Finite element modeling of wave propagation in concrete.

Kennedy, T.C.; Lovejoy, S.C.; Blomberg, J.E.; Oregon State University

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Finite element modeling of wave propagation in concrete.

2008-09-01
By Kennedy, T.C. ; Lovejoy, S.C. ; Blomberg, J.E.

[PDF-677.50 KB]

English

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Creators:

Kennedy, T.C. ; Lovejoy, S.C. ; Blomberg, J.E.

Kennedy, T.C. ; Lovejoy, S.C. ; Blomberg, J.E. Less -
Corporate Creators:

Oregon State University
Corporate Contributors:

United States. Federal Highway Administration
Subject/TRT Terms:

[+]

Acoustic Emission Testing Acoustic Emission Tests Concrete Bridges Concrete Bridges--Oregon--Testing Finite Element Method Mechanical Properties Reinforced Concrete Reinforced Concrete--Mechanical Properties--Mathematical Models Structural Analysis Testing
Publication/ Report Number:

FHWA-OR-RD-09-06
Resource Type:

Tech Report
Geographical Coverage:

Oregon
Edition:

Final report.
Corporate Publisher:

Oregon. Dept. of Transportation. Research Unit
Abstract:

Three reports were produced from research sponsored by the Oregon Department of Transportation on acoustic emission (AE). The first describes the evaluation of AE techniques applied to two reinforced concrete (RC) bridge girders, which were loaded to mimic in-service conditions. The main goal was to get a thorough understanding of how AE methods can be used with RC and in what way these methods can assist in maintaining the state’s aging RC deck girder bridges. Recommended settings for data acquisition and processing were evaluated. In addition to the complex full-scale beam components, studies were performed on smaller test specimens that improved understanding of stress wave propagation through reinforced concrete and the response of acoustic emission sensors in detecting these waves. Some qualitative and quantitative assessment methodologies were described, and examples and limitations of the methods were presented. Source locations in three dimensions were performed, and strategies on how to best deploy sensors were evaluated using Monte Carlo Simulations.
Format:

PDF
Funding:

SPR 633
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:436e17faff6d34ddcd0d03756e3a1009c207bab5f16cb3d9c626628c81964759
Download URL:

https://rosap.ntl.bts.gov/view/dot/21828/dot_21828_DS1.pdf
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Finite element modeling of wave propagation in concrete.

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