Theoretical approach to characterize reinforced concrete using stress waves

J. S. Popovics, Joseph Lawrence Rose, A. Pilarski

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

Although advances in nondestructive evaluation of structural concrete have been made, the ultrasonic determination of the placement of steel reinforcement in concrete remains difficult. This is not to say that the accurate determination of such characteristics is not important, however, as the deteriorating infrastructure is a serious national problem. A nondestructive method is needed that can reliably determine steel reinforcing quantity within a concrete structure. After reviewing existing methods, this paper proposes a unique approach to quantify the amount of reinforcing steel in a reinforced concrete element based on wave propagation theory and simple models. The theoretical results demonstrate that comparative L-wave velocity measurements in different directions within a reinforced concrete structure may be an excellent method to determine steel content. The applicability of surface waves for this problem is also discussed.

Original languageEnglish (US)
Title of host publicationMaterials
Subtitle of host publicationPerformance and Prevention of Deficiencies and Failures
PublisherPubl by ASCE
Pages492-504
Number of pages13
ISBN (Print)0872628809
StatePublished - Dec 1 1992
Event1992 Materials Engineering Congress - Atlanta, GA, USA
Duration: Aug 10 1992Aug 12 1992

Publication series

NameMaterials: Performance and Prevention of Deficiencies and Failures

Other

Other1992 Materials Engineering Congress
CityAtlanta, GA, USA
Period8/10/928/12/92

Fingerprint

Reinforced concrete
Steel
Concrete construction
Concretes
Velocity measurement
Surface waves
Wave propagation
Reinforcement
Ultrasonics

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

Popovics, J. S., Rose, J. L., & Pilarski, A. (1992). Theoretical approach to characterize reinforced concrete using stress waves. In Materials: Performance and Prevention of Deficiencies and Failures (pp. 492-504). (Materials: Performance and Prevention of Deficiencies and Failures). Publ by ASCE.
Popovics, J. S. ; Rose, Joseph Lawrence ; Pilarski, A. / Theoretical approach to characterize reinforced concrete using stress waves. Materials: Performance and Prevention of Deficiencies and Failures. Publ by ASCE, 1992. pp. 492-504 (Materials: Performance and Prevention of Deficiencies and Failures).
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Popovics, JS, Rose, JL & Pilarski, A 1992, Theoretical approach to characterize reinforced concrete using stress waves. in Materials: Performance and Prevention of Deficiencies and Failures. Materials: Performance and Prevention of Deficiencies and Failures, Publ by ASCE, pp. 492-504, 1992 Materials Engineering Congress, Atlanta, GA, USA, 8/10/92.

Theoretical approach to characterize reinforced concrete using stress waves. / Popovics, J. S.; Rose, Joseph Lawrence; Pilarski, A.

Materials: Performance and Prevention of Deficiencies and Failures. Publ by ASCE, 1992. p. 492-504 (Materials: Performance and Prevention of Deficiencies and Failures).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - Although advances in nondestructive evaluation of structural concrete have been made, the ultrasonic determination of the placement of steel reinforcement in concrete remains difficult. This is not to say that the accurate determination of such characteristics is not important, however, as the deteriorating infrastructure is a serious national problem. A nondestructive method is needed that can reliably determine steel reinforcing quantity within a concrete structure. After reviewing existing methods, this paper proposes a unique approach to quantify the amount of reinforcing steel in a reinforced concrete element based on wave propagation theory and simple models. The theoretical results demonstrate that comparative L-wave velocity measurements in different directions within a reinforced concrete structure may be an excellent method to determine steel content. The applicability of surface waves for this problem is also discussed.

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Popovics JS, Rose JL, Pilarski A. Theoretical approach to characterize reinforced concrete using stress waves. In Materials: Performance and Prevention of Deficiencies and Failures. Publ by ASCE. 1992. p. 492-504. (Materials: Performance and Prevention of Deficiencies and Failures).