Communications - Scientific Letters of the University of Zilina 2013, 15(4):18-20 | DOI: 10.26552/com.C.2013.4.18-20

Estimation of Shear Stiffness of Interlayer Connection in Two-Layer Composite Beams Based on Analysis of Natural Frequencies

Zbigniew Perkowski1, Mariusz Czabak1, Karolina Gozarska1
1 Faculty of Civil Engineering, Chair of Physics of Materials, Opole University of Technology, Poland

The paper shows possibilities of testing composite two-layer beams with flexible connectors (like bolts in steel-concrete beams and nails in wooden-concrete ones) offered by analysis of their natural frequencies. It enables an estimation of shear compliance for the interlayer connection if Young's moduli of layers are known thanks to finding the global minimum of function of errors between model and measured natural frequencies of beam. The considerations are illustrated by the results of our own laboratory-tests.

Keywords: composite beam, compliant shear connection, natural frequency, laboratory tests

Published: November 30, 2013  Show citation

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Perkowski, Z., Czabak, M., & Gozarska, K. (2013). Estimation of Shear Stiffness of Interlayer Connection in Two-Layer Composite Beams Based on Analysis of Natural Frequencies. Communications - Scientific Letters of the University of Zilina, 15(4), 18-20. doi: 10.26552/com.C.2013.4.18-20
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    References

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