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    Effective Temperature Differential in Concrete Pavements

    Source: Journal of Transportation Engineering, Part A: Systems:;1998:;Volume ( 124 ):;issue: 002
    Author:
    Chen-Ming Kuo
    DOI: 10.1061/(ASCE)0733-947X(1998)124:2(112)
    Publisher: American Society of Civil Engineers
    Abstract: To evaluate curling stresses in concrete pavements requires the input of a temperature differential or even a temperature distribution between the top and bottom of slabs. However, the slab temperature fluctuates throughout a day with many weather factors, such as air temperature, sunshine, clouds, and rain. It is still controversial about which measure during a day is the most appropriate input for curling analysis. The stress model adopted in this study to estimate pavement damage was developed with three-dimensional (3D) finite-element analysis. Field temperature measurements during different times of a day at 14 sites in the United States were input to calculate pavement compound stresses due to curling and wheel loads. By introducing fatigue hypothesis, an algorithm was developed to obtain “equivalent damages” and “effective temperature differential.” The calculated effective temperature differentials were further correlated with local climate data.
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      Effective Temperature Differential in Concrete Pavements

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    http://yetl.yabesh.ir/yetl1/handle/yetl/37073
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    contributor authorChen-Ming Kuo
    date accessioned2017-05-08T21:03:36Z
    date available2017-05-08T21:03:36Z
    date copyrightMarch 1998
    date issued1998
    identifier other%28asce%290733-947x%281998%29124%3A2%28112%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/37073
    description abstractTo evaluate curling stresses in concrete pavements requires the input of a temperature differential or even a temperature distribution between the top and bottom of slabs. However, the slab temperature fluctuates throughout a day with many weather factors, such as air temperature, sunshine, clouds, and rain. It is still controversial about which measure during a day is the most appropriate input for curling analysis. The stress model adopted in this study to estimate pavement damage was developed with three-dimensional (3D) finite-element analysis. Field temperature measurements during different times of a day at 14 sites in the United States were input to calculate pavement compound stresses due to curling and wheel loads. By introducing fatigue hypothesis, an algorithm was developed to obtain “equivalent damages” and “effective temperature differential.” The calculated effective temperature differentials were further correlated with local climate data.
    publisherAmerican Society of Civil Engineers
    titleEffective Temperature Differential in Concrete Pavements
    typeJournal Paper
    journal volume124
    journal issue2
    journal titleJournal of Transportation Engineering, Part A: Systems
    identifier doi10.1061/(ASCE)0733-947X(1998)124:2(112)
    treeJournal of Transportation Engineering, Part A: Systems:;1998:;Volume ( 124 ):;issue: 002
    contenttypeFulltext
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