Road foundation detailing using ground penetrating radar systems with different frequencies

Alani, Amir, Tosti, Fabio ORCID:, Bianchini Ciampoli, Luca and Benedetto, Francesco (2017) Road foundation detailing using ground penetrating radar systems with different frequencies. In: 9th International Workshop on Advanced Ground Penetrating Radar - IWAGPR2017, 28-30 Jun 2017, Edinburgh, UK.

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This paper reports on the assessment of the underground construction details of a road pavement using different frequency ground penetrating radar (GPR) antenna systems. In addition to this, the possible presence and location of an underground watercourse was investigated in this work. The existence of the latter problem was perceived due to reoccurrence of longitudinal and traversal road surface cracking as well as subsidence at a particular location of the road. Reoccurrence of this damage was interpreted and related to the possible existence of an underground watercourse. The original design and the construction of the road were as such to prevent this movement. Therefore it seemed necessary to perform a GPR survey to investigate and confirm the underground construction details of the road. To this purpose, the identified area was surveyed using high to low frequency antennas with 2000 MHz, 900 MHz, 600 MHz and 200 MHz central frequencies of investigation. The results were conclusive in terms of construction details provided and evidence of subsidence within the road identified. The maximum depth of penetration achieved by the use of the 600 MHz and the 200 MHz antennas (maximum of 3 m) did not allow to identify or confirm the existence of any underground watercourse.

Item Type: Conference or Workshop Item (Paper)
ISBN: 9781509054848
Identifier: 10.1109/IWAGPR.2017.7996096
Identifier: 10.1109/IWAGPR.2017.7996096
Additional Information: © 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Keywords: underground consruction details; road pavement; ground penetrating radar (GPR); antenna frequency
Subjects: Construction and engineering > Civil and environmental engineering
Construction and engineering > Digital signal processing
Construction and engineering > Electrical and electronic engineering
Construction and engineering > Built environment
Construction and engineering > Civil and structural engineering
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Depositing User: Fabio Tosti
Date Deposited: 19 Apr 2017 08:59
Last Modified: 28 Aug 2021 07:07


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