In windy, dry and torrid regions, early-age cracking severely threatens airfield pavement durability. In the light of the analysis of drying shrinkage mechanism of pavement concrete, a model for drying shrinkage deformation of early-age pavement concrete was designed. Besides, the model was validated with experimental data. The result of experiment shows: as to the pavement concrete of w/c=0.35, drying shrinkage strain can approximately reach 1.8 mm/m during 20 days after casting, and the shrinkage strain rate is relatively high in early 7 days; drying shrinkage strain of pavement concrete is an exponential function of time.


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    Title :

    Drying Shrinkage Model of Airfield Pavement Concrete in Windy, Dry, and Torrid Regions


    Contributors:
    Zhang, Bin (author) / Xu, Jinyu (author)

    Conference:

    Second International Conference on Transportation Engineering ; 2009 ; Southwest Jiaotong University, Chengdu, China



    Publication date :

    2009-07-29




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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