Novel Method for the Detection of Onset of Delamination in Reinforced Concrete Bridge Decks

E. Garcia, Ece Erdogmus, M. Schuller, D. Harvey

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

This paper presents a discussion and the experimental proof-of-concept results of a novel ultrasonic testing (UT) method to identify the onset of delamination in reinforced concrete bridge decks. The novel UT method aims to provide a system that can be used to monitor and diagnose problems with the steel reinforcement, the steel reinforcement-concrete interface, and the concrete with a single approach. The method utilizes simple-to-interpret energy-based measurements and demonstrates the potential to examine large areas relative to most conventional nondestructive testing methods used for bridge decks. The proposed UT method monitors the leaked energy from a waveguide (steel reinforcing bar) to identify the type, onset, and location of deterioration in reinforced concrete. The proof-of-concept results presented in this paper illustrate the method's ability to identify the onset of delamination (i.e., cracks) with widths less than 0.2 mm (0.008 in.) and its sensitivity to early stage corrosion. This paper also presents the summary of an in-depth review of literature on the status of commercial and research-based ultrasonic testing applications for reinforced concrete.

Original languageEnglish (US)
Article number04017102
JournalJournal of Performance of Constructed Facilities
Volume31
Issue number6
DOIs
StatePublished - Jan 1 2017

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Ultrasonic testing
Bridge decks
Concrete bridges
Delamination
Reinforced concrete
Steel
Concrete reinforcements
Nondestructive examination
Deterioration
Reinforcement
Waveguides
Concretes
Corrosion
Cracks

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Safety, Risk, Reliability and Quality

Cite this

Novel Method for the Detection of Onset of Delamination in Reinforced Concrete Bridge Decks. / Garcia, E.; Erdogmus, Ece; Schuller, M.; Harvey, D.

In: Journal of Performance of Constructed Facilities, Vol. 31, No. 6, 04017102, 01.01.2017.

Research output: Contribution to journalArticle

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