Evaluation of radar and complementary echo methods for NDT of concrete elements

Journal of Nondestructive Evaluation

Volumn 27, Issue 1-3, 2008, Pages 47-57

  Maierhofer, Christiane ^a   Zacher, Gerhard ^a   Kohl, Christoph ^a   Wöstmann, Jens ^a  

^a BAM FEDERAL INSTITUTE FOR MATERIALS RESEARCH AND TESTING   (Germany)

Author keywords

Bridges; Concrete; Data fusion; Evidence theory; Pixel level; Pores; Radar; Reinforcement; Steel fibres; Ultrasonic

Indexed keywords

CONCRETE; DATA FUSION; EVIDENCE THEORY; PIXEL LEVEL; PORES; REINFORCEMENT; STEEL FIBRES; ULTRASONIC;

BRIDGES; CIVIL ENGINEERING; CONCRETE CONSTRUCTION; CONCRETE MIXERS; CONCRETE TESTING; FUSION REACTIONS; INFORMATION FUSION; NONDESTRUCTIVE EXAMINATION; PROJECT MANAGEMENT; RADAR; SHOTCRETING; ULTRASONICS;

RADAR MEASUREMENT;

EID: 53649111456     PISSN: 01959298     EISSN: 15734862     Source Type: Journal    
DOI: 10.1007/s10921-008-0030-8     Document Type: Article

References (25)

1. Maierhofer, Ch., Krause, M., Niederleithinger, E., Wiggenhauser, H.: Non-destructive testing methods at BAM for damage assessment and quality assurance in civil engineering. In: DGZfP (ed.) International Symposium Non-Destructive Testing in Civil Engineering (NDT-CE), Berlin, September 16-19 2003. Proceedings on BB 85-CD, V68, Berlin (2003)
2. Maierhofer, Ch.: Non-destructive evaluation of civil infrastructure with ground penetrating radar. J. Mater. Civ. Eng. 15 (3), 287-297 (2003)
3. Krause, M., Milmann, B., Schickert, M., Mayer, K.: Investigation of tendon ducts by means of ultrasonic echo methods: A comparative study. In: Proceedings of the 9th European Conference on NDT, September 25-29, Berlin: DGZfP, BB 103-CD, Tu.3.2.1 (2006)
4. Reinhardt, H.-W., et al.: Echo-Verfahren in der zerstörungsfreien Zustandsuntersuchung von Betonbauteilen. In: Bergmeister, K., Wörner, J.-D. (eds.) BetonKalender 2007, Verkehrsbauten - Flächentragwerke, pp. 479-595. Ernst & Sohn, Berlin (2007). Kapitel V, Bd. 1
5. http://www.for384.uni-stuttgart.de/
6. Maierhofer, Ch., Wöstmann, J., Kohl, Ch.: Strukturuntersuchung von Betonbauteilen mit Radar. In: Bergmeister, K., Wörner, J.-D. (eds.) BetonKalender 2007, Verkehrsbauten-Fl chentragwerke, pp. 512-518. Ernst & Sohn, Berlin (2007). Bd. 1, Kapitel V Echoverfahren in der zerstörungsfreien Zustandsuntersuchung von Betonbauteilen, Absch. 5
7. Maierhofer, Ch., Kind, Th.: Application of georadar for the determination of moisture content and distribution of masonry. In: Binda, L., de Vekey, R.C. (eds.) Proceedings of RILEM TC 177-MDT Workshop on On-Site Control and Evaluation of Masonry Structures, pp. 227-238 (2003) pp. 227-238 (2003)
8. Maierhofer, Ch., Wöstmann, J.: Investigation of dielectric properties of brick materials as a function of moisture and salt content using a microwave impulse technique at very high frequencies. NDT E Int. 31 (4), 259-263 (1998)
9. Tsui, F., Matthews, S.L.: Analytical modelling of the dielectric properties of concrete for subsurface radar applications. Constr. Build. Mater. 11 (3), 149-161 (1997)
10. Kohl, Ch., Streicher, D.: Results of reconstruction and fused NDT-data measured in the laboratory and on-site at bridges. Cem. Concr. Compos. 28 (4), 402-413 (2006)
11. Gros, X.E.: NDT Data Fusion. Wiley, New York (1997). 205 pp.
12. Francois, N.: A new advanced multitechnique data fusion algorithm for NDT. In: Proceedings of the 15 th WCNDT, Roma (2000). http://www.ndt.net/ article/wcndt00/papers/idn316/idn316.htm
13. Daniels, D.J.: Ground-Penetrating Radar, 2nd edn. The Institution of Electrical Engineers, London (2004)
14. Robinson, D.A.: Measurement of the solid dielectric permittivity of clay minerals and granular samples using a time domain reflectometry immersion method. Vadose Zone J. 3 (2), 705-713 (2004)
15. Krause, M., Maierhofer, C., Wiggenhauser, H.: Thickness measurement of concrete elements using radar and ultrasonic impulse echo techniques. In: Forde, M.C. (ed.) 6th International Conference on Structural Faults and Repair, London, UK, July 1995, vol. 1, pp. 17-24. Engineering Technics Press, Edinburgh (1995)
16. Afshari, A., Frazer, D., Creese, R.: Ultrasonic techniques for the bonding of rebar in concrete structures. In: Hartbower, P. (ed.) Structural Materials Technology-An NDT Conference, San Diego, USA, Februar 1996, pp. 3-8. Technomic, Lancaster, Basel (1996)
17. Krause, M., Mielentz, F., Milmann, B., Streicher, D., Müller, W.: Ultrasonic imaging of concrete lements: State of the art using 2D synthetic aperture. In: DGZfP (ed.) International Symposium Non-Destructive Testing in Civil Engineering (NDT-CE), Berlin, Germany, September 16-19 2003. Proceedings on BB 85-CD, V51, Berlin (2003)
18. Hevin, G., Abraham, O., Pedersen, H.A., Campillo, M.: Characterisation of surface cracks with Rayleigh waves: A numerical model. NDT E Int. 31, 289-297 (1998)
19. Krause, M., Mielentz, F., Milmann, B., Müller, W., Schmitz, V.: Imaging of cracks and honeycombing in concrete elements. In: Arnold, W., Hirsekorn, S. (eds.) Proceedings of 27th International Acoustical Imaging Symposium, Saarbrücken, Germany, 24-27 March 2003, pp. 129-137. Kluwer Academic/Plenum, Dordrecht/New York (2004)
20. Krause, M., Streicher, D., Wiggenhauser, H., Haardt, P., Holst, R.: Non-destructive testing of a post tensioned concrete bridge applying an automated measuring system. In: Proc. Structural Materials Technology (SMT), NDE/NDT for Highways and Bridges 2004, Buffalo, NY, USA, September 14-17, pp. 488-495 (2004)
21. Kohl, Ch., Krause, M., Maierhofer, Ch., Wöstmann, J., Wiggenhauser, H., Mayer, K.: 3D-visualisation of NDT-data using data fusion technique (E 159). In: DGZfP (ed.) International Symposium Non-Destructive Testing in Civil Engineering (NDT-CE), Berlin, Germany, September 16-19 2003. Proceedings on BB 85-CD, V23, Berlin (2003)
22. Schmitz, V., Chakhlov, S., Müller, W.: Synthetic aperture focusing technique - state of the art. In: Bièth, M., Monjaret, J.L. (eds.) First International Conference on NDE in Relation to Structural Integrity for Nuclear and Pressurised Components, Amsterdam, Netherlands, October 1998, pp. 488-494. Woodhead Publishing, Cambridge (1999)
23. Mayer, K., Marklein, R., Langenberg, K.J., Kreuter, T.: Three-dimensional imaging system based on Fourier transformation synthetic aperture focusing technique. Ultrasonics 28, 241-255 (1990)
24. Schickert, M., Krause, M., Müller, W.: Ultrasonic imaging of concrete elements using reconstruction by synthetic aperture focusing technique. J. Mater. Civ. Eng. 15 (3), 235-246 (2003)
25. Stolt, R.H.: Migration by Fourier transform. Geophysics 43 (1), 23-48 (1978)