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Proceedings Article

User-friendly surface wave method for integrity evaluation

[+] Author Affiliations
Soheil Nazarian, Mark R. Baker, Deren Yuan, Kevin Crain

Univ. of Texas/El Paso (USA)

Proc. SPIE 2457, Nondestructive Evaluation of Aging Structures and Dams, 89 (May 12, 1995); doi:10.1117/12.209383
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From Conference Volume 2457

  • Nondestructive Evaluation of Aging Structures and Dams
  • Soheil Nazarian; Larry D. Olson
  • Oakland, CA | June 06, 1995

abstract

The use of the spectral-analysis-of-surface wave (SASW) method is becoming more common as a tool for integrity testing of lifeline and infrastructure components. The method, which is based upon a fundamentally correct theoretical background, can be utilized at several scales. So far, the method has been used in numerous projects dealing with diverse topics from the integrity of dam foundations, to the soundness of concrete slabs, to the suitability of structural members. In this paper, the efforts by the authors towards developing automated procedures at three different scales are described. First, an automated procedure for reducing data for large scale tests (depth of penetration up to 100 m) is presented. In the second section, a new trailer- mounted device, that in less than 40 sec automatically collects and interprets SASW data, is described. Finally, a new hand-held device, that in less than fifteen seconds, collects, reduces, and archives the results over a distance of 15 cm, is presented.

© (1995) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Soheil Nazarian ; Mark R. Baker ; Deren Yuan and Kevin Crain
"User-friendly surface wave method for integrity evaluation", Proc. SPIE 2457, Nondestructive Evaluation of Aging Structures and Dams, 89 (May 12, 1995); doi:10.1117/12.209383; http://dx.doi.org/10.1117/12.209383


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