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.

引用

页数：6

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