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Title: Comparison of techniques for modal analysis of concrete structures
Authors: Ndambi, JM ×
Peeters, Bart
Maeck, Johan
De Visscher, J
Wahab, MA
Vantomme, J
De Roeck, Guido
De Wilde, WP #
Issue Date: Jan-2000
Publisher: Elsevier sci ltd
Series Title: Engineering structures vol:22 issue:9 pages:1159-1166
Abstract: This paper describes different experimental techniques for obtaining modal parameters of structures. Attention is focused on those techniques that may be applicable to in situ concrete structures (e.g. bridges). In a first stage, experiments are made on reinforced concrete beams of 6 meters length. The beams are excited using three types of excitation methods: impact hammer excitation and two different electromagnetic shaker signals: pseudo-random and swept-sine signals. The modal parameters are determined either by performing curve-fitting procedures on series of measured frequency response functions or by applying the stochastic subspace identification technique to the time response signals of the structure. The influence of the non-linear behaviour of the concrete beams is investigated by performing measurements at different excitation amplitudes.
URI: 
ISSN: 0141-0296
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Department of Civil Engineering - miscellaneous
Structural Mechanics Section
× corresponding author
# (joint) last author

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