Assessment of existing analytical models for the lateral torsional buckling analysis of PVB and SG laminated glass beams via viscoelastic simulations and experiments

C. Bedon, J. Belis, A. Luible

    Research output: Contribution to journalArticleAcademicpeer-review

    44 Citations (Scopus)

    Abstract

    Due to the large increase of structural glass applications, the lateral torsional buckling behavior of glass beams actually represents a topic of great interest for researchers. Although several analytical models and design approaches exist in literature, various aspects complicate the realistic prediction of their typical out-of-plane response, especially if composed of two (or more) laminated glass sheets. Based on viscoelastic numerical results and predictions of a large experimental campaign of lateral torsional buckling tests performed on PVB and SG beams, the paper investigates the accuracy of existing analytical models in the prediction of the elastic critical load and load-lateral displacement path of these elements.

    Original languageEnglish
    Pages (from-to)52-67
    Number of pages16
    JournalEngineering Structures
    Volume60
    DOIs
    Publication statusPublished - Feb 2014

    Keywords

    • Equivalent torsional stiffness
    • Experimental predictions
    • Laminated glass
    • Lateral-torsional buckling
    • Viscoelastic numerical models

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