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    Thermography-Driven Distress Prediction from Hot Mix Asphalt Road Paving Construction

    Source: Journal of Construction Engineering and Management:;2012:;Volume ( 138 ):;issue: 002
    Author:
    Yong K. Cho
    ,
    Thaddaeus Bode
    ,
    Jongchul Song
    ,
    Jin-Hoon Jeong
    DOI: 10.1061/(ASCE)CO.1943-7862.0000395
    Publisher: American Society of Civil Engineers
    Abstract: This research was conducted to assess the effects of temperature segregation in hot-mix asphalt (HMA) paving construction on pavement distress in the early stages of its life cycle. Several paving projects across Nebraska were visited in which sensory devices were used to test how density, moisture content within the asphalt, material surface temperature, internal temperature, wind speed, haul time, and equipment type, contribute to temperature differential. Areas of high temperature differential were identified using an infrared thermal camera. A nonnuclear density device was also used to record how lower temperature asphalt density correlates with a more consistent hot area. The location was marked digitally with a handheld global positioning system (GPS) to locate points of interest for future site revisits to verify research findings. The research findings indicate that among the investigated variables, truck types and density are highly correlated with temperature differential. Additionally, analysis of data from revisits after one or two freeze-thaw seasons shows that higher temperature differential is significantly correlated with premature distress (PD) of paved HMA roads while they are still in new condition. This finding suggests that higher temperature segregation created from paving construction in the zone of freeze-thaw cycles promotes visible surface distress in the very early stage of the pavement life cycle.
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      Thermography-Driven Distress Prediction from Hot Mix Asphalt Road Paving Construction

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    http://yetl.yabesh.ir/yetl1/handle/yetl/58555
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    contributor authorYong K. Cho
    contributor authorThaddaeus Bode
    contributor authorJongchul Song
    contributor authorJin-Hoon Jeong
    date accessioned2017-05-08T21:39:31Z
    date available2017-05-08T21:39:31Z
    date copyrightFebruary 2012
    date issued2012
    identifier other%28asce%29co%2E1943-7862%2E0000401.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/58555
    description abstractThis research was conducted to assess the effects of temperature segregation in hot-mix asphalt (HMA) paving construction on pavement distress in the early stages of its life cycle. Several paving projects across Nebraska were visited in which sensory devices were used to test how density, moisture content within the asphalt, material surface temperature, internal temperature, wind speed, haul time, and equipment type, contribute to temperature differential. Areas of high temperature differential were identified using an infrared thermal camera. A nonnuclear density device was also used to record how lower temperature asphalt density correlates with a more consistent hot area. The location was marked digitally with a handheld global positioning system (GPS) to locate points of interest for future site revisits to verify research findings. The research findings indicate that among the investigated variables, truck types and density are highly correlated with temperature differential. Additionally, analysis of data from revisits after one or two freeze-thaw seasons shows that higher temperature differential is significantly correlated with premature distress (PD) of paved HMA roads while they are still in new condition. This finding suggests that higher temperature segregation created from paving construction in the zone of freeze-thaw cycles promotes visible surface distress in the very early stage of the pavement life cycle.
    publisherAmerican Society of Civil Engineers
    titleThermography-Driven Distress Prediction from Hot Mix Asphalt Road Paving Construction
    typeJournal Paper
    journal volume138
    journal issue2
    journal titleJournal of Construction Engineering and Management
    identifier doi10.1061/(ASCE)CO.1943-7862.0000395
    treeJournal of Construction Engineering and Management:;2012:;Volume ( 138 ):;issue: 002
    contenttypeFulltext
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