Abstract:
This paper describes an application of the ground penetrating radar (GPR) method for detecting pipe flanges. A case history is described in which GPR was successfully used to locate pipe flanges along an 8 km metal pipeline, using a fixed-offset methodology, from the ground surface. Summaries of numerical simulations and in situ tests, performed before the definitive prospecting to evaluate the feasibility of detection, are included. Typical GPR signals are analysed and several examples shown. Constant-time sections of data volumes and migration are evaluated with the goal of distinguishing flange signals from rock signals in unclear situations. The applied methodology was effective for detecting the pipe flanges in relatively short times, with accuracies below 10 cm in the horizontal direction and 20 cm in the vertical direction. © 2011 Nanjing Geophysical Research Institute.
Registro:
Documento: |
Artículo
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Título: | Pipe-flange detection with GPR |
Autor: | Bonomo, N.; De La Vega, M.; Martinelli, P.; Osella, A. |
Filiación: | Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina
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Palabras clave: | GPR; non-invasive methods; pipe-flange detection; accuracy assessment; computer simulation; detection method; ground penetrating radar; in situ test; rock mechanics; signal processing |
Año: | 2011
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Volumen: | 8
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Número: | 1
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Página de inicio: | 35
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Página de fin: | 45
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DOI: |
http://dx.doi.org/10.1088/1742-2132/8/1/006 |
Título revista: | Journal of Geophysics and Engineering
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Título revista abreviado: | J. Geophys. Eng.
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ISSN: | 17422132
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_17422132_v8_n1_p35_Bonomo |
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Citas:
---------- APA ----------
Bonomo, N., De La Vega, M., Martinelli, P. & Osella, A.
(2011)
. Pipe-flange detection with GPR. Journal of Geophysics and Engineering, 8(1), 35-45.
http://dx.doi.org/10.1088/1742-2132/8/1/006---------- CHICAGO ----------
Bonomo, N., De La Vega, M., Martinelli, P., Osella, A.
"Pipe-flange detection with GPR"
. Journal of Geophysics and Engineering 8, no. 1
(2011) : 35-45.
http://dx.doi.org/10.1088/1742-2132/8/1/006---------- MLA ----------
Bonomo, N., De La Vega, M., Martinelli, P., Osella, A.
"Pipe-flange detection with GPR"
. Journal of Geophysics and Engineering, vol. 8, no. 1, 2011, pp. 35-45.
http://dx.doi.org/10.1088/1742-2132/8/1/006---------- VANCOUVER ----------
Bonomo, N., De La Vega, M., Martinelli, P., Osella, A. Pipe-flange detection with GPR. J. Geophys. Eng. 2011;8(1):35-45.
http://dx.doi.org/10.1088/1742-2132/8/1/006