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    Influence of Base Asphalt and SBS Modifier on the Weathering Aging Behaviors of SBS Modified Asphalt

    Source: Journal of Materials in Civil Engineering:;2018:;Volume ( 030 ):;issue: 003
    Author:
    Zhu Chongzheng;Zhang Henglong;Zhang Dongmei;Chen Zihao
    DOI: 10.1061/(ASCE)MT.1943-5533.0002188
    Publisher: American Society of Civil Engineers
    Abstract: This work studied the weathering aging behaviors of styrene-butadiene-styrene copolymer (SBS) modified asphalt. The aging behaviors mainly included physical and rheological properties, chemical structure, and morphology, which were evaluated by viscosity, dynamic shear rheometer (DSR), bending beam rheometer (BBR), Fourier transform infrared spectroscopy (FTIR), and fluorescence microscope tests. The results showed that the SBS modified asphalt had the best ability to resist weathering aging compared with the single SBS modifier or base asphalt. Early weathering aging could improve the compatibility between the base asphalt and the SBS modifier and enhance the modification effect of the SBS modifier to the base asphalt. The gray relation entropy analysis indicated that during the weathering aging of SBS modified asphalt, the complex modulus aging index (CMAI) at 3°C showed the closest relationship with the degradation of the SBS modifier compared with other aging indicators.
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      Influence of Base Asphalt and SBS Modifier on the Weathering Aging Behaviors of SBS Modified Asphalt

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/4247558
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    contributor authorZhu Chongzheng;Zhang Henglong;Zhang Dongmei;Chen Zihao
    date accessioned2019-02-26T07:31:15Z
    date available2019-02-26T07:31:15Z
    date issued2018
    identifier other%28ASCE%29MT.1943-5533.0002188.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4247558
    description abstractThis work studied the weathering aging behaviors of styrene-butadiene-styrene copolymer (SBS) modified asphalt. The aging behaviors mainly included physical and rheological properties, chemical structure, and morphology, which were evaluated by viscosity, dynamic shear rheometer (DSR), bending beam rheometer (BBR), Fourier transform infrared spectroscopy (FTIR), and fluorescence microscope tests. The results showed that the SBS modified asphalt had the best ability to resist weathering aging compared with the single SBS modifier or base asphalt. Early weathering aging could improve the compatibility between the base asphalt and the SBS modifier and enhance the modification effect of the SBS modifier to the base asphalt. The gray relation entropy analysis indicated that during the weathering aging of SBS modified asphalt, the complex modulus aging index (CMAI) at 3°C showed the closest relationship with the degradation of the SBS modifier compared with other aging indicators.
    publisherAmerican Society of Civil Engineers
    titleInfluence of Base Asphalt and SBS Modifier on the Weathering Aging Behaviors of SBS Modified Asphalt
    typeJournal Paper
    journal volume30
    journal issue3
    journal titleJournal of Materials in Civil Engineering
    identifier doi10.1061/(ASCE)MT.1943-5533.0002188
    page4017306
    treeJournal of Materials in Civil Engineering:;2018:;Volume ( 030 ):;issue: 003
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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