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    The Dynamic Modulus of Asphalt Mortar and Its Master Curve

    Source: Journal of Highway and Transportation Research and Development (English Edition ):;2017:;Volume ( 011 ):;issue: 002
    Author:
    Ming-feng Chang
    ,
    Dong-dong Zhang
    ,
    Yong Liu
    ,
    Yan-ping Sheng
    DOI: 10.1061/JHTRCQ.0000562
    Publisher: American Society of Civil Engineers
    Abstract: The asphalt mortar specimens of AC-13 asphalt mixture with removed coarse aggregates are prepared using a static pressing method to study the changes in the dynamic modulus of asphalt mortar with different asphalt contents at different temperatures and to obtain the dynamic moduli with wider frequency and temperature ranges. The dynamic moduli of asphalt mortars with different asphalt contents at different temperatures are measured using a simple performance test. The master curve equation of the dynamic modulus of asphalt mortar is calculated based on the time-temperature equivalence principle. The results show that (1) under the same asphalt content and temperature condition, the dynamic modulus of asphalt mortar increases with the increase in loading frequency, the dynamic modulus of asphalt mortar decreases with the increase in asphalt content, the minimum difference in dynamic moduli with different asphalt-aggregate ratios under the same frequency is 1.28%, and the maximum difference is 23.90%; (2) the dynamic modulus of asphalt mortars decreases as the temperature rises, and the difference in dynamic moduli is small at 5°C and 10°C; and (3) dynamic moduli with wide frequency and temperature ranges can be obtained from the master curve of the dynamic modulus of asphalt mortars.
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      The Dynamic Modulus of Asphalt Mortar and Its Master Curve

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4237297
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    contributor authorMing-feng Chang
    contributor authorDong-dong Zhang
    contributor authorYong Liu
    contributor authorYan-ping Sheng
    date accessioned2017-12-16T09:00:17Z
    date available2017-12-16T09:00:17Z
    date issued2017
    identifier otherJHTRCQ.0000562.pdf
    identifier urihttp://138.201.223.254:8080/yetl1/handle/yetl/4237297
    description abstractThe asphalt mortar specimens of AC-13 asphalt mixture with removed coarse aggregates are prepared using a static pressing method to study the changes in the dynamic modulus of asphalt mortar with different asphalt contents at different temperatures and to obtain the dynamic moduli with wider frequency and temperature ranges. The dynamic moduli of asphalt mortars with different asphalt contents at different temperatures are measured using a simple performance test. The master curve equation of the dynamic modulus of asphalt mortar is calculated based on the time-temperature equivalence principle. The results show that (1) under the same asphalt content and temperature condition, the dynamic modulus of asphalt mortar increases with the increase in loading frequency, the dynamic modulus of asphalt mortar decreases with the increase in asphalt content, the minimum difference in dynamic moduli with different asphalt-aggregate ratios under the same frequency is 1.28%, and the maximum difference is 23.90%; (2) the dynamic modulus of asphalt mortars decreases as the temperature rises, and the difference in dynamic moduli is small at 5°C and 10°C; and (3) dynamic moduli with wide frequency and temperature ranges can be obtained from the master curve of the dynamic modulus of asphalt mortars.
    publisherAmerican Society of Civil Engineers
    titleThe Dynamic Modulus of Asphalt Mortar and Its Master Curve
    typeJournal Paper
    journal volume11
    journal issue2
    journal titleJournal of Highway and Transportation Research and Development (English Edition)
    identifier doi10.1061/JHTRCQ.0000562
    treeJournal of Highway and Transportation Research and Development (English Edition ):;2017:;Volume ( 011 ):;issue: 002
    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
    yabeshDSpacePersian