Acoustic Emission to Predict Failure in a Finger-type Bridge Expansion Joint Model

Abstract

Acoustic Emission (AE), a Nondestructive Testing technique, was used to monitor a very low-cycle load test on a steel and concrete finger-type bridge expansion joint model. Eight specimens were loaded near their ultimate capacity. Two specimens fatigued, and six specimens were forced to fail after a determined number of load-unload cycles. Counts (C) and Counts/Event (C/E) at the maximum load of the cycle were the investigated AE parameters. For six of the eight specimens, C/100 and C/E did not simultaneously attain or exceed values of 20.0 and 33.0, respectively, until failure occurred. It is hoped that with these quantitative results a standard can be established with the aid of future research for the use of AE to evaluate the structural integrity of bridge expansion joints. Recommendations for further research in the area of Acoustic Emission applied to a concrete and steel bridge expansion joint specimen are also presented.

Notes

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Graduation Date

1989

Semester

Spring

Advisor

Jenkins, David R.

Degree

Master of Science (M.S.)

College

College of Engineering

Department

Civil Engineering and Environmental Sciences

Format

PDF

Pages

101 p.

Language

English

Length of Campus-only Access

None

Access Status

Masters Thesis (Open Access)

Identifier

DP0027203

Subjects

Dissertations, Academic -- Engineering; Engineering -- Dissertations, Academic

Accessibility Status

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