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Acoustic Scanning of Damaged Pipelines in Soil

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Journal of Applied Mechanics and Technical Physics Aims and scope

Abstract

The dynamics of a pulsed signal propagating in an underground pipeline with a damaged section is investigated. Pressure waves propagating in a linear pipeline filled with a fluid are considered. Due to viscous friction and thermal conductivity, dissipation is taken into account in a thin liquid or gas layer near the wall. It is assumed that the damaged pipeline section is a reflecting surface. Conditions on this surfaces are obtained under the assumption that the rate of liquid leakage during wave propagation through the damaged section is determined by the permeability of the soil. It is shown that in weakly permeable soils, signals do not provide full information on damage, and in well-permeable soils, only short (high-frequency) pulsed signals can be used to detect damage.

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Authors and Affiliations

  1. Mavlyutov Institute of Mechanics, Ufa Federal Research Center, Russian Academy of Sciences, Ufa, 450054, Russia

    V. Sh. Shagapov

  2. Ufa State Petroleum Technological University, Ufa, 450062, Russia

    E. V. Galiakbarova & Z. R. Khakimova

  3. Sterlitamak Branch of the Bashkir State University, Sterlitamak, 453103, Russia

    I. G. Khusainov

Authors
  1. V. Sh. Shagapov
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  2. E. V. Galiakbarova
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  3. I. G. Khusainov
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  4. Z. R. Khakimova
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Corresponding author

Correspondence to V. Sh. Shagapov.

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Original Russian Text © V.Sh. Shagapov, E.V. Galiakbarova, I.G. Khusainov, Z.R. Khakimova.

Translated from Prikladnaya Mekhanika i Tekhnicheskaya Fizika, Vol. 59, No. 4, pp. 169–178, July–August, 2018.

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Shagapov, V.S., Galiakbarova, E.V., Khusainov, I.G. et al. Acoustic Scanning of Damaged Pipelines in Soil. J Appl Mech Tech Phy 59, 724–732 (2018). https://doi.org/10.1134/S002189441804020X

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  • DOI: https://doi.org/10.1134/S002189441804020X

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