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Application of the Phoenix assay characterization and evaluation of bituminous mixtures

Felix Edmundo Perez Jimenez
Rodrigo Miró
Adriana Martinez
Ramón Botella
Jose Amoros
Roads Laboratory
Universidad Politécnica de Cataluña

Gonzalo Valdes Vidal
Department of Civil Engineering Works
Universidad de La Frontera (Chile)


One of the most common faults in bituminous mixtures firm is usually caused by the phenomenon defatiga. However, the fatigue is not a property which is frequently considered in the design because delas mixtures requires specific equipment and sufficient time to test mixtures acuerdocon standard procedures.

Therefore, the Laboratory of Roads Polytechnic University of Catalonia has long studied estapropiedad in bituminous mixtures and has developed a series of tests to assess its cohesion YSU crack resistance. This article describes the salient features of these studies yen particular, the evolution of a series of procedures that have converged in the Phoenix trial.

Presented below is an analysis of the sensitivity and repeatability of the Phoenix test and a study on lacorrelación between stiffness and deformation parameters that can be determined by this test and define the laws losque fatigue of bituminous mixtures. Finally, estadoobtenidas curves from the variation of the fracture energy, toughness and stiffness of blends with temperature are also described, which allows to appreciate the behavior change ductile to brittle tested mixtures.


Essay Phoenix, recycled bituminous mixtures, resistance to cracking.

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