Measurement and monitoring of microwave reflection and transmission properties of cement-based specimens

S. N. Kharkovsky, M. F. Akay, U. C. Hasar, C. D. Atiş

    Research output: Chapter in Book / Conference PaperConference Paperpeer-review

    17 Citations (Scopus)

    Abstract

    The results of measurement and monitoring of reflection and transmission properties of cement-based specimens (blocks of mortar, concrete) during long time of their service lives, including hydration process, and different curing conditions at microwave frequencies (X-band) are presented. A simple and inexpensive measurement system that utilizes the non-destructive and contactless free space method is used. Dependencies of the reflection and transmission coefficients on water-to-cement ratio, preparing and curing conditions of the specimens are demonstrated. It is shown that the reflection coefficient is approximately stable after hydration process while the transmission coefficient changes during long time of the specimen's service live. The complex dielectric permittivity of the cement-based materials is calculated by a new method using only the amplitudes of the reflection and transmission coefficients. The expected applications of the results are discussed.
    Original languageEnglish
    Title of host publicationRediscovering Measurement in the Age of Informatics : Proceedings of the 18th IEEE Instrumentation and Measurement Technology Conference, 21- 23 May 2001, Budapest, Hungary
    PublisherIEEE
    Pages513-518
    Number of pages6
    ISBN (Print)780366468
    DOIs
    Publication statusPublished - 2001
    EventIEEE Instrumentation and Measurement Technology Conference -
    Duration: 16 May 2005 → …

    Publication series

    Name
    ISSN (Print)1091-5281

    Conference

    ConferenceIEEE Instrumentation and Measurement Technology Conference
    Period16/05/05 → …

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