Nondestructive Damage Detection Based on Modal Analysis

T. Plachý, M. Polák

Abstract


Three studies of damage identification and localization based on methods using experimentally estimated modal characteristics are presented. The results of an experimental investigation of simple structural elements (three RC-beams and three RC-slabs) obtained in the laboratory are compared with the results obtained on a real structure (a composite bridge – a concrete deck supported by steel girders) in situ. 

Keywords


modal analysis; natural mode; natural frequency; damage detection; MAC; COMAC; service life; fatigue

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ISSN 1210-2709 (Print)
ISSN 1805-2363 (Online)
Published by the Czech Technical University in Prague