Perspectives of modern diagnostics of bridge girder connections using elastic waves

Vol. 527 (7) 2016 / sobota, 27 października, 2018

(in Polish)

Rafał Kędra,
Magdalena Rucka

DOI: 10.15199/33.2016.07.12

Volume 527; Issue 7
Pages 35-37

Accepted for publication: 01.06.2016 r.

This article presents results of experimental analyses of elastic wave propagation in a laboratory model of the double-T plate girder splice connection. The possibility of detection of complete loosening of individual fasteners and their groups was examined. The qualitative changes of recorded signals, their influence on the signal energy and the cross-correlation coefficient were analysed. It has been shown, that the elastic waves can be effectively used for damage detection and its evolution.

Keywords: non-destructive testing; wave propagation; bolted joints.
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Rafał Kędra, MSc. Eng. - Gdańsk University of Technology, Faculty of Civil and Environmental Engineering

Magdalena Rucka, Ph. D. MSc. Eng. - Gdańsk University of Technology, Faculty of Civil and Environmental Engineering

Magdalena Rucka, Ph. D., Msc., Eng.

mrucka@pg.gda.pl

Full paper is available at Publisher house SIGMA-NOT Sp. z o.o. webpage

DOI: 10.15199/33.2016.07.12