Laminated glass elements are sandwich structures where the glass presents linear-elastic behavior, whereas the polymer interlayer is, in general, a linear-viscoelastic material. Several analytical models have been proposed since the 1950s to determine the response of laminated glass elements to both frequency and thermal conditions. In this paper, it is proved that Ross, Kerwin, and Ungar's model can be considered as a particular case of the Mead and Markus model when the exponential decay rate per unit length is neglected. The predictions of these models are compared with those obtained from operational modal tests carried out on a laminated glass beam at different temperatures. Finally, a new effective thickness for the dynamic behavior of laminated glass beams, which allows the determination of the dynamic response using a simple monolithic elastic model, is proposed.
Frequency Response of Laminated Glass Elements: Analytical Modeling and Effective Thickness
University of Oviedo,
Zona Oeste, Edificio 7,
Manuscript received August 9, 2012; final manuscript received February 21, 2013; published online April 11, 2013. Editor: Harry Dankowicz.
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Aenlle, M. L., and Pelayo, F. (April 11, 2013). "Frequency Response of Laminated Glass Elements: Analytical Modeling and Effective Thickness." ASME. Appl. Mech. Rev. March 2013; 65(2): 020802. https://doi.org/10.1115/1.4023929
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