Permanent deformation performance under moisture effect of an asphalt mixture modified by calcium carbonate nanoparticles

Alexandre Luiz Manfro,João Victor Staub de Melo,Joe Arnaldo Villena Del Carpio,Wellington Borba Broering

Construction and Building Materials（2022）

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摘要

•A polymeric asphalt binder was reinforced with different nano-CaCO3 contents;•Permanent deformation of asphalt mixtures was investigated under moisture effect;•Nano-CaCO3 improved physical/chemical interactions in binder-aggregate interface;•Asphalt nanocomposites had better rheological parameters in high temperatures;•Nano-CaCO3 reduced permanent deformation for dry control and conditioned mixtures.

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关键词

Nanoparticles,Calcium carbonate,Asphalt nanocomposites,Rheological behavior,Asphalt mixtures,Permanent deformation,Moisture damage

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