Impact-echo thickness frequency profiles for detection of voids in tendon ducts

ACI Structural Journal

Volumn 99, Issue 3, 2002, Pages 239-247

  Abraham, Odile ^a   Côte, Philippe ^a  

^a Invest Lab Ctrl Ponts Chaussees   (France)

Author keywords

Concrete; Duct; Tendon; Test

Indexed keywords

CONCRETE SLABS; DUCTS; FINITE ELEMENT METHOD; GAMMA RADIOGRAPHY; NATURAL FREQUENCIES; NONDESTRUCTIVE EXAMINATION; STRUCTURAL ANALYSIS; X RAY RADIOGRAPHY;

TENDON DUCTS;

CONCRETE CONSTRUCTION;

EID: 0036590203     PISSN: 08893241     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (17)

1. Carino, N. J., "Laboratory Study of Flaw Detection in Concrete by the Pulse Echo Method," In-Situ/Nondestructive Testing of Concrete, SP-82, American Concrete Institute, Farmington Hills, Mich., 1984, pp. 557-579.
2. Carino, N. J.; Sansalone, M.; and Hsu, N., "Flaw Detection in Concrete by Frequency Spectrum Analysis of Impact-Echo Waveforms," International Advances in Nondestructive Testing, V. 12,1986, pp. 117-146.
3. Sansalone, M., and Carino, N. J., "Impact-Echo Method," Concrete International, V. 10, No. 4, Apr. 1988, pp. 38-46.
4. Carino, N. J., and Sansalone, M. J., "Detection of Voids in Grouted Ducts Using the Impact-Echo Method," ACI Materials Journal, V. 89, No. 3, May-June 1992, pp. 296-303.
5. Sansalone, M., and Streett, W. B., Impact-Echo: Nondestructive Testing of Concrete and Masonry, Bulbrier Press, Ithaca, N.Y., 1997, 339 pp.
6. Jaeger, J. B.; Sansalone, M.; and Poston, R. W., "Detecting Voids in Grouted Tendon Ducts in Post-Tensioned Concrete Structures Using Impact-Echo Method," ACI Structural Journal, V. 93, No. 4, July-Aug. 1996, pp. 462-473.
7. Jaeger, J. J.; Sansalone, M. J.; and Poston, R. W., "Using Impact-Echo to Assess Tendon Ducts," Concrete International, V. 19, No. 2, Feb. 1997, pp. 42-46.
8. Martin, J.; Hardy, M. S. A.; Usmani, A. S.; and Forde, M. C., "Quantifying the Defect in Post-Tensioned Bridges Using Impulse Ultrasonics," Proceedings of the 6th International Conference on Structural Fault and Repair, M. C. Forde, ed., Engineering Technics Press, Edinburgh, UK, 1995, pp. 209-216.
9. Martin, J.; Hardy, M. S. A.; Usmani, A. S.; and Forde, M. C., "Impact-Echo Assessment of Post-Tensioned Concrete Bridge Beams," Proceedings of the 7th International Conference on Structural Fault and Repair, M. C. Forde, ed., Engineering Technics Press, Edinburgh, UK, 1997, pp. 341-353.
10. Abraham, O.; Leonard, C.; Côte, P.; and Piwakowski, B., "Time Frequency Analysis of Impact-Echo Signals: Numerical Modeling and Experimental Validation," ACI Materials Journal, V. 97, No. 6, Nov.-Dec. 2000, pp. 645-657.
11. Ghorbanpoor A., "Evaluation of Post-Tensioned Concrete Bridge Structures by the Impact-Echo Technique," Publication No. FHWA-RD-92-096, U.S. Federal Highway Administration, 1993, 92 pp.
12. Humbert, P., "CESAR-LCPC: un Code Général de Calcul par Eléments Finis," Bulletin des Laboratoires des Ponts et Chaussées, 1989, V. 203, pp. 112-115.
13. Ricker, N. H., Transient Waves in Visco-Electric Media, Elsevier Scientific Publishing Co., 1977.
14. Léonard, C.; Piwakowski, B.; Shahrour, I.; Abraham, O.; and Côte, P., "Application of the 'Impact-Echo Method' to the Detection of Underground Cavities-Part I: Theory and Finite Element Modeling," Proceedings of the 4th Meeting of the European Environmental and Engineering Geophysical Society, Barcelona, Spain, Sept. 14-17, A. Casas, ed., Instituto Geográfico Nacional, Spain, 1998, pp. 343-346.
15. Abraham, O.; Côte, P.; Leonard, C.; Piwakowski, B.; and Shahrour, I., "Application of the 'Impact-Echo Method' to the Detection of Underground Cavities-Part II: Field Experiments," Proceedings of the 4th Meeting of the European Environmental and Engineering Geophysical Society, Barcelona, Spain, Sept. 14-17, A. Casas, ed., Institute Geográfico Nacional, Spain, 1998, pp. 347-350.
16. Colla C.; Schneider G.; and Wiggenhauser H., "Automated Impact-Echo and Method Improvement: 2- and 3-D Imaging of Concrete Elements," Proceedings of the 5th International Conference on Non-Destructive Testing for Civil Engineering, Elsevier, 2000, pp. 471-480.
17. Post-Tensioned Concrete Bridges, Anglo-French liaison report, Thomas Telford Publishing, London, 1999, 164 pp.