Design and Calibration of a Large Open-Ended Coaxial Probe for the Measurement of the Dielectric Properties of Concrete

Filali, Bilal; Boone, F.R.; Rhazi, J.; Ballivy, G.

doi:10.1109/tmtt.2008.2003520

Cited by 66 publications

(44 citation statements)

References 15 publications

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“…The OEC probe method is one of the most popular techniques for measuring the dielectric properties of cement-based materials [32][33][34][35]. The method has the advantages of being simple, yet maintaining direct-contact, being nondestructive, and having a wide operating bandwidth in the microwave frequency regime.…”

Section: Methods Of Dielectric Constant Measurementmentioning

confidence: 99%

Dielectric Characterization of Chinese Standard Concrete for Compressive Strength Evaluation

Chung

Yuan

et al. 2017

Applied Sciences

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Dielectric characterization of concrete is essential for the wireless structural health monitoring (SHM) of concrete structures. Guo Biao (GB) concrete refers to the concrete mixed and cast in accordance with the Chinese standard. Currently, China is the largest producer and consumer of concrete in the world. However, minimal attention has been paid to the dielectric properties of GB concrete. This paper presents the results of the dielectric constant of GB concrete, where three regression models have been used to present the measurement data from 10 MHz to 6 GHz. The objective is to provide a data set of nominal values of the dielectric constant for ordinary GB concrete. The final goal is to facilitate a compressive strength evaluation via the measured dielectric constant. Measurements of the dielectric constant and compressive strength for five types of ordinary concrete have been undertaken, after 28 days of curing. As the main contribution in this work, the correlation model between the compressive strength and dielectric constant of GB concrete is realized.

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Section: Methods Of Dielectric Constant Measurementmentioning

confidence: 99%

Dielectric Characterization of Chinese Standard Concrete for Compressive Strength Evaluation

Chung

Yuan

et al. 2017

Applied Sciences

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“…3-Solving of the system (10) to find E 11 , E 12 E 21 and E 22 . 4-Determination of the reflection coefficient Γ t for the remaining concentrations from the inversion of equation (10) and then calculation of Y.…”

Section: Calibration Model and Inverse Problemmentioning

confidence: 99%

Microwave Interferometry Based On Open-ended Coaxial Technique for High Sensitivity Liquid Sensing

Bakli

Haddadi

2017

AEM

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This paper describes a modified open-ended coaxial technique for microwave dielectric characterization in liquid media. A calibration model is developed to relate the measured transmission coefficient to the local properties of the sample under test. As a demonstration, the permittivity of different sodium chloride solutions is experimentally determined. Accuracies of 0.17% and 0.19% are obtained respectively for the real and imaginary parts of dielectric permittivity at 5.9 GHz.

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“…7(a). The radiation pattern is measured in a semi-anechoic chamber, and the measured pattern is compared to the simulation conducted with an assumption that the ground is covered by concrete (ε r = 7, σ = 0.08 S/m) [16][17][18], as presented in Fig. 7(b).…”

Section: Proposed Estimation Proceduresmentioning

confidence: 99%

Reading Distance Estimation for Vehicle Rke Systems

Kim¹,

Choo²,

Byun³

2016

PIER C

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Abstract-In this paper, we propose a systematic simulation-based approach to estimate the reading distance of an RKE system. In our electromagnetic (EM) simulation, a receiving RKE antenna and a vehicle structure, including both exterior and interior, are modeled as piece-wise mesh triangles to obtain accurate radiation characteristics of the antenna mounted inside the vehicle. The reading distance is then estimated by a two-ray propagation model that includes effects of space loss, ground properties, and antenna polarizations for various orientations and heights of handheld devices. The estimated distances are compared to the measurement, and results show that the proposed approach is suitable to replace the measurement-based approach with an average error of less than 2 m.

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Design and Calibration of a Large Open-Ended Coaxial Probe for the Measurement of the Dielectric Properties of Concrete

Cited by 66 publications

References 15 publications

Dielectric Characterization of Chinese Standard Concrete for Compressive Strength Evaluation

Dielectric Characterization of Chinese Standard Concrete for Compressive Strength Evaluation

Microwave Interferometry Based On Open-ended Coaxial Technique for High Sensitivity Liquid Sensing

Reading Distance Estimation for Vehicle Rke Systems

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