Permittivity scanning of asphalt in a transmission configuration across 7–17 GHz employing a phase compensation method

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Permittivity scanning of asphalt in a transmission configuration across 7–17 GHz employing a phase compensation method. / Olkkonen, Martta Kaisa.

In: NDT & E INTERNATIONAL, Vol. 83, 01.10.2016, p. 143-151.

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@article{acc829c734e0469e93b328a69c1e7f34,
title = "Permittivity scanning of asphalt in a transmission configuration across 7–17 GHz employing a phase compensation method",
abstract = "This study aims at providing information about the structure of asphalt pavements by measuring the permittivity profile with small mechanical steps of 5 mm, employing a new computerized scanner that operates across the band 7–17 GHz. Two asphalt samples, a sawn slab and a drill core, are used as demonstration samples. A compensation procedure is proposed in order to reduce the effect of abrupt rotations in the phase due to granularities which are of the order of the wavelength. An average permittivity value was 5.01 for the slab and 5.27 for the drill core. Lower permittivity values relate to a lower air void content determined with a destructive laboratory reference measurement method.",
keywords = "Asphalt, Composite material, Dielectric material characterization, Phase compensation, Scanning",
author = "Olkkonen, {Martta Kaisa}",
year = "2016",
month = "10",
day = "1",
doi = "10.1016/j.ndteint.2016.06.009",
language = "English",
volume = "83",
pages = "143--151",
journal = "NDT & E INTERNATIONAL",
issn = "0963-8695",

}

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TY - JOUR

T1 - Permittivity scanning of asphalt in a transmission configuration across 7–17 GHz employing a phase compensation method

AU - Olkkonen, Martta Kaisa

PY - 2016/10/1

Y1 - 2016/10/1

N2 - This study aims at providing information about the structure of asphalt pavements by measuring the permittivity profile with small mechanical steps of 5 mm, employing a new computerized scanner that operates across the band 7–17 GHz. Two asphalt samples, a sawn slab and a drill core, are used as demonstration samples. A compensation procedure is proposed in order to reduce the effect of abrupt rotations in the phase due to granularities which are of the order of the wavelength. An average permittivity value was 5.01 for the slab and 5.27 for the drill core. Lower permittivity values relate to a lower air void content determined with a destructive laboratory reference measurement method.

AB - This study aims at providing information about the structure of asphalt pavements by measuring the permittivity profile with small mechanical steps of 5 mm, employing a new computerized scanner that operates across the band 7–17 GHz. Two asphalt samples, a sawn slab and a drill core, are used as demonstration samples. A compensation procedure is proposed in order to reduce the effect of abrupt rotations in the phase due to granularities which are of the order of the wavelength. An average permittivity value was 5.01 for the slab and 5.27 for the drill core. Lower permittivity values relate to a lower air void content determined with a destructive laboratory reference measurement method.

KW - Asphalt

KW - Composite material

KW - Dielectric material characterization

KW - Phase compensation

KW - Scanning

UR - http://www.scopus.com/inward/record.url?scp=84978177164&partnerID=8YFLogxK

U2 - 10.1016/j.ndteint.2016.06.009

DO - 10.1016/j.ndteint.2016.06.009

M3 - Article

VL - 83

SP - 143

EP - 151

JO - NDT & E INTERNATIONAL

JF - NDT & E INTERNATIONAL

SN - 0963-8695

ER -

ID: 6737149