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    Influence of the Instrumental Inertia Effect on the Asphalt Binder Oscillation Measurement

    Source: Journal of Materials in Civil Engineering:;2023:;Volume ( 035 ):;issue: 007::page 04023207-1
    Author:
    Chuanqi Yan
    ,
    Xiaotao Yu
    ,
    Yale Tao
    ,
    Shengxiong Zhou
    ,
    You Zhan
    DOI: 10.1061/JMCEE7.MTENG-14509
    Publisher: American Society of Civil Engineers
    Abstract: Inertia effect is an artifact commonly seen in the oscillation test for soft materials. It is due to the misattribute of the instrument’s elastic component to the sample’s properties, which will lead to overestimated storage modulus (G′) and underestimated phase angle (δ). Inertia effect is widely recognized for bio materials; however, it has not been fully understood for asphalt binder. This article aims to investigate the instrumental inertia effect in the asphalt binder oscillation test. In this study, one plain asphalt, eight elastomeric modified asphalts (EMAs), and six non-elastomeric modified asphalts (non-EMAs) are examined using the oscillation test for a wide temperature range (40°C–140°C). The inertia effects that occurred during the testing are characterized and discussed. It is found that inertia effects also happen to asphalt binders, especially for non-EMA. The existence of inertia effect can be identified by the raw phase parameter being greater than 90°. Increasing the strain amplitude of the oscillation test may alleviate the inertia effect. This might be due to the improved signal/noise ratio of the data. To eliminate the inertia effect artifact during the asphalt binder oscillation measurement, this study recommends a stress-control oscillation test (50 Pa), combined with a lower strain limit of 1% and an upper strain limit of 100%. The results suggest that by using the stress-control approach, the inertia effect can be eliminated and accurate measurements for G′ and phase angle can be obtained.
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      Influence of the Instrumental Inertia Effect on the Asphalt Binder Oscillation Measurement

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    contributor authorChuanqi Yan
    contributor authorXiaotao Yu
    contributor authorYale Tao
    contributor authorShengxiong Zhou
    contributor authorYou Zhan
    date accessioned2023-08-16T19:13:19Z
    date available2023-08-16T19:13:19Z
    date issued2023/07/01
    identifier otherJMCEE7.MTENG-14509.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4292957
    description abstractInertia effect is an artifact commonly seen in the oscillation test for soft materials. It is due to the misattribute of the instrument’s elastic component to the sample’s properties, which will lead to overestimated storage modulus (G′) and underestimated phase angle (δ). Inertia effect is widely recognized for bio materials; however, it has not been fully understood for asphalt binder. This article aims to investigate the instrumental inertia effect in the asphalt binder oscillation test. In this study, one plain asphalt, eight elastomeric modified asphalts (EMAs), and six non-elastomeric modified asphalts (non-EMAs) are examined using the oscillation test for a wide temperature range (40°C–140°C). The inertia effects that occurred during the testing are characterized and discussed. It is found that inertia effects also happen to asphalt binders, especially for non-EMA. The existence of inertia effect can be identified by the raw phase parameter being greater than 90°. Increasing the strain amplitude of the oscillation test may alleviate the inertia effect. This might be due to the improved signal/noise ratio of the data. To eliminate the inertia effect artifact during the asphalt binder oscillation measurement, this study recommends a stress-control oscillation test (50 Pa), combined with a lower strain limit of 1% and an upper strain limit of 100%. The results suggest that by using the stress-control approach, the inertia effect can be eliminated and accurate measurements for G′ and phase angle can be obtained.
    publisherAmerican Society of Civil Engineers
    titleInfluence of the Instrumental Inertia Effect on the Asphalt Binder Oscillation Measurement
    typeJournal Article
    journal volume35
    journal issue7
    journal titleJournal of Materials in Civil Engineering
    identifier doi10.1061/JMCEE7.MTENG-14509
    journal fristpage04023207-1
    journal lastpage04023207-10
    page10
    treeJournal of Materials in Civil Engineering:;2023:;Volume ( 035 ):;issue: 007
    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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