Engineering Mechanics

Proceedings Vol. 22 (2016)

ENGINEERING MECHANICS 2016

Copyright © 2016 Institute of Thermomechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague

 

Eliášová M., Vokáč M., Machalická K.
pages 154 - 160, full text

Glass is nowadays one of the most progressive materials in civil engineering. It is used not only as a filling material but also as a material for load-bearing structures. Unlike widely-used materials (steel, aluminium, etc.), glass behaves elastically until it breaks by a brittle fracture without any warning. The insufficient tensile strength of float glass is solved by using a tempering process that enables the production of heat-strengthened or heat-toughened glass. However, increased tensile strength is not the only requirement for safe design. Laminated glass panels should be used in the reliable and effective design of glass elements as parts of a load-bearing system. The composite action of laminated glass under loading is influenced mainly by the shear modulus of the interlayers, which is dependent on time and on temperature. This paper presents experimental research performed at the Klokner Institute of CTU in Prague on the material properties of visco-elastic interlayers under various temperatures and under various load rates.

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