Propagation time of elastic surface waves on concrete specimens under uniaxial loads

Andreas Zoëga, Parisa Shokouhi, Herbert Wiggenhauser

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The stress-dependency of the elastic surface-wave velocity in concrete was investigated in an experimental study carried out in BAM laboratories. The surface waves of frequencies well below the ultrasonic range were measured in these experiments. Velocities were measured at different load levels along different directions relative to the direction of the applied uniaxial load. It was observed that surface-wave velocity exhibits strong stress-dependency. Furthermore, stress-dependency of surface-wave velocity was found to be direction-dependent Finally, the changes in surface-wave velocity also showed memory effects. In other words, the effects also depend on the maximum load in the loading history of the material. The influence of several parameters on the experimental results are investigated and reported here. The outcome of the experiments along with the details concerning the experimental setup and procedure are described in this paper.

Original languageEnglish (US)
Pages (from-to)11-15
Number of pages5
JournalJournal of Structural Engineering (Madras)
Volume36
Issue number1
StatePublished - Apr 1 2009

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Elastic waves
Surface waves
Wave propagation
Loads (forces)
Concretes
Ultrasonics
Experiments
Data storage equipment

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Building and Construction
  • Mechanical Engineering

Cite this

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Propagation time of elastic surface waves on concrete specimens under uniaxial loads. / Zoëga, Andreas; Shokouhi, Parisa; Wiggenhauser, Herbert.

In: Journal of Structural Engineering (Madras), Vol. 36, No. 1, 01.04.2009, p. 11-15.

Research output: Contribution to journalArticle

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