The RCAT (Rotating Cylinder Ageing Test) device was developed to simulate the long-termageing of bituminous binders in an accelerated manner. The method is a conditioning procedure and has no result in itself.
In order to collect information on the reproducibility of the procedure,a limited round robin trial with the RCAT method involving five laboratories and three binders was conducted in 2003. Tests were conducted according to the draft of the RCATmethod (prENxxxxx-RCAT) drawn up in the framework of CENcommittee TC336WG1 TG3.
During this RRT, a health and safety risks assessment was also carried out. The five participating laboratories have rated the residual risks as acceptable.
The Belgian Road Research Centre has a curviameter to measure structural road characteristics rapidly and accurately. This device measures the deformation of a road surface at one hundred points, at a survey speed of 18 km/h and with an accuracy of 0.02 mm. The rear wheel axle is loaded to weigh between 8 and 13 t. Every 5 m a sensor laid down on the road surface by a moving chain measures the temporary deflection of the pavement when the rear axle is passing over.
This test is used to determine the permeability of a water-permeable structure in situ. The apparatus consists mainly of two rings (Ø. 50 and 70 cm), a continuous water supply unit and an automatic system to maintain a constant water level.
Since the year 2000, BRRC has been recognized as an accredited laboratory by BELAC.
BELAC is a Belgian accreditation body supervised by the Belgian Federal Public Service (FPS) Economy, SME, Self-Employed and Energy, which acts as an impartial third party to assess whether a given laboratory operates in accordance with the reference document in force and delivers an accreditation certificate if the laboratory passes the audit procedure.