NDTnet - April 1997, Vol.2 No.04

Towards SAFT-Imaging in Ultrasonic Inspection of Concrete

M. Schickert (Martin.Schickert@mfpa.de), Materialforschungs- und prüfanstalt (MFPA) at HAB, Weimar (D)

Keywords: Concrete, Defect, Imaging, Reconstruction, SAFT, Ultrasound
This paper was presented at the International Symposium Non-DestructiveTesting in Civil Engineering (NDT-CE) 26.-28.09.1995 in Berlin. NDT-CE, Full Program or the Ultrasound Part


Summary

Propagation properties of ultrasonic waves in concrete

Why using SAFT?

SAFT implementation

Experimental setup

Results of measurements

Concluding remarks

Literature

  1. Krause M.; Bärmann R.; Frielinghaus R.; Kretzschmar F.; Kroggel O.; Langenberg K.; Maierhofer C.; Müller W.; Neisecke J.; Schickert M.; Schmitz V.; Wiggenhauser H.; Wollbold F.: "Comparison of Pulse-Echo-Methods for Concrete". In: Proceedings of the International Symposium Non-Destructive Testing in Civil Engineering (NDT-CE), Berlin, September 26-28, 1995; Berlin: DGZfP, 1995 (these proceedings)
  2. Doctor, S.R.; Hall, T.E.; Reid, L.D.: "SAFT - the Evolution of a Signal Processing Technology for Ultrasonic Testing". NDT International 19 (1986) 163 - 167
  3. Schickert, M.: "Einfluß der frequenzabhängigen Schallschwächung auf die Ultraschall-Laufzeitmessung an mineralischen Stoffen". In: DGZfP-Jahrestagung 1994 Zerstörungsfreie Materialprüfung, Timmendorfer Strand, May 9-11, 1994; Berlin: DGZfP 1995, 479 - 485
  4. Mayer, K.; Marklein, R.; Langenberg, K.J.; Kreutter, T.: "Three-dimensional imaging system based on Fourier Transform Synthetic Aperture Focusing Technique". Ultrasonics 28 (1990) 241 - 255

Author:

Martin Schickert
MFPA Weimar
Amalienstr. 13
99423 Weimar Germany
Tel. +49/3643/564-362
Email: Martin.Schickert@mfpa.de |Top to this page|
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