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fbtwitterlinkedinvimeoflicker grey 14rssslideshare1
Publisher: Elsevier
Languages: English
Types: Article
Subjects: built, computer_science, construction, civil_eng
Ground penetrating radar (GPR) is one of the most promising and effective non-destructive testing techniques (NDTs), particularly for the interpretation of the soil properties. Within the framework of international Agencies dealing with the standardization of NDTs, the American Society for Testing and Materials (ASTM) has published several standard test methods related to GPR, none of which is focused on a detailed analysis of the system performance, particularly in terms of precision and bias of the testing variable under consideration. This work proposes a GPR signal processing methodology, calibrated and validated on the basis of a consistent amount of data collected by means of laboratory-scale tests, to assess the performance of the above standard test methods for GPR systems. The (theoretical) expressions of the bias and variance of the estimation error are here investigated by a reduced Taylor's expansion up to the second order. Therefore, a closed form expression for theoretically tuning the optimal threshold according to a fixed target value of the GPR signal stability is proposed. Finally, the study is extended to GPR systems with different antenna frequencies to analyze the specific relationship between the frequency of investigation, the optimal thresholds, and the signal stability.
  • The results below are discovered through our pilot algorithms. Let us know how we are doing!

    • [1] Annan A. P., GPR-History, Trends, and Future Developments, Subsurface Sensing Technologies and Applications, Vol. 3, No. 4, 2002, 253-270
    • [2] Daniels D.J. 2004. Ground Penetrating Radar. The Institution of Electrical Engineers, London.
    • [3] Benedetto A., Pajewski L. 2015. Civil Engineering Applications of Ground Penetrating Radar. Springer International Publishing. pp. 371. 10.1007/978-3-319-04813-0
    • [4] Jol H., Ground Penetrating Radar Theory and Application, Elsevier, 2008.
    • [5] Tosti F., Pajewski L. 2015. Applications of Radar Systems in Planetary Sciences: An Overview. In. Civil Engineering Applications of Ground Penetrating Radar, Benedetto and Pajewski eds. pp. 361-371.
    • [6] CEI 306-8, Impiego del radar per introspezione del suolo per prospezioni ad opera di posa di servizi ed infrastrutture sotterranee, Comitato Elettrotecnico Italiano, 2004.
    • [7] IDS Spa, Linee Guida - La tecnologia IDS nel settore GEORADAR, IDS Ingegneria Dei Sistemi, 2001.
    • [8] ASI, Linee Guida per indagini geofisiche, Associazione Società di Geofisica, 2012.
    • [9] French Standard NF S70-003-2 (2012): Travaux à proximité des réseaux. Partie 2: techniques de détection sans fouille/Works in the neighborhood of utilities. Part 2: Trenchless techniques of detection.
    • [10] B 10: Merkblatt über das Radarverfahren zur Zerstörungsfreien Prüfung im Bauwesen, Deutsche Gesellschaft für Zerstörungsfreie Prüfung e.V., DGZfP (2008)
    • [11] BASt-report B 55.: Überprüfung des Georadarverfahrens in Kombination mit magnetischen Verfahren zur Zustandsbewertung von Brückenfahrbahnplatten aus Beton mit Belagsaufbau, Bundesanstalt für Straßenwesen (2007)
    • [12] Mara Nord Project.: Recommendations for guidelines for the use of GPR in asphalt air voids content measurement, June 2011
    • [13] Mara Nord Project.: Recommendations for guidelines for the use of GPR in road construction quality control, June 2011
    • [14] Mara Nord Project.: Recommendations for guidelines for the use of GPR in bridge deck surveys, June 2011
    • [15] Mara Nord Project.: The Use of GPR in Road Rehabilitation Projects, June 2011
    • [16] Mara Nord Project.: Recommendations for guidelines for the use of GPR in Site investigations, June 2011
    • [17] ETSI EN 301 489-1 v1.9.2, Electromagnetic compatibility and Radio spectrum Matters (ERM); ElectroMagnetic Compatibility (EMC) standard for radio equipment and services; Part 1: Common technical requirements, Sept. 2011, open access on www.etsi.org, Ref. DEN/ERM-EMC-230-32, 45 pp.
    • [18] ETSI EN 301 489-32 v1.1.1, Electromagnetic compatibility and Radio spectrum Matters (ERM); ElectroMagnetic Compatibility (EMC) standard for radio equipment and services; Part 32: Specific
  • No related research data.
  • Discovered through pilot similarity algorithms. Send us your feedback.

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