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Non-contact surface wave scanning of pavements using a rolling microphone array

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Author

Summary, in English

We present experiments with a rolling multichannel microphone array where measurements can be taken continuously while moving. Leaky air-coupled surface waves are measured with ordinary non-directional audio microphones. Results show that microphones can be successfully used to produce a realistic phase velocity spectrum even while moving along the surface. The paper presents some theoretical background along with initial experimental results using the moving microphone array.

Publishing year

2008

Language

English

Pages

1328-1332

Publication/Series

Review of Progress in Quantitative Nondestructive Evaluation, vol 27A and 27B

Volume

975

Document type

Conference paper

Publisher

American Institute of Physics (AIP)

Topic

  • Geotechnical Engineering

Keywords

  • microphones
  • non-contact
  • pavement
  • surface waves
  • lamb waves

Conference name

34th Annual Review of Progress in Quantitative Nondestructive Evaluation

Conference date

2007-07-22 - 2007-07-27

Conference place

Golden, Co, United States

Status

Published

ISBN/ISSN/Other

  • ISSN: 1551-7616
  • ISSN: 0094-243X