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    Characterization of Rutting (Permanent Strain) Development of A-2-4 and A-4 Subgrade Soils under the HVS Loading

    Source: Journal of Performance of Constructed Facilities:;2010:;Volume ( 024 ):;issue: 004
    Author:
    Rongxia Wang
    ,
    Fujie Zhou
    ,
    Dar-Hao Chen
    ,
    Gang Zheng
    ,
    Tom Scullion
    ,
    Lubinda F. Walubita
    DOI: 10.1061/(ASCE)CF.1943-5509.0000107
    Publisher: American Society of Civil Engineers
    Abstract: As part of a national pool funded study 208 on pavement subgrade performance, 12 full-scale test sections (four soil types and three moisture contents) were constructed and tested under the heavy vehicle simulator (HVS) loading. This paper presents the HVS results on two of the four soils tested: AASHTO Class A-2-4 and A-4 soils, respectively. From the results, it was found that the pavement subgrade performance is a function of soil type, moisture content, and applied stress condition. Additionally, this paper also evaluated the current mechanistic-empirical pavement design guide (MEPDG) subgrade rutting (permanent strain) model through comparing with the actual measurements under the HVS loading. It was found that the MEPDG subgrade permanent strain model needs further improvement, and that a single performance model may not be universally applicable to different subgrade soil types. Consequently, a new permanent strain model for each soil type was developed in this paper, based on the HVS results, and that yielded better predictions. With further validation and field calibration, the proposed models offer promising potential to accurately predict rutting behavior of these two soils.
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      Characterization of Rutting (Permanent Strain) Development of A-2-4 and A-4 Subgrade Soils under the HVS Loading

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    http://yetl.yabesh.ir/yetl1/handle/yetl/57698
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    contributor authorRongxia Wang
    contributor authorFujie Zhou
    contributor authorDar-Hao Chen
    contributor authorGang Zheng
    contributor authorTom Scullion
    contributor authorLubinda F. Walubita
    date accessioned2017-05-08T21:37:18Z
    date available2017-05-08T21:37:18Z
    date copyrightAugust 2010
    date issued2010
    identifier other%28asce%29cf%2E1943-5509%2E0000110.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/57698
    description abstractAs part of a national pool funded study 208 on pavement subgrade performance, 12 full-scale test sections (four soil types and three moisture contents) were constructed and tested under the heavy vehicle simulator (HVS) loading. This paper presents the HVS results on two of the four soils tested: AASHTO Class A-2-4 and A-4 soils, respectively. From the results, it was found that the pavement subgrade performance is a function of soil type, moisture content, and applied stress condition. Additionally, this paper also evaluated the current mechanistic-empirical pavement design guide (MEPDG) subgrade rutting (permanent strain) model through comparing with the actual measurements under the HVS loading. It was found that the MEPDG subgrade permanent strain model needs further improvement, and that a single performance model may not be universally applicable to different subgrade soil types. Consequently, a new permanent strain model for each soil type was developed in this paper, based on the HVS results, and that yielded better predictions. With further validation and field calibration, the proposed models offer promising potential to accurately predict rutting behavior of these two soils.
    publisherAmerican Society of Civil Engineers
    titleCharacterization of Rutting (Permanent Strain) Development of A-2-4 and A-4 Subgrade Soils under the HVS Loading
    typeJournal Paper
    journal volume24
    journal issue4
    journal titleJournal of Performance of Constructed Facilities
    identifier doi10.1061/(ASCE)CF.1943-5509.0000107
    treeJournal of Performance of Constructed Facilities:;2010:;Volume ( 024 ):;issue: 004
    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