Application of Impact-Echo techniques for crack detection and crack parameter estimation in concrete

C. U. Grosse, H. W. Reinhardt, M. Krüger, R. Beutel

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Abstract

Existing instruments designed for measurements involving the Impact-Echo (IE) technique are usually of limited use in field tests when investigating large concrete structures like buildings or tunnels. In 2001 demand for such instruments increased significantly particularly in Germany, as German authorities made quality control tests of state road tunnel constructions mandatory. For this task, it is essential that the equipment used for Impact-Echo measurements along profiles uses the scanning technique and is easy to work. A new concept for impact-echo testing systems is presented. The new device is small and easy to handle, robust and unproblematic regarding transportation. The system utilizes advanced impact generation, measurement, data acquisition, filtering, and visualization techniques. Regarding the software state-of-the-art requirements were implemented for both, scientific applications and field-tests. A new option is the flaw detection and estimation of crack parameters like crack width and depth out of the impact-echo signals. Some first results of in-situ measurements are shown.

Original languageEnglish
Title of host publication11th International Conference on Fracture 2005, ICF11
Pages4884-4889
Number of pages6
Volume7
Publication statusPublished - 1 Dec 2005
Externally publishedYes
Event11th International Conference on Fracture 2005, ICF11 - Turin, Italy
Duration: 20 Mar 200525 Mar 2005

Conference

Conference11th International Conference on Fracture 2005, ICF11
Abbreviated titleICF11
CountryItaly
CityTurin
Period20/03/0525/03/05

Fingerprint

Crack detection
Parameter estimation
crack
Concretes
Cracks
tunnel
Tunnels
concrete structure
data acquisition
quality control
in situ measurement
visualization
Concrete construction
road
Quality control
software
Data acquisition
Visualization
Scanning
Defects

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology

Cite this

Grosse, C. U., Reinhardt, H. W., Krüger, M., & Beutel, R. (2005). Application of Impact-Echo techniques for crack detection and crack parameter estimation in concrete. In 11th International Conference on Fracture 2005, ICF11 (Vol. 7, pp. 4884-4889)

Application of Impact-Echo techniques for crack detection and crack parameter estimation in concrete. / Grosse, C. U.; Reinhardt, H. W.; Krüger, M.; Beutel, R.

11th International Conference on Fracture 2005, ICF11. Vol. 7 2005. p. 4884-4889.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Grosse, CU, Reinhardt, HW, Krüger, M & Beutel, R 2005, Application of Impact-Echo techniques for crack detection and crack parameter estimation in concrete. in 11th International Conference on Fracture 2005, ICF11. vol. 7, pp. 4884-4889, 11th International Conference on Fracture 2005, ICF11, Turin, Italy, 20/03/05.
Grosse CU, Reinhardt HW, Krüger M, Beutel R. Application of Impact-Echo techniques for crack detection and crack parameter estimation in concrete. In 11th International Conference on Fracture 2005, ICF11. Vol. 7. 2005. p. 4884-4889
Grosse, C. U. ; Reinhardt, H. W. ; Krüger, M. ; Beutel, R. / Application of Impact-Echo techniques for crack detection and crack parameter estimation in concrete. 11th International Conference on Fracture 2005, ICF11. Vol. 7 2005. pp. 4884-4889
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