along the longitudinal rut profile. To speed up the testing process, the CRT-WTECO-A™ was designed to test two specimens within one working day via a pre-programmable unique lift arm mechanism (European Community registered design #: 001699042).



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Keywords: Asphalt Compaction, asphalt testing, bitumen testing, cooper research, cooper technology, Gyratory Compactor, Material Testing, Utm,

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