Crumb rubber modified asphalts (CRMA) mastic is an important part of CRMA mixture, however, the testing condition restricts its research in our country. In order to study the effect of fillers on the high temperature properties of CRMA mastic, mineral powder, and cement were selected as the fillers and the CRMA mastic were prepared using different filler-to-binder ratios (F/B). The study evaluated the high temperature properties of different CRMA mastic by zero shear viscosity and fail temperature. Test results indicate that with the increase of F/B, fail temperature and zero shear viscosity in the creep recovery phase of CRMA mastic are gradually larger, and the high temperature properties of CRMA mastic has been significantly improved. Compared with the same F/B, the fail temperature and zero shear viscosity in the creep recovery phase of CRMA mastic, which using mineral powder as filler is larger than the one, which using cement as filler. Mineral powder is better than cement in the aspect of improving the high temperature properties of CRMA mastic. The result of this paper can provide a theoretical basis for improving the road performance of CRMA mastic.


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    Titel :

    Effects of Fillers on the High Temperature Properties of CRMA Mastic


    Beteiligte:
    Yu, Xin (Autor:in) / Ding, Peng (Autor:in) / Xu, Dawei (Autor:in) / Yin, Long (Autor:in) / Wang, Ying (Autor:in)

    Kongress:

    2015 International Symposium on Frontiers of Road and Airport Engineering ; 2015 ; Shanghai, China



    Erscheinungsdatum :

    2015-10-22




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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