Glass is largely used in practice as an innovative structural material in the form of beams or plate elements able to carry loads. Compared to traditional construction materials, the major influencing parameter in the design of structural glass elements – in addition to their high architectural and aesthetic impacts – is given by the well-known brittle behavior and limited tensile resistance of glass. In this chapter, careful attention is paid to the lateral–torsional buckling (LTB) response of glass beams laterally restrained by continuous adhesive joints, as in the case of glass façades or roofs. Closed-form solutions and finite-element numerical approaches are recalled for the estimation of their Euler’s critical buckling moment under various loading conditions. Nonlinear buckling analyses are then critically discussed by taking into account a multitude of mechanical and geometrical aspects. Design recommendations for laterally restrained glass beams in LTB are finally presented.

Mechanical Behavior and Resistance of Structural Glass Beams in Lateral–Torsional Buckling (LTB) with Adhesive Joints

BEDON, CHIARA;
2016

Abstract

Glass is largely used in practice as an innovative structural material in the form of beams or plate elements able to carry loads. Compared to traditional construction materials, the major influencing parameter in the design of structural glass elements – in addition to their high architectural and aesthetic impacts – is given by the well-known brittle behavior and limited tensile resistance of glass. In this chapter, careful attention is paid to the lateral–torsional buckling (LTB) response of glass beams laterally restrained by continuous adhesive joints, as in the case of glass façades or roofs. Closed-form solutions and finite-element numerical approaches are recalled for the estimation of their Euler’s critical buckling moment under various loading conditions. Nonlinear buckling analyses are then critically discussed by taking into account a multitude of mechanical and geometrical aspects. Design recommendations for laterally restrained glass beams in LTB are finally presented.
978-1-119-24246-8
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11368/2878023
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