Differences in cracking resistance of asphalt mixtures due to ageing and moisture damage

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Título:	Differences in cracking resistance of asphalt mixtures due to ageing and moisture damage
Autor/a:	López Montero, Teresa; Miró Recasens, José Rodrigo
Otros autores:	Universitat Politècnica de Catalunya. Departament d'Enginyeria Civil i Ambiental; Universitat Politècnica de Catalunya. MATCAR - Materials de Construcció i Carreteres
Abstract:	The ageing phenomenon and moisture damage become key factors to evaluate mixture cracking resistance. In this paper, the effect of ageing and water on cracking resistance and fatigue behavior in a bituminous mixture is studied. Specimens were tested by a direct tensile test (Fénix test) to obtain fracture energy values whereas variation of complex modulus and dissipated energy density was obtained by a strain sweep fatigue test (EBADE test). Results show a significant reduction in cracking resistance and fatigue life of the mixture after ageing (failure strain is reduced approximately by 35%). Water in standard conditions has very little influence.
Abstract:	Peer Reviewed
Materia(s):	-Àrees temàtiques de la UPC::Enginyeria civil::Infraestructures i modelització dels transports::Transport per carretera -Pavements, Asphalt--Cracking -Ageing -Cracking -Fatigue -Moisture damage -Paviments d'asfalt -- Assaigs de materials
Derechos:	http://creativecommons.org/licenses/by-nc-nd/3.0/es/
Tipo de documento:	Artículo - Versión presentada Artículo
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