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    Surface Zone Concrete: Drying, Absorption, and Moisture Distribution

    Source: Journal of Materials in Civil Engineering:;2001:;Volume ( 013 ):;issue: 001
    Author:
    W. J. McCarter
    ,
    D. W. Watson
    ,
    T. M. Chrisp
    DOI: 10.1061/(ASCE)0899-1561(2001)13:1(49)
    Publisher: American Society of Civil Engineers
    Abstract: A combination of gravimetric, internal relative humidity, and electrical measurements were used to study moisture changes and spatial distribution of moisture within the surface 100 mm of concrete. Specimens were subjected to a repeated drying and wetting regime. The testing program highlighted the influence of binder type, water/binder ratio, initial curing regime, and cyclic drying/wetting on surface-zone absorption and desorption characteristics. It is shown that electrical measurements taken at discrete points within the surface 100 mm can be used to estimate the zone of concrete most influenced by evaporative and wetting processes. A relationship was established between the integrated area between conductivity profiles and cumulative water uptake by the surface region. Over the 12-month test period, electrical conductivity measurements also indicated ongoing hydration and pozzolanic reactions.
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      Surface Zone Concrete: Drying, Absorption, and Moisture Distribution

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    http://yetl.yabesh.ir/yetl1/handle/yetl/45671
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    contributor authorW. J. McCarter
    contributor authorD. W. Watson
    contributor authorT. M. Chrisp
    date accessioned2017-05-08T21:17:14Z
    date available2017-05-08T21:17:14Z
    date copyrightFebruary 2001
    date issued2001
    identifier other%28asce%290899-1561%282001%2913%3A1%2849%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/45671
    description abstractA combination of gravimetric, internal relative humidity, and electrical measurements were used to study moisture changes and spatial distribution of moisture within the surface 100 mm of concrete. Specimens were subjected to a repeated drying and wetting regime. The testing program highlighted the influence of binder type, water/binder ratio, initial curing regime, and cyclic drying/wetting on surface-zone absorption and desorption characteristics. It is shown that electrical measurements taken at discrete points within the surface 100 mm can be used to estimate the zone of concrete most influenced by evaporative and wetting processes. A relationship was established between the integrated area between conductivity profiles and cumulative water uptake by the surface region. Over the 12-month test period, electrical conductivity measurements also indicated ongoing hydration and pozzolanic reactions.
    publisherAmerican Society of Civil Engineers
    titleSurface Zone Concrete: Drying, Absorption, and Moisture Distribution
    typeJournal Paper
    journal volume13
    journal issue1
    journal titleJournal of Materials in Civil Engineering
    identifier doi10.1061/(ASCE)0899-1561(2001)13:1(49)
    treeJournal of Materials in Civil Engineering:;2001:;Volume ( 013 ):;issue: 001
    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
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