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    Comparison of SBS-Modified Asphalt Rheological Properties during Simple-Aging Test

    Source: Journal of Materials in Civil Engineering:;2020:;Volume ( 032 ):;issue: 009
    Author:
    Zhuang Zhang
    ,
    Sen Han
    ,
    Xiao Han
    ,
    Xianpeng Cheng
    ,
    Tengfei Yao
    DOI: 10.1061/(ASCE)MT.1943-5533.0003316
    Publisher: ASCE
    Abstract: The objective of this paper is to evaluate the effect of different aging times on the performance of styrene-butadiene-styrene (SBS) copolymer–modified asphalt. Two kinds of SBS-modified asphalt with different SBS contents were selected, and a self-developed indoor aging equipment simple-aging test (SAT) was used to age the SBS asphalt binder for different times and different temperatures. The penetration, softening point, ductility, and Brookfield viscosity of the aged samples were tested, and the rheological properties of the aged samples were tested by dynamic shear rheometer (DSR). It was found that the rheological behaviors of the aged samples at high, medium, and low temperatures were closely related to the aging time and SBS contents. In addition, during certain aging temperatures and times, different physical and rheological indexes showed that the performances of SBS-modified asphalt after SAT was similar to that after rolling thin-film oven test (RTFOT) and pressurized aging vessel (PAV).
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      Comparison of SBS-Modified Asphalt Rheological Properties during Simple-Aging Test

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/4267247
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    • Journal of Materials in Civil Engineering

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    contributor authorZhuang Zhang
    contributor authorSen Han
    contributor authorXiao Han
    contributor authorXianpeng Cheng
    contributor authorTengfei Yao
    date accessioned2022-01-30T20:51:32Z
    date available2022-01-30T20:51:32Z
    date issued9/1/2020 12:00:00 AM
    identifier other%28ASCE%29MT.1943-5533.0003316.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4267247
    description abstractThe objective of this paper is to evaluate the effect of different aging times on the performance of styrene-butadiene-styrene (SBS) copolymer–modified asphalt. Two kinds of SBS-modified asphalt with different SBS contents were selected, and a self-developed indoor aging equipment simple-aging test (SAT) was used to age the SBS asphalt binder for different times and different temperatures. The penetration, softening point, ductility, and Brookfield viscosity of the aged samples were tested, and the rheological properties of the aged samples were tested by dynamic shear rheometer (DSR). It was found that the rheological behaviors of the aged samples at high, medium, and low temperatures were closely related to the aging time and SBS contents. In addition, during certain aging temperatures and times, different physical and rheological indexes showed that the performances of SBS-modified asphalt after SAT was similar to that after rolling thin-film oven test (RTFOT) and pressurized aging vessel (PAV).
    publisherASCE
    titleComparison of SBS-Modified Asphalt Rheological Properties during Simple-Aging Test
    typeJournal Paper
    journal volume32
    journal issue9
    journal titleJournal of Materials in Civil Engineering
    identifier doi10.1061/(ASCE)MT.1943-5533.0003316
    page11
    treeJournal of Materials in Civil Engineering:;2020:;Volume ( 032 ):;issue: 009
    contenttypeFulltext
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