Laminated glass-steel-beams bonded together with a transparent acrylate adhesive can improve the post-breakage performance. One result of the short-term tests is the higher capacity of the hybrid beams compared to conventional laminated glass. Another conclusion is the post-breakage behaviour of the beams, which highly depends on the thermal pre-stressing used glazing. Annealed glass beams are able to bear higher loads after failure while fully tempered glass shows almost no post-breakage behaviour. Much more surprising are the results of the long-term research investigation. Several hours after the breaking of the glass the deformation of the bonding joint was observed. This behaviour led to independent deformations of the single materials glass and steel of the hybrid beam. Their deformation curve is directly influenced by the load bearing capacity of the component materials. The compensating function of the acrylate adhesion will be given in the paper.
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