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Broadband Dielectric Measurement Methods for Soft Geomaterials: Coaxial Transmission Line Cell and Open-Ended Coaxial Probe

  • Broadband dielectric measurement methods based on vector network analyzer coupled with coaxial transmission line cell (CC) and open-ended coaxial probe (OC) are simply reviewed, by which the dielectric behaviors in the frequency range of 1 MHz to 3 GHz of two practical geomaterials are investigated. Kaolin after modified compaction with different water contents is measured by using CC. The resultsBroadband dielectric measurement methods based on vector network analyzer coupled with coaxial transmission line cell (CC) and open-ended coaxial probe (OC) are simply reviewed, by which the dielectric behaviors in the frequency range of 1 MHz to 3 GHz of two practical geomaterials are investigated. Kaolin after modified compaction with different water contents is measured by using CC. The results are consistent with previous study on standardized compacted kaolin and suggest that the dielectric properties at frequencies below 100 MHz are not only a function of water content but also functions of other soil state parameters including dry density. The hydration process of a commercial grout is monitored in real time by using OC. It is found that the time dependent dielectric properties can accurately reveal the different stages of the hydration process. These measurement results demonstrate the practicability of the introduced methods in determining dielectric properties of soft geomaterials.show moreshow less

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Document Type:Article
Author:Dr. Zhen Chen, Dr. Moritz Schwing, Dr. Jurij Karlovšek, Dr. Norman WagnerORCiDGND, Prof. Dr.-Ing. Alexander ScheuermannGND
DOI (Cite-Link):https://doi.org/10.7763/IJET.2014.V6.728Cite-Link
URN (Cite-Link):https://nbn-resolving.org/urn:nbn:de:gbv:wim2-20210408-43984Cite-Link
URL:http://www.ijetch.org/index.php?m=content&c=index&a=show&catid=58&id=838
Parent Title (English):International Journal of Engineering and Technology
Language:English
Date of Publication (online):2014/04/03
Date of first Publication:2014/04/03
Release Date:2021/04/08
Publishing Institution:Bauhaus-Universität Weimar
Institutes and partner institutions:An-Institute / Materialforschungs- und -prüfanstalt an der Bauhaus-Universität
Volume:2014
Issue:volume 6, number 5
Pagenumber:8
First Page:373
Last Page:380
Tag:Dielectric spectroscopy; Electromagnetic properties of porous materials; coaxial transmission line; open-ended coaxial probe; physicochemical properties of geomaterials; real-time monitoring
GND Keyword:Impedanzspektroskopie; Koaxialkabel
Dewey Decimal Classification:500 Naturwissenschaften und Mathematik
BKL-Classification:33 Physik
38 Geowissenschaften
53 Elektrotechnik
Licence (German):License Logo Creative Commons 4.0 - Namensnennung (CC BY 4.0)