Deformation Behaviour of Asphaltic Mixtures under Constant Strain Rate Tests

this paper explains the deformation behaviour of asphaltic mixtures under constant strain rate loading. Two types of asphaltic mixtures which are used in the UK Pavements, namely a 10 mm DBM and a HRA30/10, have been selected for this study. Uniaxial constant strain rate tests over a range of strain rates and temperatures were conducted on the specimens made of these mixtures. The radial and axial strains, and the axial loads were measured during the testing, and the results were used for investigation of the mixtures' behaviour. The elastic modulus, strength and the volumetric behaviour of the mixtures have been studied and compared for the mixtures.

Keywords:

Asphaltic mixtures , strain rate , elastic modulus , axial and radial strain