Abstract
This paper summarizes scientific research by the authors on mechanical and environmental variables governing the behaviour of hot bituminous mixtures, with special emphasis on damage, degradation and fracture. With regard to the mechanical factors affecting the structural performance of the mixtures, the following ones can be mentioned: (i) cyclic loading (mechanical fatigue), (ii) laboratory boundary conditions to test the specimens. In the matter of environmental factors influencing such a mechanical (damage & fracture) performance, the list is as follows: (i) de-icing salts, (ii) weather conditions including temperature cycles (thermal fatigue), rainfall and presence of ice. Results are presented in systematic manner to draw conclusions and recommendations applicable to real traffic of vehicles in roads.
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