Purchase of a gyratory compactor for asphalt samples.

As both present gyratory compactors are at the end of their lifespan (purchase in 2000 and 2008), with numerous calibration issues and temporary failure, a new gyratory compactor for research purposes is budgetted on this project. This device is essential as a first step in asphalt research as many standardized test methods, such as fatigue and water sensitivity, have to use specimens compacted according to EN 12697-31. With this device, cylindrical asphalt test pieces with a diameter of 100 or 150 mm are compacted, including the real-time monitoring and measurement of important research parameters such as the percentage of air voids and the shear stress. In addition, the height and apparent volumetric mass of the specimen can be checked and displayed. All necessary accessories such as molds for both standard and warm mix asphalt mixtures are included in this project proposal.

Keywords:RECYCLING, ASPHALT, REJUVENATION

Disciplines:Infrastructure engineering and asset management, Destructive and non-destructive testing of materials