Non-destructive coaxial transmission line measurements for dielectric soil characterization

Schwing, M., Chen, Z., Scheuermann, A. and Wagner, N. (2014). Non-destructive coaxial transmission line measurements for dielectric soil characterization. In: 2014 IEEE SAS Sensors Applications Symposium: Proceedings. SAS 2014 IEEE Sensors Applications Symposium, Queenstown, New Zealand, (248-252). 18-20 February 2014. doi:10.1109/SAS.2014.6798955

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Author Schwing, M.
Chen, Z.
Scheuermann, A.
Wagner, N.
Title of paper Non-destructive coaxial transmission line measurements for dielectric soil characterization
Conference name SAS 2014 IEEE Sensors Applications Symposium
Conference location Queenstown, New Zealand
Conference dates 18-20 February 2014
Convener Gourab Sen Gupta and Alessandra Flammini
Proceedings title 2014 IEEE SAS Sensors Applications Symposium: Proceedings
Journal name 2014 IEEE Sensors Applications Symposium, SAS 2014 - Proceedings
Place of Publication Piscataway, NJ, USA
Publisher IEEE
Publication Year 2014
Sub-type Fully published paper
DOI 10.1109/SAS.2014.6798955
Open Access Status
ISBN 9781479921805
Start page 248
End page 252
Total pages 5
Collection year 2015
Language eng
Formatted Abstract/Summary
A high-frequency electromagnetic measurement technique is employed to investigate dielectric properties of a fine-grained soil. As a case study, a standardized compacted fine-grained soil was investigated using a coaxial transmission line cell in combination with vector network analyzer technique in a frequency range from 1 MHz to 3 GHz. The measurement results indicate that this type of sensor enables the broadband determination of soil dielectric spectra, i.e. the frequency dependent relative effective complex permittivity. Hence, with the introduced coaxial transmission line setup the dielectric relaxation behavior of the investigated soil can reliably characterize defined structural states. Moreover, it was found that dielectric material parameters at high frequencies are mainly related to the volume fractions of the soil phases, i.e. water content whereas at low frequencies to soil structure and density due to interface processes.
Keyword Dielectric measurement
Dielectrics
Permittivity
Coaxial transmission line cell
Soil measurements
Q-Index Code E1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Conference Paper
Collections: School of Civil Engineering Publications
Official 2015 Collection
 
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Created: Thu, 24 Apr 2014, 10:07:44 EST by Zhen Chen on behalf of School of Civil Engineering