Stress characteristics of a laminated architectural glazing subjected to blast loading

• Published in: Computers & structures Vol. 84; no. 10; pp. 699 - 707
• Main Authors: Wei, Jun, Shetty, Mahesh S., Dharani, Lokeswarappa R.
• Format: Journal Article
• Language: English
• Published: Oxford Elsevier Ltd 01.04.2006; Elsevier Science
• Subjects: Blast loading; Computational techniques; Exact sciences and technology; Fundamental areas of phenomenology (including applications); Laminated glazing; Linear viscoelasticity; Mathematical methods in physics; Nonlinear; Physics; PVB; Solid mechanics; Static elasticity (thermoelasticity...); Structural and continuum mechanics; Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...); Nonlinear; Blast loading; PVB; Linear viscoelasticity; Laminated glazing; Elastic constant; Interfacial layer; Viscoelasticity; Stress analysis; Stratified material; Vibration; Shear modulus; Deformation modulus; Window glazing; Glass; Polymer; Explosions; Modeling; Shell; Blast wave; Non linear effect; Bulk modulus
• ISSN: 0045-7949; 1879-2243
• DOI: 10.1016/j.compstruc.2005.11.007

The dynamic response of a rectangular laminated architectural glazing subjected to blast loading from a bomb explosion on ground is studied. For the sake of computational efficiency, blast loading parameters are formulated using tabular data available in the literature. In the analysis, the glass plies are modeled as linear elastic, while the polymer interlayer is treated as viscoelastic. The results show that the bulk modulus of the interlayer has no effect on the dynamic response of the laminated panel. However, the short-time shear modulus significantly affects the behavior of the panel. Through-the-thickness distribution for stresses and displacements is nearly linear for short-time shear modulus of the interlayer.