Inspection of concrete-metal rod interface using guided waves

Won Bae Na, Tribikram Kundu, Mohammad R. Ehsani

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

The feasibility of detecting interface degradation and separation of steel rebars in concrete beams using Lamb waves is investigated in this paper. It is shown that Lamb waves can easily detect these defects. A special coupler between the steel rebar and ultrasonic transducers has been used to launch non-axisymmetric guided waves in the steel rebar. This investigation shows that the Lamb wave inspection technique is an efficient and effective tool for health monitoring of reinforced concrete structures because the Lamb wave can propagate a long distance along the reinforcing steel bars embedded in concrete as the guided wave and is sensitive to the interface debonding between the steel rebar and concrete.

Original languageEnglish (US)
Title of host publicationAmerican Society of Mechanical Engineers (Publication) NDE
Pages59-64
Number of pages6
StatePublished - 2000

Fingerprint

Guided electromagnetic wave propagation
Inspection
Surface waves
Concretes
Steel
Metals
Ultrasonic transducers
Debonding
Concrete construction
Reinforced concrete
Health
Degradation
Defects
Monitoring

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

Na, W. B., Kundu, T., & Ehsani, M. R. (2000). Inspection of concrete-metal rod interface using guided waves. In American Society of Mechanical Engineers (Publication) NDE (pp. 59-64)

Inspection of concrete-metal rod interface using guided waves. / Na, Won Bae; Kundu, Tribikram; Ehsani, Mohammad R.

American Society of Mechanical Engineers (Publication) NDE. 2000. p. 59-64.

Research output: Chapter in Book/Report/Conference proceedingChapter

Na, WB, Kundu, T & Ehsani, MR 2000, Inspection of concrete-metal rod interface using guided waves. in American Society of Mechanical Engineers (Publication) NDE. pp. 59-64.
Na WB, Kundu T, Ehsani MR. Inspection of concrete-metal rod interface using guided waves. In American Society of Mechanical Engineers (Publication) NDE. 2000. p. 59-64
Na, Won Bae ; Kundu, Tribikram ; Ehsani, Mohammad R. / Inspection of concrete-metal rod interface using guided waves. American Society of Mechanical Engineers (Publication) NDE. 2000. pp. 59-64
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