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    Effects of Oxygen Isolation and Light–Oxygen Coupling Ultraviolet Aging on Adhesion, Micromorphology, and Functional Groups of Warm-Mix Asphalt

    Source: Journal of Materials in Civil Engineering:;2023:;Volume ( 035 ):;issue: 009::page 04023309-1
    Author:
    Yongning Wang
    ,
    Bo Li
    ,
    Dongna Li
    ,
    Dingbang Wei
    ,
    Chongzhi Tu
    ,
    Xiaoyu Ren
    ,
    Yongbin Zhang
    DOI: 10.1061/JMCEE7.MTENG-15840
    Publisher: ASCE
    Abstract: To investigate the water damage effects and aging mechanism of warm-mix asphalt (WMA) after oxygen isolation and light–oxygen coupling ultraviolet (UV) aging, contact angle and adhesion performance tests were performed. The UV aging mechanism of WMA was analyzed using Fourier transform infrared spectroscopy and atomic force microscopy. The relationship between adhesion and surface roughness of WMA after UV aging was established. The test results indicated that as aging time increased, the water damage resistance of WMA gradually weakened. After the UV aging time exceeded 150 h, the adhesion performance of WMA gradually stabilized, and the addition of oxygen increased the UV aging effect. Additionally, the formation of strong polar substances and oxygen-containing functional groups precipitated by asphaltene gelation is the main reason for the attenuation of WMA adhesion performance.
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      Effects of Oxygen Isolation and Light–Oxygen Coupling Ultraviolet Aging on Adhesion, Micromorphology, and Functional Groups of Warm-Mix Asphalt

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/4293903
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    • Journal of Materials in Civil Engineering

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    contributor authorYongning Wang
    contributor authorBo Li
    contributor authorDongna Li
    contributor authorDingbang Wei
    contributor authorChongzhi Tu
    contributor authorXiaoyu Ren
    contributor authorYongbin Zhang
    date accessioned2023-11-27T23:51:57Z
    date available2023-11-27T23:51:57Z
    date issued6/28/2023 12:00:00 AM
    date issued2023-06-28
    identifier otherJMCEE7.MTENG-15840.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4293903
    description abstractTo investigate the water damage effects and aging mechanism of warm-mix asphalt (WMA) after oxygen isolation and light–oxygen coupling ultraviolet (UV) aging, contact angle and adhesion performance tests were performed. The UV aging mechanism of WMA was analyzed using Fourier transform infrared spectroscopy and atomic force microscopy. The relationship between adhesion and surface roughness of WMA after UV aging was established. The test results indicated that as aging time increased, the water damage resistance of WMA gradually weakened. After the UV aging time exceeded 150 h, the adhesion performance of WMA gradually stabilized, and the addition of oxygen increased the UV aging effect. Additionally, the formation of strong polar substances and oxygen-containing functional groups precipitated by asphaltene gelation is the main reason for the attenuation of WMA adhesion performance.
    publisherASCE
    titleEffects of Oxygen Isolation and Light–Oxygen Coupling Ultraviolet Aging on Adhesion, Micromorphology, and Functional Groups of Warm-Mix Asphalt
    typeJournal Article
    journal volume35
    journal issue9
    journal titleJournal of Materials in Civil Engineering
    identifier doi10.1061/JMCEE7.MTENG-15840
    journal fristpage04023309-1
    journal lastpage04023309-16
    page16
    treeJournal of Materials in Civil Engineering:;2023:;Volume ( 035 ):;issue: 009
    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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