A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Acoustic Emission Detection and Monitoring of Highway Bridge Components
Over ten thousand highway bridges in the United States reach their fatigue life limits every year. This emphasizes the need for developing an effective method for evaluation of the structural integrity of those structures. The current inspection of highway bridges depends on the visual examination, ultrasonic and occasional radiographic techniques that have shown a low degree of reliability in detecting small cracks. Application of acoustic emission technique was used in the study to characterize the growth of fatigue cracks in bridge components. A number of welded and rolled beams and small specimens were subjected to cyclic loadings in the laboratory. Acoustic emission data were obtained and evaluated in the time and frequency domains. It was concluded that the acoustic emission technique may provide a positive solution to the existing problem of detecting small fatigue cracks in highway bridge structures.
Acoustic Emission Detection and Monitoring of Highway Bridge Components
Over ten thousand highway bridges in the United States reach their fatigue life limits every year. This emphasizes the need for developing an effective method for evaluation of the structural integrity of those structures. The current inspection of highway bridges depends on the visual examination, ultrasonic and occasional radiographic techniques that have shown a low degree of reliability in detecting small cracks. Application of acoustic emission technique was used in the study to characterize the growth of fatigue cracks in bridge components. A number of welded and rolled beams and small specimens were subjected to cyclic loadings in the laboratory. Acoustic emission data were obtained and evaluated in the time and frequency domains. It was concluded that the acoustic emission technique may provide a positive solution to the existing problem of detecting small fatigue cracks in highway bridge structures.
Acoustic Emission Detection and Monitoring of Highway Bridge Components
D. W. Vannoy (author) / A. Ghorbanpoor (author) / E. J. White (author)
1987
269 pages
Report
No indication
English
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