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Improved Laboratory Characterisation of the Deformation Properties of Granular Materials

This report examines the capacity of the extra-large wheel-tracking laboratory test method to predict the in-service performance of granular materials.

Rutting is a common distress mode of unbound granular bases under thin bituminous surfacings.

Five…

Long-term Ageing Resistance of Bitumen using the Pressure Ageing Vessel (PAV) and the Dynamic Shear Rheometer (DSR)
This test method sets out the procedures for the ageing treatment of bitumen samples under specific conditions using the Pressure Ageing Vessel (PAV), and also the determination of the complex viscosity of treated samples under specific conditions…
Design of Bituminous Binder Blends to a Specified Viscosity Value
This test method provides a guideline for the design of a blend of RAP binder, virgin binder, and/or rejuvenating agent to a target viscosity.
Effect of Moisture Content and Laboratory Preparation Conditions on the Permanent Deformation of Unbound Granular Materials

This report documents research to validate the wheel-tracking approach as a complementary means of evaluating the rutting performance of granular bases. Firstly, the influence of the moisture content on the laboratory wheel-tracking performances is…