Interpretation of laboratory and full-scale testing of New Zealand foamed bitumen pavements using finite-element modelling

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dc.contributor.authorGonzález Vaccarezza, Álvaro
dc.contributor.authorCubrinovski, Misko
dc.contributor.authorAlabaster, David
dc.contributor.authorThenoux, Guillermo
dc.date.accessioned2016-10-14T20:22:40Z
dc.date.available2016-10-14T20:22:40Z
dc.date.issued2012
dc.description.abstractA large research project on foamed bitumen (FB) stabilisation was conducted in New Zealand. The project consisted of an extensive laboratory and full-scale testing of FB pavements. The objective of this paper is to interpret the performance of FB pavements by using finite-element (FE) modelling. The mechanical properties of the materials were calculated using testing data and used as material inputs in the FE modelling. The MohrCoulomb and DruckerPrager material models were adopted to calculate plastic deformation, which is related to pavement rutting. Results of the modelling indicate that increasing the FB content increases the tensile strength and modulus of the pavements, reducing the plastic deformations in the subgrade and the stabilised layer. In addition, adding FB reduces sensitivity to rutting when pavement is overloaded or the asphalt surface layer is cracked
dc.identifier.citationRoad Material and Pavement Design, 2012, 13 (4): 578-598
dc.identifier.urihttp://hdl.handle.net/11447/768
dc.identifier.urihttp://dx.doi.org/10.1080/14680629.2012.742623
dc.language.isoen_US
dc.subjectPavements
dc.subjectFoamed bitumen
dc.subjectFinite elements
dc.subjectModelling
dc.subjectShear strength models
dc.titleInterpretation of laboratory and full-scale testing of New Zealand foamed bitumen pavements using finite-element modelling
dc.typeArtículo

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