Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Analysis of shear-torque fatigue test for bituminous pavement interlayers
https://orcid.org/0000-0002-4518-104X
https://orcid.org/0000-0002-4519-3833
https://orcid.org/0000-0003-0773-6574
Highlights The presence of the interface highly influences shear-torque fatigue performance. A model for the study of pavement bituminous interlayers was developed. The interlayer complex shear modulus is a good indicator of the interface damage. A new interlayer shear fatigue failure criterion was proposed.
Abstract The laboratory characterisation of bituminous interlayers is a challenging issue because of the difficulty of establishing loading conditions that can simulate field behaviour. This paper describes a shear-torque fatigue test procedure aimed at investigating the fatigue behaviour of bituminous pavement interlayers. A preliminary experimental investigation, able to evaluate the damage process occurring in both single- and double-layered specimens, showed that the presence of the interface constitutes a weakness zone, noticeably influencing the shear fatigue performance of the pavement structure. Thus, a model for the description of the evolution of the interlayer damage by using the variation of the interlayer complex shear modulus was proposed and preliminarily validated. Moreover, a new fatigue failure criterion has been proposed to be used in the result analysis of the shear-torque fatigue tests.
Analysis of shear-torque fatigue test for bituminous pavement interlayers
https://orcid.org/0000-0002-4518-104X
https://orcid.org/0000-0002-4519-3833
https://orcid.org/0000-0003-0773-6574
Highlights The presence of the interface highly influences shear-torque fatigue performance. A model for the study of pavement bituminous interlayers was developed. The interlayer complex shear modulus is a good indicator of the interface damage. A new interlayer shear fatigue failure criterion was proposed.
Abstract The laboratory characterisation of bituminous interlayers is a challenging issue because of the difficulty of establishing loading conditions that can simulate field behaviour. This paper describes a shear-torque fatigue test procedure aimed at investigating the fatigue behaviour of bituminous pavement interlayers. A preliminary experimental investigation, able to evaluate the damage process occurring in both single- and double-layered specimens, showed that the presence of the interface constitutes a weakness zone, noticeably influencing the shear fatigue performance of the pavement structure. Thus, a model for the description of the evolution of the interlayer damage by using the variation of the interlayer complex shear modulus was proposed and preliminarily validated. Moreover, a new fatigue failure criterion has been proposed to be used in the result analysis of the shear-torque fatigue tests.
Analysis of shear-torque fatigue test for bituminous pavement interlayers
https://orcid.org/0000-0002-4518-104X
https://orcid.org/0000-0002-4519-3833
https://orcid.org/0000-0003-0773-6574
Highlights The presence of the interface highly influences shear-torque fatigue performance. A model for the study of pavement bituminous interlayers was developed. The interlayer complex shear modulus is a good indicator of the interface damage. A new interlayer shear fatigue failure criterion was proposed.
Abstract The laboratory characterisation of bituminous interlayers is a challenging issue because of the difficulty of establishing loading conditions that can simulate field behaviour. This paper describes a shear-torque fatigue test procedure aimed at investigating the fatigue behaviour of bituminous pavement interlayers. A preliminary experimental investigation, able to evaluate the damage process occurring in both single- and double-layered specimens, showed that the presence of the interface constitutes a weakness zone, noticeably influencing the shear fatigue performance of the pavement structure. Thus, a model for the description of the evolution of the interlayer damage by using the variation of the interlayer complex shear modulus was proposed and preliminarily validated. Moreover, a new fatigue failure criterion has been proposed to be used in the result analysis of the shear-torque fatigue tests.
Analysis of shear-torque fatigue test for bituminous pavement interlayers
Ragni, Davide (Autor:in) / Ferrotti, Gilda (Autor:in) / Petit, Christophe (Autor:in) / Canestrari, Francesco (Autor:in)
20.04.2020
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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