Measurement of mortar permittivity during setting using a coplanar waveguide

被引：10
|
作者：
Juan-Garcia, P. [1 ]
Torrents, J. M. [1 ]
机构：
[1] Tech Univ Catalonia, Dept Elect Engn, Barcelona 08034, Spain
来源：
MEASUREMENT SCIENCE AND TECHNOLOGY | 2010年 / 21卷 / 04期
关键词：
coplanar waveguide; mortar non-destructive testing; permittivity; TRANSMISSION-LINES; SYSTEM;
D O I：
10.1088/0957-0233/21/4/045702
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A sensor based on a coplanar waveguide structure was designed to perform non-destructive tests for material characterization in which the measurement can be done only on one side of the sample. The measurements were compared with the impedance of a capacitor filled with the same material. The permittivity and insertion loss of the sensor showed valuable information about the setting process of a mortar slab during the first 28 days of the hardening process, and a good correlation between both measurements was obtained, so the proposed setup can be useful for structural surveillance and moisture detection in civil structures.
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收藏
页数：6
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