Paper Title:
Modal Analysis of a Reinforced Concrete Frame in Various States of Damage
  Abstract

The purpose of this paper is to report selected results of an experiment in which two, natural size r/c frames were put on shaking table and subjected to a sequence of seismic excitations with increasing intensity interlaced with low level, diagnostic tests. The shaking table experiment aimed at working out new methodology for monitoring vibrations of r/c structures to assess their state. Characteristic decrease of natural frequencies and increase of structural damping was observed and analyzed in detail. It was interesting to note 20 per cent drop in natural frequencies prior to visual detection of any cracks.

  Info
Periodical
Key Engineering Materials (Volumes 293-294)
Edited by
W.M. Ostachowicz, J.M. Dulieu-Barton, K.M. Holford, M. Krawczuk and A. Zak
Pages
735-742
DOI
10.4028/www.scientific.net/KEM.293-294.735
Citation
Z. Zembaty, M. Kowalski, "Modal Analysis of a Reinforced Concrete Frame in Various States of Damage ", Key Engineering Materials, Vols. 293-294, pp. 735-742, 2005
Online since
September 2005
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Price
$32.00
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