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    Procedure to Interpret Electrical Conductivity Measurements in Cover Concrete during Rewetting

    Source: Journal of Materials in Civil Engineering:;2005:;Volume ( 017 ):;issue: 005
    Author:
    Farshad Rajabipour
    ,
    Jason Weiss
    ,
    John D. Shane
    ,
    Thomas O. Mason
    ,
    Surendra P. Shah
    DOI: 10.1061/(ASCE)0899-1561(2005)17:5(586)
    Publisher: American Society of Civil Engineers
    Abstract: This paper discusses the interpretation of electrical conductivity measurements in concrete to assess water penetration. Specifically, a series of finite element simulations were performed to develop an analytical function that relates the measured electrical conductivity to the position of the moisture front inside a concrete specimen. The effects of specimen size and electrode location were considered in the simulations. An approach is demonstrated whereby the measured conductivity was used to determine the position of the moisture front after rewetting thereby enabling the sorption properties of the cover concrete to be evaluated. The method described in this paper improves on previous approaches in that it enables resolving the position of moisture front based on only one electrical measurement and properties of the saturated and unsaturated concrete. This allows the use of one electrode pair to detect the position of moisture front at any time a measurement is performed.
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      Procedure to Interpret Electrical Conductivity Measurements in Cover Concrete during Rewetting

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    http://yetl.yabesh.ir/yetl1/handle/yetl/46071
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    contributor authorFarshad Rajabipour
    contributor authorJason Weiss
    contributor authorJohn D. Shane
    contributor authorThomas O. Mason
    contributor authorSurendra P. Shah
    date accessioned2017-05-08T21:17:54Z
    date available2017-05-08T21:17:54Z
    date copyrightOctober 2005
    date issued2005
    identifier other%28asce%290899-1561%282005%2917%3A5%28586%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/46071
    description abstractThis paper discusses the interpretation of electrical conductivity measurements in concrete to assess water penetration. Specifically, a series of finite element simulations were performed to develop an analytical function that relates the measured electrical conductivity to the position of the moisture front inside a concrete specimen. The effects of specimen size and electrode location were considered in the simulations. An approach is demonstrated whereby the measured conductivity was used to determine the position of the moisture front after rewetting thereby enabling the sorption properties of the cover concrete to be evaluated. The method described in this paper improves on previous approaches in that it enables resolving the position of moisture front based on only one electrical measurement and properties of the saturated and unsaturated concrete. This allows the use of one electrode pair to detect the position of moisture front at any time a measurement is performed.
    publisherAmerican Society of Civil Engineers
    titleProcedure to Interpret Electrical Conductivity Measurements in Cover Concrete during Rewetting
    typeJournal Paper
    journal volume17
    journal issue5
    journal titleJournal of Materials in Civil Engineering
    identifier doi10.1061/(ASCE)0899-1561(2005)17:5(586)
    treeJournal of Materials in Civil Engineering:;2005:;Volume ( 017 ):;issue: 005
    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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