Numerical Simulation of Bitumen Emulsion-Stabilised Base Course Mixtures With C&D Waste Aggregates Considering Nonlinear Elastic Behaviour
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Numerical Simulation of Bitumen Emulsion-Stabilised Base Course Mixtures With C&D Waste Aggregates Considering Nonlinear Elastic BehaviourAutor(es)
Fecha
2020Cita bibliográfica
I. Pérez, L. Medina, B. Gómez-Meijide, P. Alves Costa, A. Silva Cardoso. Numerical simulation of bitumen emulsion-stabilised base course mixtures with C&D waste aggregates considering nonlinear elastic behaviour. Construction and Building Materials, 249 (118696), 2020, 118696. https://doi.org/10.1016/j.conbuildmat.2020.118696
Resumen
[Abstract:] This study presents the numerical modelling of a load-volume road pavement section with bitumen emulsion-stabilised base courses. The base courses used natural and construction and demolition aggregates. A 3D finite difference model was used to determine the peak responses of the pavement sections when subjected to loads. Three nonlinear models were adopted in the two base courses. The response predictions of the three models were similar. Both the resilient and permanent behaviours of these materials were modelled. An analysis was conducted on the rutting resistance of the base course materials. Both base courses were suitable for use in low-volume roads. The base course made with construction and demolition aggregates was more resistant to rutting.
Palabras clave
FLAC3D
Bitumen emulsion
Stabilised base course
C&D waste aggregates
Rutting
Bitumen emulsion
Stabilised base course
C&D waste aggregates
Rutting