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Analysis of Oscillatory Motion of Sin Girders With Semirigid Joints

Analysis of Oscillatory Motion of Sin Girders With Semirigid Joints Abstractn girders with corrugated web, semirigid joints alter damping and vibrational frequency, which indirectly produces a change in the integrated stiffness of girders K, thus diversifying the magnitude of displacement amplitudes of forced vibration [4, 5, 6]. On the basis of investigations relying on the method of vibration measurements, rotational stiffness of semirigid end-plate connections was determined [2, 3]. Using two viscoelastic material models, namely the Voigt–Kelvin and the Hook–Voigt–Kelvin ones, an analysis of oscillatory motion of the eight SIN WTA 500/300×15 girders with semirigid joints at the midspan of concern was made. The pattern of displacement amplitude of forced vibration was analysed. The effect of variation in rotational stiffness of connections Sj on integrated stiffness of girders K and on damping was shown. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Architecture, Civil Engineering, Environment de Gruyter

Analysis of Oscillatory Motion of Sin Girders With Semirigid Joints

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Publisher
de Gruyter
Copyright
© 2016 Witold BASIŃSKI published by Sciendo
eISSN
1899-0142
DOI
10.21307/acee-2016-052
Publisher site
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Abstract

Abstractn girders with corrugated web, semirigid joints alter damping and vibrational frequency, which indirectly produces a change in the integrated stiffness of girders K, thus diversifying the magnitude of displacement amplitudes of forced vibration [4, 5, 6]. On the basis of investigations relying on the method of vibration measurements, rotational stiffness of semirigid end-plate connections was determined [2, 3]. Using two viscoelastic material models, namely the Voigt–Kelvin and the Hook–Voigt–Kelvin ones, an analysis of oscillatory motion of the eight SIN WTA 500/300×15 girders with semirigid joints at the midspan of concern was made. The pattern of displacement amplitude of forced vibration was analysed. The effect of variation in rotational stiffness of connections Sj on integrated stiffness of girders K and on damping was shown.

Journal

Architecture, Civil Engineering, Environment – de Gruyter

Published: Jan 1, 2016

Keywords: Semirigid end-plate connections; SIN-type girders with corrugated web; Viscoelastic material model

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